99 540i no communication wont rev over 1200 rpm - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 12-21-2011, 09:03 PM
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99 540i no communication wont rev over 1200 rpm

car runs wont rev like a limp mode. no communication with snap on scanner. plug under dash is in. please help
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#2 (permalink) Old 12-22-2011, 05:18 AM
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brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice
Welcome to the Werkz

Will it rev in nuetral?
Is it running rough?
Is it hard to start?
Any exhaust smoke or engine noise?
Has anything been done to it recently?


Riding in style
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#3 (permalink) Old 12-22-2011, 08:28 AM
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the engine was changed there are no pinched harnesses, does not rev in nuetral, no smoke, starts up easly. runs fairly smooth, snap on soltice will not communicate, like its stuck in limp mode. any ideas
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