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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 09-30-2016, 10:38 AM   #1
Registered User
Join Date: Jun 2014
Location: denton
Posts: 16
My Ride: 2002 bmw 325i
Lean in bank 1&2

Thanks to everyone who has replied to my posts. I blew an engine and bought a new one. Had them install it. Found out later they did a bad job at it. I started getting lean codes in bank 1&2. This is what i have done.
1. Removed intake and replaced all vaccum lines.
2.replaced valve cover gasket
3.replaced purge valve
4.replaced cvv
5.checked fuel pressure and it was good
6 replaced lower intake and inspected upper intake
7. Inspected and cleaned mass airflow sensor
8.checked fuel filter
9. Even tried diagnostic at a recommended place not sure they knew what doing

Any ideas please help have til tuesday to fix
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Old 09-30-2016, 12:14 PM   #2
Registered User
Join Date: Apr 2013
Location: Kitchener Ont Canada
Posts: 81
My Ride: 04Z4R VF 12PSI
O2 sensor(s)
04Z4R 3.0 6 speed VF supercharged,Tial BPV,Ceramic coated Bimmerbrakes header, megan motor&trans mounts,42 design catch can, custom intake ducting,2.62 blower pulley,pre and post S/C WMI,CDV delete ,custom strut bar,3.64LSD, H&R anti roll bars, adjustable Hotchkis end links.Eibach Pro Kit,Koni Yellows. Carbon dipped interior.
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