Question about 1998 BMW 5 Series

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Hey guys i got 540i 98 and i got a few problems! i know something a bout mechanical but never in bmw i got miss fire in cylinder 5 and 6 is this car single coil or just 1 for all of them? also knock sensor 2 circuit2 fail some body can give me a hand whit? thanks

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Mcdevito75 Here, The mechanics itself even in a BMW are about the same, not putting down BMW though, the mis-fire in 2 cylinders next to each other could be a head gasket, or something related to the ignition system. If you can remove plugs 5 & 6 if they appear white, it"s a head gasket, a little wet with gas then it:s ignition. Have your local auto shop check it out for you.

Posted on Jul 06, 2010

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My sincere apologies for the delayed response.
I am personally going back to answer your unanswered questions.
I have only been a free contributor to this site for the past 4-months.

I do not know if you still need this information, but I am going ahead and answering it anyway. You may want to Print the Diagrams for future use.

CLICK
on the following LINKS. It has the Belt Diagrams you will need.

I do not know if you have the 528 or 540 Model; however I have included both Links below.

If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!

Again my apologies...
For the 528:
http://www.2carpros.com/car_repair_information/year/1998/make/bmw/model/528i/1998_bmw_528i_drive_belt_routing_diagram.htm
For the 540:
http://www.2carpros.com/car_repair_information/year/1998/make/bmw/model/540i/1998_bmw_540i_drive_belt_routing_diagram.htm

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