N54Tech.com - International Turbo Racing Discussion
(#1)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default Log Review - 08-17-2019, 08:51 PM

2009 335i xdrive auto (no tcu flash yet, but very soon) 80k miles

Shell v-power 92 Octane

2 injectors were bad (mix of index 7 and 9), and just put in a full set of index 12 today. New set of Bosch Double Platinum 1 step colder plugs gapped at .025 put in today as well. (Installed at 80k)

new waterpump, LPFP, and alternator installed 70k

(everything below installed around 35k miles)
jb4 running version 32/12//2 Map 5
6-Cyl timing doesn't seem enabled. I have been using I8A0S. (anyone know the right one for a 09/2009 335 n54?)
Stett charge pipe, BOV, DCI
7" FMIC


Outside temp: 72F
Humidity: 35ish%

It was hard to get a solid 3rd gear pull, but I have 2 here up towards 6k rpm. I think heatsoak started to set in as boost seemed to get a bit lower as the pulls kept going. Probably did 20-25 pulls total trying to get some solid ones in, and the 3rd gear logs are around the 20ish range.

The 2nd gear pull was an accident, but at least that one goes through most the rpm range (and was around the 5th pull total). This one shows boost hitting pretty steady in the 15s.

If these logs are no good due to 6cyl timing missing, please let me know, and which logging to use.

tia
Attached Files
File Type: csv 2ndGear-2019-08-17 16_53_14_Map-5.csv (17.2 KB, 58 views)
File Type: csv 3rdGear-2019-08-17 16_54_33_Map-5.csv (19.3 KB, 68 views)
File Type: csv 3rdGear-2019-08-17 17_20_43_Map-5.csv (6.4 KB, 60 views)
Reply With Quote
(#2)
Old
Haynpunch's Avatar
Haynpunch Haynpunch is offline
Senior Member
 
Posts: 585
Join Date: Jun 2017
Car: 07 E90 335i
Default 08-18-2019, 01:46 PM

Quote:
Originally Posted by HyTeK

If these logs are no good due to 6cyl timing missing, please let me know, and which logging to use.

tia
try 5=IJE0S instead of 4=I8A0S


07 E90 AT - xHP
JB4 G5 - Trebila BEF
FBO
Hybrids
Reply With Quote
(#3)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 08-19-2019, 11:50 AM

This ^

Really try to log in 3rd too, i know it can be difficult- just be safe


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#4)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 08-20-2019, 05:47 PM

Thanks, I'll swap to #5 and try for a 3rd gear run tomorrow. Anyone able to tell if the LFPF is able to keep up from the current logs? It's brand new, but something seems a bit off. Have a feeling it may be the LPFP.

Anyways, I'll upload when I can get a solid 3rd gear pull.

Cheers.
Reply With Quote
(#5)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 08-21-2019, 11:24 AM

FP_L values all look healthy


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#6)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 08-23-2019, 04:33 PM

Okay. Finally got "decent" runs in. Still couldn't hit redline, but at least 5600, 6300, and 6600, all 3rd gear pulls.

The two logs with the word at the end: bog, those are the pulls where it felt like the fuel pump was dying on me, but it recovered and kept pulling. I guess to compare the feeling when it was happening: when you have a bad plug, and it misfires constantly, and you try to do a map 2 3rd gear pull. It felt like that for just a few, and then kept going like normal. It doesn't happen very often, but it does maybe every couple of days. Hopefully these two bog logs will show something that I am not seeing.

The third log is a good solid 3rd gear pull where everything felt right and tight.

Thanks.
Reply With Quote
(#7)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 08-26-2019, 08:39 AM

Don't see anything that is jumping out fuel pressure wise...

One thing that may help the overall performance / smoothness of the car would be utilizing our BEF


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#8)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 08-26-2019, 10:17 AM

Thanks, Dave. Glad to see everything appears to be in good working order. Hopefully the BEF will solve those random bog downs.

I have an Android with MHD setup, connection tested, and ready to go. Will have to wait until we are done moving this week before I can do the BEF.

Just to confirm for when I do get to flashing:
1. Use MHD (per this link)
2. Change JB4 to map 0, and make sure I get the correct car version
3. Purchase custom map in MHD, and use the 02/07/19 Map Release BEF
4. Change jb4 to BEF compatibility

(side note: I will also be doing the tranny flash during this time as well.)

Thanks again for the review. After the move and I get the flashes done, I'll post one last log to close this out.
Reply With Quote
(#9)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 08-26-2019, 10:19 AM

Quote:
Originally Posted by HyTeK
Thanks, Dave. Glad to see everything appears to be in good working order. Hopefully the BEF will solve those random bog downs.

