When I replaced my coils this spring I didn't cheap out: went with Denso since that was OEM. When it comes to electrical components, I try to be as close to OEM as I can.
Pros: OEM quality, reliable choice
Owner reviews for ignition coil
Manufacturers
Comparisons
I was told once by a distributor of many brands including Motorcraft that Bosch made the Triton coils. Our group sold thousands of them, with very little trouble.
Pros: very little trouble
Denso. Reputable company, good parts, I’ve seen them used with good results.
Pros: good parts, good results
DENSO is an OEM supplier and are pretty good IIRC.
Pros: pretty good
Get the Delphi coils, no need to buy genuine BMW.
Pros: good alternative to OEM
Vehicle:
BMW
I've had APR coils for over 50k now. No issues at all. Done 3 track days on the coils, and 2 on both the coils and plugs. Been stage 2 for over 30k now.
Pros: no issues, track-proven, long lasting
Vehicle:
Volkswagen Golf
Mileage: 80467 km
But once you get the R8 coils they lasted for a very long time.
Pros: very long lasting
Vehicle:
Volkswagen Golf
I have changed the ignition coils, spark plugs, MAP sensor, fuel filter, and ran fuel cleaner in the tank twice. The only time it seemed better was for a couple of months after I changed ignition coils (Bosch).
Pros: seemed better for months
Vehicle:
Volkswagen Beetle
Please get rid of those APR Ignition Coils and RS7 Spark Plugs. You are most likely encountering the misfiring from those alone.
Cons: misfiring from APR coils
Vehicle:
Volkswagen Golf
They’re made by Delphi but they are different internally than the Delphi gn10571 or whatever they are, in the aftermarket. I had misfire issues and strange electrical feedback with Delphi aftermarket.
Cons: misfire issues, strange electrical feedback
Vehicle:
BMW
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