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
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.
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