I have an Android with MHD setup, connection tested, and ready to go. Will have to wait until we are done moving this week before I can do the BEF.

Just to confirm for when I do get to flashing:
1. Use MHD (per this link)
2. Change JB4 to map 0, and make sure I get the correct car version
3. Purchase custom map in MHD, and use the 02/07/19 Map Release BEF
4. Change jb4 to BEF compatibility

(side note: I will also be doing the tranny flash during this time as well.)

Thanks again for the review. After the move and I get the flashes done, I'll post one last log to close this out.
Dont need to purchase anything off MHD- SAVE YOUR $$$ ; )

You can download the appropriate & most up to date BEF here (BEF templates): N54 BimmerBoost MHD Back End Flash Maps - N54Tech.com - International Turbo Racing Discussion

After flash- set jb4 on your tach to 4/2- and throw up a log of map 1 or 2 for us to review


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#10)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 09-12-2019, 07:27 AM

Finally got moved, and been testing stuff on the car.

1. BEF made the car run slow/sluggish. Flash was successful, selected the JB4_IJE0S_PUMP_USA.bin (running Shell vPower 92), everything looked good flash and settings wise, but the car felt all wrong. I checked that the jb4 menu 4/2 was saved. Question: When selecting to menu 4, it should automatically go to 2 if it was saved correctly? Before changing it was 4/4 (or 4/5. What is it suppose to be by default with no BEF?). With the BEF I had it set to 4/2 (providing I saved it correctly. I normally don't use the steering controls). Is there a way to see/set this setting in the jb4 PC app? or jb4 mobile? Either way, it felt like the turbos were disabled, and that power was around stock levels, or a little less (not as bad as limp mode, but similar feeling). Any ideas on this?

2. I now have the xHP stage 2 TCU flash, and I am happy with the shifting behavior now. Much improved.

3. The attached logs are both Map 5. The bog I experience happened during one of these two pulls (bog in the name). It wasn't as boggish as before, but still noticeable.

4. The normal log was a good pull, near redline, but what concerns me after looking at the log is the boost spike after the pull. I don't remember the car sounding or doing anything out of the normal. I let off the gas, and shifted to 4th as normal, BOV let out the pressure as normal.

5. Last thing to add on top of all of this. I got for the first time 30FC: Exhaust fume turbo charger, density. Not sure what this means. I've also had the car go into limp mode twice, with no codes displayed on the jb4, and the map stayed on 5. I have never seen this happen either.

Anyways. Please let me know your thoughts on some of this if you can, and what the logs look like. I'd really like to try and get the BEF sorted out for future changes.
Attached Files
File Type: csv 2019-09-12 06_32_38_Map-5.csv (16.8 KB, 48 views)
File Type: csv 2019-09-12 06_34_02_Map-5-bog.csv (8.1 KB, 43 views)
Reply With Quote
(#11)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 09-12-2019, 01:21 PM

Outside of some timing corrections, this log does not look to obad.

Based on your boost profile, you do look to be in 4/2 mode - so all good there.

Having the jb4 in the wrong tach setting will make it feel "disabled"

Clear the codes and see what comes back


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#12)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 09-16-2019, 11:13 AM

I’ll see if I can get the BEF reflashed, and redo the logs. Thanks a ton.
Reply With Quote
(#13)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 09-16-2019, 12:46 PM

Quote:
Originally Posted by HyTeK
Iíll see if I can get the BEF reflashed, and redo the logs. Thanks a ton.


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#14)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 11-03-2019, 06:54 PM

Been awhile since I've been able to get back to do the BEF again. One of my Hi-Perf coils started going bad on my cyl-1.

Now that I had time this weekend, I was able to do the BEF, swap out the coil, and tweak a little.

Attached is the log with the following:

JB4: Map 5
User Options:
Boost Failsafe: 18.0
Default WG Pos: 55
PID Gain: 25
Auto Shift Redux: 25
FF/WG Adaption: 108
Fuel Open Loop: 90
Everything Else: 0 or default
Wheel Option 4: Set to 2
MHD BEF: JB4_IJE0S_PUMP_USA
Options:
OEM/Catted checked. (haven't put the non-catted on yet )
Coolant: Sport Mode
Kickdown: Deactivated
xDelete: 25%

Something seems off still. The stock back-end seems to pull a lot harder. With the JB4 BEF, it builds boost, but it just seems to not pull as hard.

Anyways, if you don't mind, let me know how this log is looking.

Thanks.
Attached Files
File Type: csv 2019-11-03 17_03_42_Map-5.csv (17.1 KB, 39 views)
Reply With Quote
(#15)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 11-04-2019, 06:36 AM

In general this looks relatively clea

Some cyl noise on 5/6- but not alarming.

