ECU swap, Ignition Module (EZL) swap, motor mounts should be the same.

Trans swap is a must, go for a 5 spd manual, if you can find one

Also, change the rear diff out !

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1994 E500 (MY SUNDAY DRIVER)
1993 190E SPORTLINE LE W/ M104 SWAP
1997 C230
2002 ML320
2000 BMW 528I (WIFEY'S CAR)

"Excuses are crutches for the unfounded."