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Parts required for BMW E90 automatic to manual swap (part numbers included)

September 28, 2010

I am pretty sure I am one of the first list to put such a list together. Im cant guaranty this is all the parts you need for a manual conversion but it should cover most of it. Due to the relative youth of the E90 there isnt much information on how to do major things like transmission swaps so here it goes:

Flywheel / clutch assembly – 21207587368
Manaul transmission with Back up light sensor – GS6-17BG – TCBG
Whole shifter assembly
Set of alu. screws manual transmission – 23000392607
MTF-LT-3 Transmission Oil (lifetime)
Drive shaft 1565mm (automatic is 1477mm) – 26107551208
Pedal assembly – 35006762926 + clutch pedal 35316761310
Accelerat.pedal module, manual gearbox – 35426786286
Oil pan – 11137553164
Module, clutch switch – 61319122702
input cylinder clutch – 21526773670
output cylinder clutch – 21526785964
inlet pipe – 11537535829
Shift boot + knob – 25117547083
Interference-suppression band – 12427555222 + Hex bolt – 07119904094
Radiator – 17117559273 (automatic could still work it as it is used for “sport automatic” as the same fan is used)
refriderant pipe – 17127548223 (possibly as there is already one with the part number 17127548224)
Gearbox support – 22316771065
Rear differential – 33107524318 (but automatic could work also even though it has a slightly different part number)
wiring harness, engine trans. module – 12517566558
Eliminate dc/dc torque converter electrical box – MarkD says this is a separate transmission controller. It monitors the amount of torque from the motor and asks the main ECU to cut back power if it sees too much torque.

ECU/DME (computer) – After speaking with markD about this he informs me that “It’s usually the same DME but coded differently, and I have not been able to change an AUTO one to MANUAL as the coding is in another part of the DME that my tools do not modify.” I then proceeded t to ask him if one DME from one e90 could be swaped in to another e90 to which he responded “You can usually exchange a manual for a manual and auto for auto, but need to alighn the EWS”. So in theory you have two options, ether reprogram the current DME to become manual, or swap in a manual programmed DME and align the EWS (electronic immobilization system).

3 Responses to Parts required for BMW E90 automatic to manual swap (part numbers included)

  1. tsanko on October 18, 2010 at 10:05 am

    Wonderful ..thanks a lot for posting a good informitive blog

  2. badmash on October 23, 2010 at 6:33 am

    I just signed up to your blogs rss feed. Will you post more on this subject?

  3. jerry on July 7, 2019 at 2:46 am

    Can i convert bmw E90, 320i from manual to auto

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