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Discussion Starter #1
Changed my filters and since giving it a few hard pulls the engine management warning light has come on.

I seem to recall reading somewhere that the oil on the filters clog up the MAF sensors - Am I right?

Also as my motor is under warranty / service package - do they cause me a problem if I go to BMW to resolve - or should I swap back ?

Note: I have no diagnostic reader but the vehicle status in the menu section doesn't flag anything up??

Thanks in advance Lee
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