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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Mon, Feb-10-2020, 02:30:50 AM   #21
Aus335iguy
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Default Re: BMW E90/E92/E93 M3 Binary Modification Tool Released

Quote:
Originally Posted by MartynT View Post
You can swap the final drive ratio without the DME caring. The DME software is the same for both manual and DCT cars.
I own a 335i DCT with the same gearbox as the e90 M3 as you know
I came across this comment and Im intrigued. Many owners have complained that their m3 doesn't like a final drive swap. Can someone explain what the story is ?
Also are there any utilities to alter the gearbox TCU software that any of you are aware of ? At the moment we are trying to get drive logic working on 335s and we've been successful but it takes a final drive change to make it work properly
The final drive in an E9x 335i is 2.xx and the M3 is 3.46(from memory) this results in flared shifts in the higher gears (using a 2.xx final drive with effectively an M3 gearbox)
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Discussing BMW E90/E92/E93 M3 Binary Modification Tool Released in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)