E46Fanatics - View Single Post - Crankshaft position sensor replacement
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Old 08-01-2011, 08:35 PM   #41
John in VA
Registered User
Join Date: Oct 2007
Location: Leesburg, VA
Posts: 763
My Ride: 328i/325xi
Originally Posted by Bandit View Post
...It didn't fix the problem, in fact all of the symptoms were amplified. Now it takes forever to start, misfires and stalls. Its also way down on power and sucking down gas. Tonight I decided to remove the new CPS and turn it in on warranty for another one(horror stories of bad off the shelf parts. I just finished removing it and it only took like 30 minutes. Its not that bad once you know what your doing. I am off to get a new new one and will update once it is installed.
That's why I followed everyone's advice and got new sensors from the dealer. You could have a bad sensor out of the box, or it could be a poor quality unit. I replaced both intake & exhaust sensors - it cured the driveability issue and cleared the codes.
John in VA
'15 228i M Sport
'06 330ci ZHP
'03 530i
'02 325xi
'00 328i
'86 535i
'85 535i
'85 325e - RIP
'74 2002tii
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