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      10-05-2013, 01:59 AM   #934
sean_persi
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Drives: 2007 335i/ 2011 328xi
Join Date: Mar 2010
Location: Northern Virginia

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Hello,

Did you find out what was wrong with your vehicle? I have a 2011 328XI and recently cel light came up and my engine started to shake. Mine shows the same code " P054B - Coldstart Camshaft B position timing over-retarded". I changed my vanos solenoids and spark plugs but the cel is still on and engine still shaking. My car is out of warranty as well!

Quote:
Originally Posted by fmowry View Post
New to the forum but been a car guy for quite some time. Picked up an '08 135i a couple months ago and just popped a CEL.

P054B - Coldstart Camshaft B position timing over-retarded.

A quick search didn't come up with any hits. Used Torque App to scan the code. Not much info.

Anyone have any other information on possible cause/fix?

A search on NAM Mini forum shows:

P054B - VANOS, exhaust-side, cold start: No closed-loop control possible

But that is just a partial list.

Car is out of warranty but had all the recalls done and I had the history checked at a BMW dealership and it had no history issues.
Appreciate 0