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Discussion Starter #1
Hello all , and thank you for future advice on my 330i m sport. Recently it has started to misfire on cylinder 6 when warm , perfectly fine cold . Have investigated a little, swapped coil 6 connection with coil 5 and fault is then cylinder 5 misfire . So my thought is distributor unit!!!?? Any other checks or am I on the right path, and if so where to trace one as had a little look and only fleabay showing them , thanks again in advance
 

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What year car? You probably dont have a distributor but electronic engine management instead.
Sounds like you've identified the problem as coil 6.
 

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Hi , thank you for your reply, it's a 2008 and since first post have swapped coils around and still missing on cylinder 6! Can fully disconnect coil on 6 , could we be thinking spark plug failure?
 

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Hi , thank you for your reply, it's a 2008 and since first post have swapped coils around and still missing on cylinder 6! Can fully disconnect coil on 6 , could we be thinking spark plug failure?
Yes swap spark plug around and see if the problem follows it.
 
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