08-07-2012, 05:44 PM
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Seek to understand,^Value
Location: San Jose, California
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Join Date: Mar 2008
Posts: 17,141
Mein Auto: 02 BMW 525i M54 automatic
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Quote:
Originally Posted by timarnold
The blue twist plug is a cover plug that is removed to insert the flywheel lock to lock the engine at TDC when setting the VANOS timing.
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For the record, someone else asked the same question today:
-> E39 (1997 - 2003) > Help identify blue plug-like cap off Engine or Tranny?
Quote:
Originally Posted by samdayo
Something broke off or fell off my 2001 525i Wagon under the engine/transmission area. I found it on the floor under my car and it looks very brittle. It's blue and looks like a plug of some sort. I'm attaching an image.
Can anyone identify this for me and tell me where this broke off from? Is it important and will it be fine without it?
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