Bank 1 bank 2 running lean and rich

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		E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning
Bank 1 bank 2 running lean and rich

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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01-12-2011, 08:25 PM	#1
morrow12 Registered User Join Date: Sep 2010 Location: bradenton florida Posts: 51 My Ride: 2003 m3 e46 View My Garage	Bank 1 bank 2 running lean and rich My is miss firing real bad took it to the auto shop to get read I got bank 1 to rich bank 2 to lean I took plugs out and they where black do I replace them or fix the running to lean and rich so I don't mess a new set of plugs where should I start help please Sent from my SPH-M910 using Bimmer App

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