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BMW Repair/1982 BMW 733i
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Question
I have a 1982 BMW 733i 3.2L V6. After I start it up for a few minutes, it's starts to idle up and down consistently. (High then low) I thought it was the air flow meter, but it wasn't. I replaced plugs, wires, distributor, rotor cap. I was wondering if it has something to do with the Motronic?
Hi hope I can help.First off BMW 3.2 is a inline 6,they do not make a V-6 engine.Your problem is probably a Idle control valve or unit.If you have an oil leak fix it because it will cause an unmeasured air leak and draw oil in from the crankcase. Clean your throttle body and the idle control valve.The problem may due to items that feed the Motronics so check your grounds,especially the body ground at the battery.
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Don Berlan
Expertise
ASE Master Mechanic for 25 years. Can help with all aspects of BMW repair. I especially enjoy driveablity problems, mechanical or electrical.
Experience
I have been an ASE Master Mechanic for 25 years.I have worked in many dealearships although BMW's are my favorite.I now have my own shop,specializing in BMW's.I have autocrossed and even gotten into mud running with my 4x4.(I am NOT a teacher and don't claim to know everything about the cars I never see.I hope to help you with your repairs and do expect some knowledge on your side.)
Education/Credentials
CMVTI, Auburn Maine
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