gs6-53bz

I have coverted my M2 from an DCT auto to a GS6-53BZ 6 speed Manual. I am yet to drive the car but have stuffed the centre bearing whilst on the dyno on low power. The drive shaft looks a little stretched so I assume it’s too short for the conversion? Has anyone else attempted a similiar...

Please talk me through the current OEM fluid replacement for the N54 6MT (GS6-53BZ) in the 335i. Apparently I picked the wrong fluid once again for this stupid transmission, and Pentosin FFL-3 is for the N55 gearbox. :expressionless: If you're going to tell me run Redline ATF please leave the...