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      04-27-2012, 06:46 PM   #1
n55x3
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Drives: n55 BMWs
Join Date: Dec 2011
Location: us - ohio

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Revised outer seal TSB

While our X3 was in for the throttle lag TSB I also asked them to look into a whistling noise that came from the passenger side A pillar / mirror housing area. There is a TSB for this: SI B51 31 11

Part number 51-33-7-205-594 OUTER RIGHT SEAL

I actually noticed the quietness before I noticed the revised throttle on the drive home. Only drove for very short time but seemed like an improvement.

Our X3 had a build date of late April 2011. Took 1 day for the part to be shipped. Hopefully this can help some folks out.