740il engine problems HELP!! - BMW Forum

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		BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 1,6,7,8 - Series and Mini Cooper
740il engine problems HELP!!

1,6,7,8 - Series and Mini Cooper General Chat related to models that do not fit into particular categories above. Please try to put your discussion in more appropriate sections. This section does cover the 1 Series, MINI Cooper and 8-Series vehicles: BMW 830i, BMW 840Ci, BMW 850i, BMW 850Ci, BMW 850CSi, M8, Alpina B12, BMW CS Concept and others.

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09-13-2010, 04:39 PM	#1 (permalink)
fastbackvette n00b Join Date: Sep 2010 Car: Posts: 4 Photos:	740il engine problems HELP!! hello all. i am new to the bmw world but am a mechanic. i just purchased a 1998 740il and the engine idle fluctuates and when i rev it one time will rev fine and the next time will rev very slowly like it is starving for fuel, i am thinking MAF sensor but am not sure, please lend me your thoughts. thanks

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09-13-2010, 08:14 PM	#2 (permalink)
witeshark OMFG another one!? Join Date: Aug 2004 Location: Miami FL Car: 89 E30 325i, 2007 Honda Posts: 14,664 Photos:	Have a look at the intake ducting for cracks. __________________ BMW Sig by zeaq

09-17-2010, 10:13 PM	#3 (permalink)
fastbackvette n00b Join Date: Sep 2010 Car: Posts: 4 Photos:	it was the mass air meter!!! thanks

09-17-2010, 10:17 PM	#4 (permalink)
witeshark OMFG another one!? Join Date: Aug 2004 Location: Miami FL Car: 89 E30 325i, 2007 Honda Posts: 14,664 Photos:	Glad it's sorted, thanks for keeping us posted! __________________ BMW Sig by zeaq

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