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Old 05-21-2008, 11:12 PM
Rajaie Rajaie is offline
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Location: Raleigh, NC
Join Date: Jul 2007
Posts: 166
Mein Auto: 528i 5sp 06/00
I doubt the CVV and associated hoses are causing your problem.
You have a persistent cylinder 1 misfire.
This is going to be coil, sparkplug, or fuel injector.

Originally Posted by silverbimmer3 View Post
Used techron fuel injector cleaner and 12 gl. on highway...
still problem persists...

If it is the crankcase ventilation/oil separator issue, can I DIY???

I remember last time it cost me hundreds of dollars to replace this piece that connects 100 hoses together....

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