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sA x sKy sA x sKy is offline
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Default 03-06-2016, 10:19 AM

Quote:
Originally Posted by harry$
That is going to be a tough one (with out specialized/ dedicated equipment) to be able to accurately machine the wood ruff key in the right location to properly time the cams with the engine.

If able to machine for a standard key then could make a step (offset) key if needed to align/ time the cams but depending how much offset is needed to correct for accumulated error it will severely weaken the key.

There could be a method to the madness as to why BMW does it their way.

How wide spread or other engines in their line up use this system and how has it been standing up?
Crank is sent out to a well trusted engineer to do the job. So we'll see if it's possible or not. Either way I think the one piece billet hub will fix the problems.

N54/N55 use the same hub. But theirs are fine.


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Caruso0644 Caruso0644 is offline
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Default 03-27-2016, 08:01 AM

I chimed in on this topic late last summer when I was having an issue, the dealer just retimed my car and pushed it back out the door. My tech asked me to drive it hard without the JB4 and see if it comes out of timing, it seemed fine for about 500-600 miles but then I put the car away for the winter until this week. I put the JB4 back in, ran map 2 and strait 93. After about 50-100 miles in I'm getting an Instant VANOS code at startup.... I'm going to take the the JB out and bring it in tomorrow morning, I'll let you know what they do.


15' M4 : JB4 : BMS intake : Meisterhaft full exhaust : AR DP's : MSR Charge ***** : H&R Sport Springs / 08' E92 335i : Montego Blue : JB4-G5 : DCI : BMSMeth : BMSoilCC : VRSF DP's : VRSF Front Mount : 19" Vertini Magic : Bridgestone RE-11 : Carbon CSL Trunk Lip : MtechRearBumper : Mtech FrontBumper
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Johnl135i Johnl135i is offline
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Default 03-27-2016, 09:10 AM

Quote:
Originally Posted by Caruso0644
I chimed in on this topic late last summer when I was having an issue, the dealer just retimed my car and pushed it back out the door. My tech asked me to drive it hard without the JB4 and see if it comes out of timing, it seemed fine for about 500-600 miles but then I put the car away for the winter until this week. I put the JB4 back in, ran map 2 and strait 93. After about 50-100 miles in I'm getting an Instant VANOS code at startup.... I'm going to take the the JB out and bring it in tomorrow morning, I'll let you know what they do.
Did your dealer change your crank bolt when it was in for service?

Can you post your fault code pulled from the JB4.

Thanks
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Caruso0644 Caruso0644 is offline
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Default 03-28-2016, 04:38 AM

Quote:
Originally Posted by Johnl135i
Did your dealer change your crank bolt when it was in for service?

Can you post your fault code pulled from the JB4.

Thanks
No the only thing they did was re time the car.. I brought up the crank stuff but my service advisor said that's all BMW would pay them to do.

2016-03-26 20_14_04:
13E201 Suspected VANOS fault
3F2012 Suspected VANOS fault


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Johnl135i Johnl135i is offline
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Default 03-28-2016, 06:02 AM

These were the fault codes when my crank bolt came loose.

13E201, 3F2012
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Caruso0644 Caruso0644 is offline
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Default 03-29-2016, 07:19 PM

So apparently my crank bolt was loose, they replaced the bolt and retimed the car. I've been holding on to a keyed crank gear since last fall but didn't have them install due to the talk of people having problems because of them, also wouldn't want something to happen with that gear in place. I'll let you know the final verdict when I grab the car and talk to them more in depth.


15' M4 : JB4 : BMS intake : Meisterhaft full exhaust : AR DP's : MSR Charge ***** : H&R Sport Springs / 08' E92 335i : Montego Blue : JB4-G5 : DCI : BMSMeth : BMSoilCC : VRSF DP's : VRSF Front Mount : 19" Vertini Magic : Bridgestone RE-11 : Carbon CSL Trunk Lip : MtechRearBumper : Mtech FrontBumper
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Johnl135i Johnl135i is offline
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Default 03-29-2016, 09:25 PM

Quote:
Originally Posted by Caruso0644
So apparently my crank bolt was loose, they replaced the bolt and retimed the car. I've been holding on to a keyed crank gear since last fall but didn't have them install due to the talk of people having problems because of them, also wouldn't want something to happen with that gear in place. I'll let you know the final verdict when I grab the car and talk to them more in depth.
Well, very interesting. This is the EXACT repair they did to my car. I got a new crank bolt and valve seal gasket. Can you post your car's build date? Mine was late 2014. Maybe you can ask them why the bolt came loose? Also, ask them if they are going to inspect the friction washer for damage.
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Johnl135i Johnl135i is offline
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Default 03-31-2016, 02:02 PM

updates?
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Caruso0644 Caruso0644 is offline
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Default 03-31-2016, 03:40 PM

Quote:
Originally Posted by Johnl135i
updates?


