Our cars came with Pentosin 75W80
MTF3 no MTF2. Now BMW uses MTF5 & 6 I believe. The MTF3 has been superseded to MTF5, the last time I checked at my dealer.
MTF3 for a N54 135i...
https://www.realoem.com/bmw/enUS/sho...diagId=23_0926
MTF5 for the current F80 M3/M4's...
https://www.realoem.com/bmw/enUS/sho...diagId=23_1224
I use Redline's
ATF-D4 in my manual trans 135i. You can also use their D6 or MTL fluids in our manual transmissions as well.
Quote:
Originally Posted by Thunderguts
Sure, why not?
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Errr... well... you could screw up your transmission by using the wrong spec oil. There is a reason why BMW recommends certain fluids.
Oil does have a shelf life. After a few years of sitting on the shelf... the additives in the oil will start to separate out of suspension. I wouldn't use old oil in my lawn mower, much less my pride and joy. But that's just me.
Dackel