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Old 01-14-2014, 10:38 PM   #14
ac_2007
Cruising in Top Gear
 
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Join Date: Aug 2011
Location: Toronto, ON
Posts: 622
1) Unplug MAF, try starting and see how it drives. Your car will run rich while its unplugged (more fuel)

2) Change fuel filter. If you haven't already, by your mileage you're OVERDUE.

3) Add 2 bottles of Chevron Techron (BMW fuel system cleaner)

4) Check Fuel Pump pressure.

5) Check injectors (Although Techron should help)

6) Check coil packs/sparkplugs

Do it in that order, the first items are free/needed anyways.
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