URGENT advise needed
Advise needed!
I own a E60 with a N53B30A, LCI E-shift 6HP21. My automatic transmission has started slipping and ive decided to repalce it with a low mileage/Km one. The question i have: i found another 6HP21 ehich came from another car with the same engine and same LCI E-shifter, but how do i know itll fit my car eintout any modifications needed like “plug n play”. Ive alot of people tell me these gearboxes are compatible from 3 series to 5 series if tbey got the same engine, but some “expert” told me it wont fit beciase thr entire shell is a diffrent size from a 5 serir in comperison of a 3 series and so wont work. I need someone to advise me on how it works and what is and is not compatible! Thanks in advance!!!! ( check pictures for my numbers on gearbox)
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