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Old 04-22-2002, 08:17 AM   #2
Scooby Specialist
Member#: 6
Join Date: Jun 1999
Location: South Jersey
2007 BMW Z4 M Coupe
Interlagos Blue


Since you've already identified that the plugs look completely different side-to-side, I'd start looking at your fuel delivery setup. maybe you have some type of restriction on the passenger side, or maybe it's just not getting enough feed. What type of fuel pump are you using? Do you have a fuel pressure gauge?

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SteveS is offline   Reply With Quote