Same fuel?


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
(#16)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 11-05-2019, 08:18 PM

Yes. Shell V-Power (92/93) is the only stuff that’s been in the tank for at least 4-5 years now.

I am wondering if what you are seeing on 5/6 are those coils starting to go bad. I think the whole set of HP coils I put on 2-3 years ago are going bad. Which thinking more about it, I started having issues with the coils shortly after I put the Bosch -1 colder plugs in.

Hmmmmm. Well, thank you very much for the log check. I think I will get a new set of coils as they aren’t too terribly expensive, and the ones I’ve had on there for 2-3 years seem to be flaking out. (Or completely going bad like last week).

Unless my thinking is way way off, I’ll consider this thread done for now until I get some new coils in. Thanks.
Reply With Quote
(#17)
Old
Bbelstad's Avatar
Bbelstad Bbelstad is offline
Junior Member
 
Posts: 245
Join Date: Sep 2019
Car: 08 E60 535i
Default Me too!! - 11-05-2019, 11:33 PM

Quote:
Originally Posted by HyTeK
Finally got moved, and been testing stuff on the car.

1. BEF made the car run slow/sluggish. Flash was successful, selected the JB4_IJE0S_PUMP_USA.bin (running Shell vPower 92), everything looked good flash and settings wise, but the car felt all wrong. I checked that the jb4 menu 4/2 was saved. Question: When selecting to menu 4, it should automatically go to 2 if it was saved correctly? Before changing it was 4/4 (or 4/5. What is it suppose to be by default with no BEF?). With the BEF I had it set to 4/2 (providing I saved it correctly. I normally don't use the steering controls). Is there a way to see/set this setting in the jb4 PC app? or jb4 mobile? Either way, it felt like the turbos were disabled, and that power was around stock levels, or a little less (not as bad as limp mode, but similar feeling). Any ideas on this?

2. I now have the xHP stage 2 TCU flash, and I am happy with the shifting behavior now. Much improved.

3. The attached logs are both Map 5. The bog I experience happened during one of these two pulls (bog in the name). It wasn't as boggish as before, but still noticeable.

4. The normal log was a good pull, near redline, but what concerns me after looking at the log is the boost spike after the pull. I don't remember the car sounding or doing anything out of the normal. I let off the gas, and shifted to 4th as normal, BOV let out the pressure as normal.

5. Last thing to add on top of all of this. I got for the first time 30FC: Exhaust fume turbo charger, density. Not sure what this means. I've also had the car go into limp mode twice, with no codes displayed on the jb4, and the map stayed on 5. I have never seen this happen either.

Anyways. Please let me know your thoughts on some of this if you can, and what the logs look like. I'd really like to try and get the BEF sorted out for future changes.

Hows it goin? I am curious how the tuning is going for you as I loaded the same BEF file as you and am now immediately afterwards having issues. Rough idle, feels slower, not as snappy as no BEF, etc. Was ok prior to flashing though. Like you said, even on menu 4/2 with BEF enabled, it feels like a non turbo car with lackluster boost, if you can even feel the swell that is.

I'm hoping something is found that will remedy the issue as I have also read so many people's posts about once they did the BEF the car was great!! Not for me though. Dave has been having me make changes and am hopeful but it's just a night and day difference at this point. Glad there's a someone like him with the knowledge helping or I would be screwed.

If you find anything that can be done to get back to the good side, please share it as I would guess it would help more than just you and I. Although, I do have bad luck normally and maybe this thing is just going to take more tuning than most to get it better than where it was before I installed the BEF.


Lastly, I think my car had XHP prior to me re-flashing it, but didn't know about it until now that I feel it's missing the snappy shifts, etc. (I had a complete wipe of my DME, so if it was there, it isn't now and there's no back up file available, don't ask lol.) If I were to reinstall it, pay for the license, etc, do I need to remove the JB4 to install it as many say? Or, do I just set the JB4 during install to map 0 and deactivate it (like many people say is fine also lol). Not sure what's really best and/or safest.

Thanks

Brandon


Brandon
Hayden, Idaho.

* 08' 535I. * JB4 W/ Bluetooth Connect & custom tune. * Billy Boat 535I 3.5" *****-back exhaust W/ resonator delete. * BMS DCI. * NGK 2 step colder plugs @ .020" (And I mean .020" on money!). * New Eldor coils. * BMS BOV adapter and BMS Vac side OCC. * BMS Chargepipe. * TIAL BOV W/ Hard 1/4" Vacuum line W/stock spring. * XHP Stage 2 * C-@-T TUBES.





[/SIGPIC]
Reply With Quote
(#18)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 11-07-2019, 10:19 PM

I will be ordering the PR coils. I think most of my issues have always been the coils. I just got unlucky when I bought a new set that half of them were not top quality.

