Ignition coil Bosch or Denso

Denso Ignition coil

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
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Bosch Ignition coil

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
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Bosch Ignition coil
-Ev1l
  • Warning light:
Rating 5.0

my first bmw was a 2007 328i and kept having misfire issues. Tried 6 new coils from autozone, still had misfire issues, returned them and ordered Bosch. Misfire was gone.

Pros: misfire resolved
Vehicle: BMW
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Bosch Ignition coil

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
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