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Old 05-13-2012, 05:33 AM   #1
dylan323i
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s54 swap question 323i

do manual transmissions have a unit like the TCU (noob question i know) i assume not but just wanna be sure im currently just in the learning phase of this swap then college (auto mechanics) then job then swap i have gotten the pinouts for the engine (m3 and 323i) part of the swap and cross referenced also does anyone know about the body controls and what would be required for the dme change? any help is greatly appreciated oh ya and sorry for the lack of punctuation im on my phone =P
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Old 05-13-2012, 06:32 AM   #2
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Start reading:
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Old 05-13-2012, 07:01 AM   #3
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TCU?? BMW Noob, sounds like you are comming from VW land?
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Old 05-13-2012, 04:18 PM   #4
dylan323i
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ya i figured it out late last night what was needed to be done still wondering what about the tranny though

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Old 05-13-2012, 04:26 PM   #5
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TCU?? BMW Noob, sounds like you are comming from VW land?
nope bmw 1st car i've owned, and yes tcu you want i should spell it out? fine transmission control unit happy? and yes i am new to bmw....i havent been working on/with them my whole life thats why i asked the question.
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Old 05-13-2012, 07:19 PM   #6
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you want i should spell it out?

You should not be doing an engine swap.
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Old 05-13-2012, 07:43 PM   #7
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nope bmw 1st car i've owned, and yes tcu you want i should spell it out? fine transmission control unit happy? and yes i am new to bmw....i havent been working on/with them my whole life thats why i asked the question.
its called EGS here.

as for pin out no you need everything for S54 including DME transmission and diff and drive shaft.
can you imagine using the light duty 323 drive train to handle that much power and torque?
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Old 05-13-2012, 07:45 PM   #8
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Check out more recent S54 swap thread done by cyberkaa. Everything basic is covered.
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