after I replaced my 2 prong bosch spark plugs with BKR6EQUP (4 prong) the car started to misfire and the service eng. soon light came on. I put back the old plugs and the car runs fine. I went to BMW and asked what were the recommend plugs and they said is was the NGK BKR6EQUP. I again installed the BKR6EQUP plug and the car is misfiring again. ANY SUGGESTIONS? thanks in advance!  |
| Reply » BKR6EQUP - 1998 540i misfire |
thay are mistaken, the NGK;s are used in 99+ models mostly the inline 6's replace with the EXACT SAME YOU PULLED OUT NO DIFFERENT
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| Reply » BKR6EQUP - 1998 540i misfire |
I have a 98 528i.
I had replaced my plugs with NKG BKR6EQUP 4 months ago
and I have no issues at all. Have you checked the threads on
the new plugs? You may have damaged a plug during installation.
That's all I can think of becuase you mention that if you switch back to
the old ones, the car runs fine.
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| Reply » BKR6EQUP - 1998 540i misfire |
Quote: but he has a V8, that is what I am saying there is a difference between the V8's and the I6's
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BKR6EQUP - 1998 540i misfire