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M2 Technical Topics > Track / Autocross / Dragstrip > Swapping an F30 Brake Pedal for Easier Left Foot Braking

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      11-25-2020, 12:06 AM   #1
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Swapping an F30 Brake Pedal for Easier Left Foot Braking

I've only had my M2 a couple hundred miles, but one of the things that's annoyed me is how uncomfortable it is to left foot brake in it. It wasn't till I took a look at the pedals and compared them to my F31 that I noticed the M2's brake pedal was much slimmer. Well, it turns out you can easily swap the larger pedal from an F2x/F3x automatic transmission car into an F8x one to get a larger pedal!


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Originally Posted by Index
0:00 Intro and pedals comparison
2:23 Removing bottom cover
2:59 Removing the brake pedal assembly
5:15 Pedal assembly overview
6:29 Brake pedal assembly installation
7:48 Reinstalling the bottom cover
9:07 Conclusion
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      11-25-2020, 02:26 AM   #2
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Mandatory mod for the dct M2 imo, I fitted the large F20/30 brake pedal also.
As a long time tarmac rally/race competitor (21 years) I instinctly left foot brake whether it be manual (I also have 2 manual rally/race cars) or dct.
Modern electronics don't allow left foot braking on some modern cars (which may be BMWs reason) but you can usually get around this.
This is my 5th performance car with a dct transmission & all except the BMW had a large sized pedal that allowed for 2 foot driving.
What's the use in building a performance car with a performance transmission if you can't drive it in a performance manner, it defeats the purpose.
No doubt this mod will go over the head of many on here who simply won't understand.
*important to remember to transfer your original brake light switch over to the new pedal (they are different internally).
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Last edited by TargaM2; 12-17-2020 at 02:10 AM..
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      11-25-2020, 11:45 AM   #3
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Thanks for making/posting. Very nice and clear video! This is a mod I've been wanting to do for a long time.

Thanks again for sharing!
RJN

Last edited by rjn; 11-25-2020 at 12:21 PM..
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      11-25-2020, 03:14 PM   #4
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Did this on my E92 M3 with an E90 pedal as well; makes left foot braking super comfortable. Left foot braking ftw
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      11-28-2020, 01:28 PM   #5
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OH!!! Another thing that needs to go on the list of stuff to do.

I'm foot ambidextrous and use my left foot for braking the moment I get into performance mode or wanna make the chassis play around.
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      12-01-2020, 04:17 PM   #6
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My mind is BLOWN! Thank you for the inspiration! Cannot wait for my wife to now ask "did your car NOT have a brake pedal when you bought it?"
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      12-02-2020, 01:48 AM   #7
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Anyone knows the reason that BMW chose to have a smaller brake pedal for the dct trans? Tempted but I do want to know the engineers' reasoning.
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      12-02-2020, 04:58 AM   #8
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Quote:
Originally Posted by Fabb View Post
Anyone knows the reason that BMW chose to have a smaller brake pedal for the dct trans? Tempted but I do want to know the engineers' reasoning.
Something about the DCT being an "automatic-manual" and thus it deserves a manual pedal and not the plebian non-sporty auto pedal.

Surprised by this mod but then I only left foot brake on sims. Guess I gotta take the plunge on track.
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      12-02-2020, 12:00 PM   #9
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Quote:
Originally Posted by Megator View Post
Quote:
Originally Posted by Fabb View Post
Anyone knows the reason that BMW chose to have a smaller brake pedal for the dct trans? Tempted but I do want to know the engineers' reasoning.
Something about the DCT being an "automatic-manual" and thus it deserves a manual pedal and not the plebian non-sporty auto pedal.

Surprised by this mod but then I only left foot brake on sims. Guess I gotta take the plunge on track.
That makes sense. Left does help a lot when you trail braking. But I always feel like I need bucket seats to be able to properly left foot braking. Otherwise my left leg will be pulling left and right by the cornering g without anything to hold on to.
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      12-11-2020, 05:48 PM   #10
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FWIW I noticed in pics of the M2 CS-R that it comes with the larger 105mm brake pedal.

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      12-12-2020, 08:00 AM   #11
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Quote:
Originally Posted by FaRKle! View Post
FWIW I noticed in pics of the M2 CS-R that it comes with the larger 105mm brake pedal.

[img]https://pictures.topspeed.com/IMG/cr...-42_800x0.webp[/img]
Correct, as should any performance car fitted with a dct box (which most others do btw).
Those that only drive with 1 foot likely won't understand the requirement for the large brake pedal but left foot brakers & experienced track users definitely will, as can be seen above.
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