Quote:
Originally Posted by Eagle01
The oem bmw sparks are Bosch, the coils are Delphi.
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The most current model listed according to real oem and the coil thread is
12138657273. I had read that BMW had changed the manufacturer for N54 Coils to Eldor.
See the lookup in real OEM. The current part number is: 12138657273
I then looked up what that part number fits and it clearly states N54 US 1M Coupe.
I then looked up your part number 12138616153, and it appears to be an older version that goes back to the E46 M3 and is only listed for the N55 135i.
That is a different motor. It will most likely be OK but for the rest of us that will change them, I wanted to add this to make sure that people get the best, most current part number and coil.
BMW parts guys make mistakes too. A lot of them just assume 1M is same as 135i but 135i also came with N55 motor.
I also checked ECS and it does show the 153 for the 1M, so as I said, it is probably fine but the Eldor is the latest iteration. Since the old ones failed early, I would prefer to take my chances with the newer ones in case BMW changed manufacturer because of the high failure rate.