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Old 04-12-2011, 01:33 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by bobdmac View Post
Have you tried this one?
I have. With mixed results.

BTW, today a 'propane' way to test for vacuum leaks was proposed:
- E39 (1997 - 2003) > 2003 525IT-Smog Failed

Originally Posted by Jimmys 530i View Post
Check for vacuum leaks. Buy a small propane tank, and run a long hose off the end; open the valve just slightly, and hold the hose over vacuum components one at a time. If your idle changes, you have found your leak.
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