Originally Posted by
66 6
A short answer is none.
The automatics were sold as "life time" fluid so no one ever changed it. Fast forward to 120k+ miles and they start to take a dump. M3 auto is an entirely different animal and wiring so that's really not an option. Your best bet would swapping to stick. Next best would be sticking with a 325 auto but ensure you get the matching computer for the tranny.
FYI, I sell complete (yes, everything you need) 5speed getrag stick swaps for $500.
I also have 325 auto trannys for $100 with computer.
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