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      03-01-2022, 01:09 AM   #26
ab987
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Drives: 1M, 2xM3, X3M, 335i
Join Date: May 2020
Location: Seattle, WA

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2010 BMW M3  [9.60]
2011 BMW 1M  [10.00]
2008 BMW 335i  [9.25]
2020 BMW X3 M  [9.50]
Quote:
Originally Posted by mcp View Post
if you want numbers you're gonna have to get them yourself. if you're really that concerned just go with the B58s or even R8 coils.

You'll be fine with delphi or eldor, realistically you won't see spark issues till you're 700+ *(on new OE parts), and the first thing you do is always colder plugs gapped a bit smaller.
If I had the money for a nice power supply and waveform generator and the rest of the laundry list of equipment to measure spark energy, I would probably not even consider our relatively weak factory options. I'm simply commenting on the fact that there is a cult surrounding a relatively new coil (compared to Delphi/Bosch) that for whatever reason has been overlooked in the fantastic formal testing that this community has done. Just confusing.

Thanks for the assistance, guys. Maybe someday, a man can dream.
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