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Showing results 1 to 25 of 100 Search: Posts Made By: drwillb
Forum: N55 10-05-2021, 04:36 PM
Replies: 7
Views: 354
Posted By drwillb
Are you generating vacuum? could be a crack in...

Are you generating vacuum? could be a crack in the VC letting oil into the molded in vacuum gallery.
Forum: Support & Log Review 10-04-2021, 05:34 PM
Replies: 18
Views: 1,388
Posted By drwillb
Just spitballing. As I mentioned above, I...

Just spitballing.

As I mentioned above, I had a bad ground at the shock tower that caused zero boost. I later had a poor CAN Bus connection that caused intermittent boost and bluetooth connection...
Forum: Support & Log Review 10-04-2021, 02:14 PM
Replies: 18
Views: 1,388
Posted By drwillb
Could be a bad JB4 board. Some connection or...

Could be a bad JB4 board. Some connection or component has become vibration sensitive. Could also be a problem in the JB4 harness.
Forum: Support & Log Review 09-16-2021, 03:07 PM
Replies: 18
Views: 1,388
Posted By drwillb
Boost was a little choppy at times or not even...

Boost was a little choppy at times or not even there.
Forum: Support & Log Review 09-16-2021, 12:45 PM
Replies: 18
Views: 1,388
Posted By drwillb
I recently had intermittent problems with the...

I recently had intermittent problems with the steering wheel controls not being functional but also had the bluetooth connection die at the same time.

Turned out to be an intermittent connection...
Forum: N55 09-09-2021, 08:51 PM
Replies: 4
Views: 462
Posted By drwillb
It not the engine per se. Water pump by 50k miles...

It not the engine per se. Water pump by 50k miles is routine, starter is fairly common, eccentric shaft and VVT motor, fuel pumps, valve covers, and some other parts are all “normal” to be replaced. ...
Forum: N55 09-09-2021, 04:48 PM
Replies: 4
Views: 462
Posted By drwillb
As the previous owner of a 1er you should...

As the previous owner of a 1er you should consider a 235 instead.

I'm a current owner and I'm surprised at the long list of "normal" problems with these cars.

Not a hater, I love my car, but...
Forum: N55 08-02-2021, 08:26 AM
Replies: 2
Views: 783
Posted By drwillb
Great question....... N54Tech.com -...

Great question.......


N54Tech.com - International Turbo Racing Discussion (https://www.n54tech.com/forums/search.php?searchid=14993980)
Forum: N55 07-23-2021, 05:38 AM
Replies: 10
Views: 1,030
Posted By drwillb
Sounds like a bad JB4 board. Drive it like you...

Sounds like a bad JB4 board. Drive it like you have it set now for a while f to hen switch back and see what happens.

BTW, I have a brand new, latest version board for sale. $100 shipped.
Forum: N55 07-21-2021, 07:31 AM
Replies: 10
Views: 1,030
Posted By drwillb
More to try: 1) reset throttle adaptations ...

More to try:

1) reset throttle adaptations
2) lower FF/wg adaptation to 70

do some runs.


One more possibility for cause:
Forum: N55 07-20-2021, 06:56 AM
Replies: 10
Views: 1,030
Posted By drwillb
1) I would test moving the ground to the place I...

1) I would test moving the ground to the place I mentioned. It can't hurt.

2) Run map 1 with menu items 10/11/12 all at 2500

3) Try a brand new solenoid

4) WG fully closed under all...
Forum: N55 07-20-2021, 03:23 AM
Replies: 10
Views: 1,030
Posted By drwillb
You are probably correct and that was the case in...

You are probably correct and that was the case in my situation.

You could also have a bad board.
Forum: N55 07-19-2021, 08:32 AM
Replies: 10
Views: 1,030
Posted By drwillb
Check your JB4 ground location. The boost...

Check your JB4 ground location. The boost controller is a separate circuit that uses the black wire to chassis ground. The rest of JB4 grounds through the DME.

I had 4 months worth of boost...
Forum: Support & Log Review 06-22-2021, 09:52 AM
Replies: 23
Views: 1,026
Posted By drwillb
Looks like you'll want to stick with map6 and...

Looks like you'll want to stick with map6 and custom duty bias in order to get your FF and WGDC lines closer. Your FF is already at 90 so do manual DB values. You can also shut off auto FF adjust...
Forum: Support & Log Review 06-21-2021, 02:20 PM
Replies: 23
Views: 1,026
Posted By drwillb
I just realized you have a PS2. That brings a...

I just realized you have a PS2. That brings a lot of particular tuning with JB4. PS1, which I have, is a lot easier. Just spend some time reading the big turbo thread for some insights. Used to...
Forum: Support & Log Review 06-21-2021, 11:32 AM
Replies: 23
Views: 1,026
Posted By drwillb
Dial back your default wastegate setting. ...

Dial back your default wastegate setting. Currently set to 80 but I would bring it down to 50 and work either way from there.

This setting now controls spool duration. 80 = hitting 80% of target...
Forum: N55 06-12-2021, 03:26 PM
Replies: 3
Views: 878
Posted By drwillb
Did you mean PS1?

Did you mean PS1?
Forum: JB4 Mobile 06-09-2021, 03:30 AM
Replies: 2
Views: 1,431
Posted By drwillb
I’ve got the same thing going on with my 2012...

I’ve got the same thing going on with my 2012 135i PWG N55
Forum: JB4 Mobile 06-05-2021, 07:42 AM
Replies: 73
Views: 13,802
Posted By drwillb
Just did the latest iPhone update for JB4 mobile....

Just did the latest iPhone update for JB4 mobile. Looks like the font size for oil temp # is too small. Doesn’t match the other gauges and harder to read. BTW, I use the bar gauge setup.

Thanks...
Forum: N55 05-21-2021, 02:40 PM
Replies: 6
Views: 1,150
Posted By drwillb
The pace of the sound changes with RPM but not at...

The pace of the sound changes with RPM but not at the same rate as the engine. Probably something that is turned by the serpentine belt but not at the same rate as the crank. Start with alternator...
Forum: N55 05-07-2021, 02:56 PM
Replies: 2
Views: 1,162
Posted By drwillb
I’m glad somebody finally asked this question. ...

I’m glad somebody finally asked this question.

N54Tech.com - International Turbo Racing Discussion (https://www.n54tech.com/forums/search.php?searchid=14019630)
Forum: N55 04-19-2021, 07:45 AM
Replies: 7
Views: 1,157
Posted By drwillb
Read my last post above. Your settings are...

Read my last post above. Your settings are probably too aggressive so you're jumping into overboost. I've been tweaking my JB4 in all sorts of configurations for 4.5 years now and I just got it...
Forum: N55 04-17-2021, 12:51 PM
Replies: 7
Views: 1,157
Posted By drwillb
Your boost safety is set to 18. Raise that to 20....

Your boost safety is set to 18. Raise that to 20.

Check for any codes.

Check steering wheel menu item 11 and bring it down to 2000 if it is higher than that. Item 12 set to 2500.

What...
Forum: N55 04-17-2021, 04:09 AM
Replies: 7
Views: 1,157
Posted By drwillb
Please list all your mods and service/maintenance...

Please list all your mods and service/maintenance done, i.e. plugs, coils, fuel injectors
Forum: N55 04-16-2021, 03:24 PM
Replies: 7
Views: 1,157
Posted By drwillb
Do you have an N20 TMAP sensor? According to the...

Do you have an N20 TMAP sensor? According to the log you do. Change that if you don’t.
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