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Old 06-07-2019, 01:33 PM
Join Date: Apr 2009
Location: Columbus, Ohio
Posts: 509
Purplefade is on a distinguished road
Originally Posted by X5M-ISH View Post

Donít forget to set up your cot tonight and good luck!

Cot! LoL, Iím folding the seats down and sleeping in the X - maybe it will bring us closer together and sheíll decide to run for me

Agree totally, start spending money, or pull valve covers and be absolutely sure... wasnít the easiest decision Iíve ever made but I think it was the right one - pull the VCs and just be sure
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Old 06-07-2019, 11:33 PM
Join Date: Apr 2009
Location: Columbus, Ohio
Posts: 509
Purplefade is on a distinguished road
Ok, closing out this thread.

To summarize, I completed a valve stem seal replacement job on my 05 X5 4.4i using the Speed Works VSS Tool Kit (I didn't actually have to touch the cams or directly affect the timing) - it is very similar to the AGA kit and works the same way. Before the VSS job I had no driveablity issues after the VSS job I couldn't drive it at all.

I continued to receive a 2A89 DME Exhaust Vanos 2 \ P0024 B Camshaft Position-Timing Over-Advanced or System Performance Bank 2 that resulted in a poor idle and the car just flopping on its face if you even considered touching the accelerator.

Trying to diagnosis the issue I:
- swapped vanos, bank 2 intake for exhaust and exhaust for intake
- swapped vanos bank 1 to bank 2, etc
- verified vanos connectors, 12.4v batt side & 3.48v DME side
- tested vanos solenoids w 12v, all clicked
- removed and cleaned the vanos another time
- tested my coil grounds
- swapped plugs
- swapped coils
- swapped cam position sensors, exhaust for exhaust, bank 1 intake for bank 2 exhaust
- verified battery voltage
- verified alternator voltage
- changed the oil (I thought that maybe it didn't like 10w40 now that it had new valve stem seals... don't judge..., the freakin thing is more temperamental than a pregnant woman trapped in a hot elevator! - And you know it's true!
- AND... performed a DME Ram Backup

I performed a DME Ram Backup because with information from this and other forums as well as my indy I thought that it may refresh the DME and reset\release the error codes, I thought my problem was "software".

And none of it worked. So with information from the forum and my indy, I decided that it might be time to take it to the shop and concede my loses...

That said, in one final tear down to verify I had everything right, I think I may have found the cause of all of my problems!

Since I now have an X5 that won't idle and I have a direction to take, I'm going to jump back to:

X won't idel after replacing valve stem seals - receiving misfire codes.

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