Well I received this picture and a message yesterday afternoon from my advisor it's all set come pick it up. What they did is just replace the bolt, re-torqe the bolt and retime the car.

Well I received a call an hour later and he said an engineer from BMW called and asked them to shoot him a picture of the friction washer..... well being that the car was put back together already he couldn't provide that. So the engineer said BMW will pay them to rip the car back apart and check. SO they had to bring the car back in yesterday afternoon and break it all apart again. BMW sent a head tech up to the dealership to check the findings out and now they are replacing a pump gear, crank gear, friction washer and bolt with a couple of other things.... the parts are due in tomorrow and at that point they are going to put the car back together...

Crazy..... the dealership felt bad but its not my daily and they gave me a 4 Grand coupe with the M package and a bunch of options to bomb around in so whatever... i'd rather have it fixed right.

Good thing I didn't have them put that pinned gear in because the Rep from BMW would of flagged my car.


15' M4 : JB4 : BMS intake : Meisterhaft full exhaust : AR DP's : MSR Charge ***** : H&R Sport Springs / 08' E92 335i : Montego Blue : JB4-G5 : DCI : BMSMeth : BMSoilCC : VRSF DP's : VRSF Front Mount : 19" Vertini Magic : Bridgestone RE-11 : Carbon CSL Trunk Lip : MtechRearBumper : Mtech FrontBumper
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iuhutch iuhutch is offline
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Default 03-31-2016, 04:10 PM

Interesting. Did BMW want to check to make sure that it was fixed correctly or where they trying to determine if it was derived from a mod.

Did you leave the parts on that you have in your footer?

Did they say anything about mods?

Ask you if you've had a tune?
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Caruso0644 Caruso0644 is offline
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Default 03-31-2016, 08:13 PM

Quote:
Originally Posted by iuhutch
Interesting. Did BMW want to check to make sure that it was fixed correctly or where they trying to determine if it was derived from a mod.

Did you leave the parts on that you have in your footer?

Did they say anything about mods?

Ask you if you've had a tune?
I'm not sure the reasoning behind the BMW rep coming up, but they say it's not uncommon for certain case files like this. But they are definitely looking for tuners because he asked the tech, I brought my car in with everything but the JB4 and apparently they don't seem to mind.


15' M4 : JB4 : BMS intake : Meisterhaft full exhaust : AR DP's : MSR Charge ***** : H&R Sport Springs / 08' E92 335i : Montego Blue : JB4-G5 : DCI : BMSMeth : BMSoilCC : VRSF DP's : VRSF Front Mount : 19" Vertini Magic : Bridgestone RE-11 : Carbon CSL Trunk Lip : MtechRearBumper : Mtech FrontBumper
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Caruso0644 Caruso0644 is offline
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Default 03-31-2016, 08:22 PM

Oh and my car was built 6/14


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Johnl135i Johnl135i is offline
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Default 04-01-2016, 07:44 AM

Well, what BMW is doing to your car is what I expected them to do with mine. They are basically rebuilding your whole timing system, which is a good thing. I expect I will have a failure again, now I have proof they did not do the proper repair on my car, I just pray when mine does go, it does not cause any engine damage.
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Johnl135i Johnl135i is offline
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Default 04-10-2016, 11:22 AM

Any updates on the repair and what BMW said?
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Lowon Lowon is offline
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Default 12-13-2016, 02:39 PM

Is this crank hub issue still a prevalent issue on the s55's or has it been resolved? Has there been a tsb announced by bmw?


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Johnl135i Johnl135i is offline
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Default 12-16-2016, 03:01 PM

Quote:
Originally Posted by Lowon
Is this crank hub issue still a prevalent issue on the s55's or has it been resolved? Has there been a tsb announced by bmw?
It appears late 2015 bmw changed the bedplate design which was implemented in the GTS. There has been no reported spun crank hubs in a long time.
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Default 12-16-2016, 04:01 PM

Quote:
Originally Posted by Johnl135i
It appears late 2015 bmw changed the bedplate design which was implemented in the GTS. There has been no reported spun crank hubs in a long time.
Good to know lol (was looking at a local m4 gts)


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