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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Elusive Fault Code 2aa4, P13BA



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      02-19-2018, 11:05 AM   #1
nine_inch_snail
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Exclamation Elusive Fault Code 2aa4, P13BA

Hello all,

I am troubleshooting an issue with my 2008 535xi where the limp mode comes on and stays on constantly. Car has 120,000 miles.

INPA gave codes 0x2aa4 (P13BA) and 0x3100.

It appears that code 2aa4 is a direct cause of the 3100 in which the car lowers the turbo pressure to prevent damage.

Problem is that I can not find much information about this code.

2AA4:Camshaft Inlet-Tooth Failure

So far I have tried cleaning & swapping VANOS. Now I am doing the valve cleaning but I doubt that will solve this issue?

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      02-19-2018, 12:08 PM   #2
ppointer
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I recently had my Z3M into a shop, thinking my VANOs needed servicing. Admittedly the S54 is quite a bit different than what you have in your 535. The reason I jumped in here is because ultimately the limp mode on my car was caused by faulty fuel pump. Motor wasn't getting enough fuel pressure when heavy throttle was applied. So, we replaced pump, filter, and MAF. Quite expensive, but problem solved, and VANOs did not need servicing.
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      02-19-2018, 12:37 PM   #3
nine_inch_snail
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Quote:
Originally Posted by ppointer View Post
I recently had my Z3M into a shop, thinking my VANOs needed servicing. Admittedly the S54 is quite a bit different than what you have in your 535. The reason I jumped in here is because ultimately the limp mode on my car was caused by faulty fuel pump. Motor wasn't getting enough fuel pressure when heavy throttle was applied. So, we replaced pump, filter, and MAF. Quite expensive, but problem solved, and VANOs did not need servicing.
Your experience doesn't seem to have anything to do with mine.
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      02-19-2018, 01:30 PM   #4
feuer
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Could be either the cam position sensor or cam shaft ledge. I see low oil level code too so make sure you have enough and proper oil in the engine and make sure the little o-ring on the tip of the OFH cap is in OK condition. Often techs don't replace this little o-ring that with time gets hard and causes cam shaft and vanos fault codes. Cam shaft ledge is expensive repair unless you know how to DIY
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      02-19-2018, 04:06 PM   #5
nine_inch_snail
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Quote:
Originally Posted by feuer View Post
Could be either the cam position sensor or cam shaft ledge. I see low oil level code too so make sure you have enough and proper oil in the engine and make sure the little o-ring on the tip of the OFH cap is in OK condition. Often techs don't replace this little o-ring that with time gets hard and causes cam shaft and vanos fault codes. Cam shaft ledge is expensive repair unless you know how to DIY
Thanks. I ordered a new camshaft intake sensor. If that's not it then I am going to do the bearing ledges myself - already started researching it.
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      02-20-2018, 01:30 AM   #6
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Having the same issue, did my camshaft ledge rectatings only and new camshaft sensor but no luck with that
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      02-21-2018, 09:27 AM   #7
nine_inch_snail
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Quote:
Originally Posted by Franzein View Post
Having the same issue, did my camshaft ledge rectatings only and new camshaft sensor but no luck with that
This is exactly what I am afraid of. I don't mind doing buying the parts and doing the work, but it's replacing things that don't need replaced and still having the issue that bothers me.

Do me a favor and keep me updated on your issue and I will do the same. Right now I am cleaning my intake valves, next is the cam sensor.
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      04-25-2018, 06:40 PM   #8
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Did you ever resolve this issue?
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      06-09-2018, 08:47 AM   #9
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Bump...anyone?
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