SMG to Manual accelerator pedal. No more kick-down.

[heinzboehmer]

Taking the pedal off is actually really easy, it's just held in with a clip. But I guess you could pop the cover off with it still being in the car if you can get in there.

Breaking that clip is super easy though, so watch out.

[liam821]

Breaking that clip is super easy though, so watch out.

For sure! You gotta press a flat thin screwdriver in the slot on the left side of the pedal pushing down the clip on the bracket which the pedal slides into. Once you press down the clip on the bracket, you just wiggle it back and forth and it comes out.

[Jimbo85281]

For those interested, I removed the side panel and took out the kickdown switch without removing the pedal. It's real easy and took about 10 minutes. On my car (2002 M3) the tool required is a 5 point security torx size 10. Easy!

[heinzboehmer]

Sorta off topic, but just did this in an auto E82 (really don't like the kickdown even if it's an auto).

Pedal was more annoying to take apart because it's held together by clips, but it was significantly easier to remove from the car. Held in by a bolt and then it comes out:

[jayjaya29]

Thanks for the writeup. Detent has always felt strange to me.

[terra]

Just FYI, the auto and manual pedals are scaled differently. The manual pedal maxes out at 4.15v. The auto pedal hits 4.15v right at the kickdown switch, and then gets to 4.55v as you press the kickdown. The dme uses that higher voltage to determine whether or not it should put itself into kickdown mode.

[mtech9]

Just FYI, the auto and manual pedals are scaled differently. The manual pedal maxes out at 4.15v. The auto pedal hits 4.15v right at the kickdown switch, and then gets to 4.55v as you press the kickdown. The dme uses that higher voltage to determine whether or not it should put itself into kickdown mode.

So to confirm, if you have a converted car, if you floor it to the kick down, it would be exactly the same as pushing through the kick down?

[liam821]

Just FYI, the auto and manual pedals are scaled differently. The manual pedal maxes out at 4.15v. The auto pedal hits 4.15v right at the kickdown switch, and then gets to 4.55v as you press the kickdown. The dme uses that higher voltage to determine whether or not it should put itself into kickdown mode.

So how does the DME know which pedal is installed? If you converted a SMG to 6MT does it except 4.15v or 4.55v for WOT?

[terra]

So how does the DME know which pedal is installed? If you converted a SMG to 6MT does it except 4.15v or 4.55v for WOT?

DME treats 4.15v as WOT. If it goes above that and hits the kickdown threshold voltage (which is only possible if you have an SMG/auto pedal), it sets the kickdown flag on the CAN bus. The transmission controller sees said flag and does stuff

In a manual car I believe the can flag is still set if you happen to have an auto pedal, but nothing else really happens since nothing needs to respond to the kickdown status.

[AWE46M3]

Such a great mod. Just did this last month and rev matching is so so much better. The kickdown provided enough resistance that I never pushed beyond it during revmatching. Thanks for sharing!

[Rod.bearings]

For those interested, I removed the side panel and took out the kickdown switch without removing the pedal. It's real easy and took about 10 minutes. On my car (2002 M3) the tool required is a 5 point security torx size 10. Easy!

So is it a 5 point torx 10? Or a 6 point t8? I tried two different t8 6 points and nothing

[Rokoz]

I was prepared to buy a 6MT pedal to fix this - what a great thread!

[liam821]

So is it a 5 point torx 10? Or a 6 point t8? I tried two different t8 6 points and nothing

It's a 6-point T8 torx security bit. (i.e. the one with the hole in the middle)

[Rokoz]

I went an bought a new set of torx security bits from harbor freight and some of them came out easy. Others didn't want to accept the bit

I found this video on youtube that was helpful for getting the rest out and in hindsight I would just start with this:

https://www.youtube.com/watch?v=doHYppOBbf4

[liam821]

I went an bought a new set of torx security bits from harbor freight and some of them came out easy. Others didn't want to accept the bit

I found this video on youtube that was helpful for getting the rest out and in hindsight I would just start with this:
https://www.youtube.com/watch?v=doHYppOBbf4

Oh, that's great advice! Yeah mine came out, but a few of them were not easy for whatever reason.