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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Upgraded Coils

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      01-10-2021, 01:50 PM   #1
hotchicken
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Henceforth and forevermore, the first modification I will make to a car is to add upgraded high performance ignition coils. I've done basically everything to my car short of upgrading the turbo. Next to the tune, this is the biggest bang regardless of bucks I have gotten out of anything. I used Bavarian Autosport.
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      01-14-2021, 11:07 AM   #2
XutvJet
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Waste of money and snake oil. The stockers work fine, even with more power. If one gives out, replace it with another OEM one.
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      01-14-2021, 11:16 AM   #3
hotchicken
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Quote:
Originally Posted by XutvJet View Post
Waste of money and snake oil. The stockers work fine, even with more power. If one gives out, replace it with another OEM one.
It could be that my stock coils had degraded. The car has 65,000 miles. But I'm telling you the truth, changing them has made a substantial and noticeable and real butt dyno detected increase in power.
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      01-14-2021, 12:24 PM   #4
hotchicken
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Quote:
Originally Posted by subzero05 View Post
Quote:
Originally Posted by hotchicken View Post
It could be that my stock coils had degraded. The car has 65,000 miles. But I'm telling you the truth, changing them has made a substantial and noticeable and real butt dyno detected increase in power.

when did you install those on the car?
I bought the car used last year. I don't know if those were the original coils or not. I just know that installing the new ones made a noticeable difference in power. No one has to believe it's true. Just sharing my experience.
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      01-19-2021, 12:07 PM   #5
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were your original coils showing issues? do you have any before and after logs?
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      01-19-2021, 01:00 PM   #6
hotchicken
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were your original coils showing issues? do you have any before and after logs?
I was having a bit of an extra long crank/start for a few months. I was hoping this might help, but that hasn't changed. It just overall runs better and pulls harder. I'm not a log guy, sorry.
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