DE-Tuning BM3 Stage 2

NorthernM3 · 12-16-2023, 10:30 PM

I've been looking for a BSM F80 M3 6MT. Found one in my area but its tuned up significantly (list below).

With the parts list this car has, how feasible is it to de-tune it to a more manageable power level for comfortable daily driving and daily winter driving?

With the DP, cats and intakes I'm guessing de-tuning will affect the air/fuel mix, causing issues. Wondering what you guys think.

Pro Tuning Freaks bootmod3 + Paul Johnson Stage 2 tune
EVENTURI CARBON INTAKE V2 - BMW F8X M3/M4
WAGNER TUNING BMW S55 ///M DPs w200CPSI cats

Akrapovic BMW F80/F82 M3/M4 Evolution Link Pipe set
Akrapovic BMW F80/F82 M3/M4 Slip-On Line (Titanium) Muffler
Akrapovic BMW F80/F82 M3/M4 Tail pipe set - Carbon
Akrapovic BMW F80/F82 M3/M4 Carbon rear diffuser

rudebwoi · 12-17-2023, 11:13 AM

Like stage 1 OTS…?

hC1001 · 12-17-2023, 11:20 AM

I dont think it will be an issue. It should be within range for the computer to adjust fuel unless fuel injectors were changed. Also why are you scared of the power? You just need to drive accordingly. You can also use efficient mode and it will dull the throttle and power delivery.

How you treat the gas pedal determines how much power you want... You want to roll into the power and not stab at the gas pedal. You dont need to go full 100% throttle if you dont want to. After some time you will get used to the car and it will be more manageable.

M3SQRD · 12-17-2023, 12:15 PM

You could run Comp, CS, GTS or a stage 1 tune without issue. As for the winter, invest in a winter wheel-tire set and you’ll be amazed at how well the F8x can handle winter cold, rain, and snow. I’ve had zero issues driving e46 m3, e92 m3 and f82 m4 in winter weather. My wife’s had zero trouble driving her e92 m3 in winter conditions as well.

12-16-2023, 10:30 PM	#1
NorthernM3 Second Lieutenant 48 Rep 217 Posts Drives: 6MT M3 Join Date: Feb 2013 Location: North iTrader: (1)	DE-Tuning BM3 Stage 2 I've been looking for a BSM F80 M3 6MT. Found one in my area but its tuned up significantly (list below). With the parts list this car has, how feasible is it to de-tune it to a more manageable power level for comfortable daily driving and daily winter driving? With the DP, cats and intakes I'm guessing de-tuning will affect the air/fuel mix, causing issues. Wondering what you guys think. Pro Tuning Freaks bootmod3 + Paul Johnson Stage 2 tune EVENTURI CARBON INTAKE V2 - BMW F8X M3/M4 WAGNER TUNING BMW S55 ///M DPs w200CPSI cats Akrapovic BMW F80/F82 M3/M4 Evolution Link Pipe set Akrapovic BMW F80/F82 M3/M4 Slip-On Line (Titanium) Muffler Akrapovic BMW F80/F82 M3/M4 Tail pipe set - Carbon Akrapovic BMW F80/F82 M3/M4 Carbon rear diffuser
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12-17-2023, 11:13 AM	#2
rudebwoi Second Lieutenant 50 Rep 220 Posts Drives: 17 F82 6MT ZCP Mineral White Join Date: Oct 2009 Location: SoFlo iTrader: (2)	Like stage 1 OTS…?
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12-17-2023, 11:20 AM	#3
hC1001 Major 658 Rep 1,099 Posts Drives: E36 M3, F80 M3 Join Date: Nov 2019 Location: Brooklyn, NY iTrader: (4)	I dont think it will be an issue. It should be within range for the computer to adjust fuel unless fuel injectors were changed. Also why are you scared of the power? You just need to drive accordingly. You can also use efficient mode and it will dull the throttle and power delivery. How you treat the gas pedal determines how much power you want... You want to roll into the power and not stab at the gas pedal. You dont need to go full 100% throttle if you dont want to. After some time you will get used to the car and it will be more manageable.
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12-17-2023, 12:15 PM	#4
M3SQRD Major General 3333 Rep 7,010 Posts Drives: E92 M3,G20 330ix,F22 240iX,F82 Join Date: Jun 2009 Location: Mid-Atlantic iTrader: (12)	You could run Comp, CS, GTS or a stage 1 tune without issue. As for the winter, invest in a winter wheel-tire set and you’ll be amazed at how well the F8x can handle winter cold, rain, and snow. I’ve had zero issues driving e46 m3, e92 m3 and f82 m4 in winter weather. My wife’s had zero trouble driving her e92 m3 in winter conditions as well.
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