But, every car is different. I would recommend copying your entire post and staring a new thread. I have some thoughts, but I’m not going to hijack my own thread.
Reply With Quote
(#19)
Old
Bbelstad's Avatar
Bbelstad Bbelstad is offline
Junior Member
 
Posts: 245
Join Date: Sep 2019
Car: 08 E60 535i
Default 11-07-2019, 10:27 PM

Quote:
Originally Posted by HyTeK
I will be ordering the PR coils. I think most of my issues have always been the coils. I just got unlucky when I bought a new set that half of them were not top quality.

But, every car is different. I would recommend copying your entire post and staring a new thread. I have some thoughts, but Iím not going to hijack my own thread.
Thanks but I think I'm getting sorted out now though. Hope the coils make a big difference because if you report back that the issue has been solved by putting in PR's, I'll be doing the same


Brandon
Hayden, Idaho.

* 08' 535I. * JB4 W/ Bluetooth Connect & custom tune. * Billy Boat 535I 3.5" *****-back exhaust W/ resonator delete. * BMS DCI. * NGK 2 step colder plugs @ .020" (And I mean .020" on money!). * New Eldor coils. * BMS BOV adapter and BMS Vac side OCC. * BMS Chargepipe. * TIAL BOV W/ Hard 1/4" Vacuum line W/stock spring. * XHP Stage 2 * C-@-T TUBES.





[/SIGPIC]
Reply With Quote
(#20)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 11-08-2019, 08:32 AM

The price for them are not that bad, the MHD flash has the option specifically for them, all the reviews and dynos have been very positive, and seems like I’ve been battling coil issues for a few years now.

What I have noticed with the BEF: when it’s cold in the morning, around 30F, and the car warms up to around 160-200, the car seems to pull hard. After the engine fully warms up, it starts to hesitate a bit more, and have the same “lag” I got shortly before my last coil died. I’m thinking the coils in their slightly older age are very heat prone. (The HP coils that is).

I’ll update with a log and my experience after I get them on and running for a week or two.

Cheers
Reply With Quote
(#21)
Old
Bbelstad's Avatar
Bbelstad Bbelstad is offline
Junior Member
 
Posts: 245
Join Date: Sep 2019
Car: 08 E60 535i
Default 11-08-2019, 02:22 PM

Quote:
Originally Posted by HyTeK
The price for them are not that bad, the MHD flash has the option specifically for them, all the reviews and dynos have been very positive, and seems like Iíve been battling coil issues for a few years now.

What I have noticed with the BEF: when itís cold in the morning, around 30F, and the car warms up to around 160-200, the car seems to pull hard. After the engine fully warms up, it starts to hesitate a bit more, and have the same ďlagĒ I got shortly before my last coil died. Iím thinking the coils in their slightly older age are very heat prone. (The HP coils that is).

Iíll update with a log and my experience after I get them on and running for a week or two.

Cheers
I'm glad to heat you experience the same "warmed up lag" feeling as I do. Cars great JUST before it's all heated up and soaked. Between 160 -190 or so. I thought coils were the issue as well and have replaced them with new ones and nothing changed.


Brandon
Hayden, Idaho.

* 08' 535I. * JB4 W/ Bluetooth Connect & custom tune. * Billy Boat 535I 3.5" *****-back exhaust W/ resonator delete. * BMS DCI. * NGK 2 step colder plugs @ .020" (And I mean .020" on money!). * New Eldor coils. * BMS BOV adapter and BMS Vac side OCC. * BMS Chargepipe. * TIAL BOV W/ Hard 1/4" Vacuum line W/stock spring. * XHP Stage 2 * C-@-T TUBES.





[/SIGPIC]
Reply With Quote
(#22)
Old
HyTeK's Avatar
HyTeK HyTeK is offline
New Member
 
Posts: 20
Join Date: Mar 2015
Car: 2009 335xi E90
Default 11-15-2019, 07:05 PM

I got my PR coils today. Plan on installing them this weekend. The past week the stutter has been getting really bad. Did end up getting a misfire on 6 yesterday. Everything felt the exact same as when the other coil died off.

Here is to hope the PR coils work as good as they look. They are purrty!
Reply With Quote
(#23)
Old
Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
Super Moderator
 
Posts: 8,220
Join Date: Apr 2014
Car: E92 335XI
Default 11-15-2019, 08:46 PM

Success seems to be hit or miss with the upgraded coils.

I believe there is an “upgraded coil” box that you’ll need to check via mhd options & reflash

I’d keep your plug gap the same


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump




vBulletin Skin developed by: vBStyles.com
Copyright © 2007 - 2020, N54tech.com