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Oldude Oldude is offline
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Default PR Coil Install - 08-24-2020, 11:37 AM

I took the plunge and ordered a PR Coil Conversion. Way to many stumbles and misfires. Shortly after ordering I saw a few videos stating the stock air box, etc needed to be modified. My question is has anyone installed the coil pack on the hot side of the engine? There seems to be room. Anyone tried this?

J
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KevinC39 KevinC39 is offline
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Default 08-25-2020, 06:20 AM

I believe that's how their kit for the N54 is set up. I'm not sure if you could just run that version of it.
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Default 08-28-2020, 08:48 PM

So just to update. 3 of 6 coils had cracked ceramic, that was fun to dig out. No way will any coils fit on the hot side with out looking like a kindergartener installed it. Even after chopping the 4 cycling support bracket of the air box, the upper lid assembly sits about 3” to high to connect to the lower air box. So I guess I’m in the market for a BMS intake. Good news is that the lower box will sit firm with just 2 attachment points. I guess I could fab a bracket on my CNC to support to BMS I take. Oh, and the PR Coils are legit, logs show steady advance across the entire RPM band and their was a noticeable change in driving feel and idle.
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andrews013 andrews013 is offline
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Default 08-31-2020, 08:55 AM

Quote:
Originally Posted by Oldude
So just to update. 3 of 6 coils had cracked ceramic, that was fun to dig out. No way will any coils fit on the hot side with out looking like a kindergartener installed it. Even after chopping the 4 cycling support bracket of the air box, the upper lid assembly sits about 3Ē to high to connect to the lower air box. So I guess Iím in the market for a BMS intake. Good news is that the lower box will sit firm with just 2 attachment points. I guess I could fab a bracket on my CNC to support to BMS I take. Oh, and the PR Coils are legit, logs show steady advance across the entire RPM band and their was a noticeable change in driving feel and idle.
Too bad they cant be mounted cold-side. What turbo are you running again? And what fuel?


2013 E92 335i XDrive
JB4, MHD E85 BEF, EOS PI, Fuel-it Stage 2 LPFP, XHP Stage 3, XDelete Sport, 3.5 Bar TMAP, VRSF 7 HD IC, GFB DV+, VRSF D/P, VRSF CP, PE Mod, ST V1 Suspension.
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Oldude Oldude is offline
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Default 09-01-2020, 09:38 AM

I’m still running the stock turbo. I’m maxing that little guy out with E30/Meth. I was having some misfire from old coils and I plan I’m upgrading the turbo when this one finally kicks it so I figured what the hell and went ahead with the coils now.
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andrews013 andrews013 is offline
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Default 09-01-2020, 10:41 AM

Quote:
Originally Posted by Oldude
Iím still running the stock turbo. Iím maxing that little guy out with E30/Meth. I was having some misfire from old coils and I plan Iím upgrading the turbo when this one finally kicks it so I figured what the hell and went ahead with the coils now.
That's what I was hoping you would say. I'm doing the same thing (maybe a little more E85) and I'm having misfires occasionally on only a .018 gap.


2013 E92 335i XDrive
JB4, MHD E85 BEF, EOS PI, Fuel-it Stage 2 LPFP, XHP Stage 3, XDelete Sport, 3.5 Bar TMAP, VRSF 7 HD IC, GFB DV+, VRSF D/P, VRSF CP, PE Mod, ST V1 Suspension.
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Oldude Oldude is offline
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Default 09-01-2020, 11:26 AM

I tried going e40/50 but the car lost some responsiveness. Well, maybe not responsiveness, but didn’t respond well even with the E85 bef. Might try it again with the new coils. Might make a difference.
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