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Old 11-27-2011, 11:21 PM   #1
silver 330zhp
Registered User
Join Date: Oct 2010
Location: Indiana
Posts: 6
My Ride: 2003 330 ZHP
Need advice -- engine light

Hi guys, so I recently bought back my old 330i zhp... It now has AA headers and full exhaust, AA software, dinan intake.. and some other random parts... However, the check engine light is on and the code says it is a cylinder 3 misfire... I have put new plugs in it since and it did not fix the problem... It tends to hesitate when you are in the 2000-3500 RPM range at about half throttle, I dont know if it is an electrical issue or if it is fuel related...?
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