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      11-12-2012, 05:49 PM   #9
Dackelone's Avatar
Drives: 135i Silber mit/Rot 6MT N54
Join Date: Feb 2010
Location: Bayern, Germany

Posts: 16,012
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Originally Posted by Fed P View Post
Unless this is another case of Dackelone's "use only BMW spark plugs, not Bosch". IIRC, BMS sells the Bosch ones.
I was just gonna say....

There is a KNOWN problem with aftermarket spark plugs. BUY plugs from a BMW dealer only. Don't you think its wiser to spend $90 on OE plugs than (cheap) OEM ones. ?

Read post #45...

135i Spark Plug replacement DIY...

There are also N55 and N54 specific plugs. Check your part numbers to make sure you get the correct ones. See page two of my DIY.
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