Quote:
Originally Posted by LKN624
I took out my DME and it is a MDS81 Index 4...so I don't think its a DME issue, but still quote possibly be.
I will change out the Cyl 4 Injector this week with a new plug and see what it does.
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There is a known issue with these engines where the misfire detection is incorrect. It will log a fault code for misfire cyl 6 in your case, but it will actually be a misfire in the cylinder that just fired previously, in this case cylinder 3 as the firing order is 1 5 3 6 2 4.
The Bimmerprofs website documents this problem in detail, and also has some other really good information. Try putting the new injector into cyl 3.
https://bimmerprofs.com/misfire-counters/
I was caught out by this issue with an N43. It had a misfire on cylinder 4 which turned out to be a misfire on cyl 3. A lot of time/money was wasted before i discovered this.