Thread: exhaust
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Old 05-17-2005, 10:53 PM   #3
witeshark
 
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Name: witeshark
Title: Suspended License
Status: Offline
Join Date: Apr 2005
Location: Miami FL
Rate My Car: 84 / 337
Your Ride: 89 325i 5 speed
That is a sulfur affect from the catalytic converter. It may need service or you may need to replace the oxygen sensor
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