I think it's possible to fit zf 6hp26 transmission instead of 6hp21 and flash the TCU
the 6hp26 is in 335d.
6hp26 can handle more power and there's 1000hp build kit for it
what do u think?
Alpina did this thing with the new 3 series, they swap the 8HP45 to 8HP70
the 6hp26 is in 335d.
6hp26 can handle more power and there's 1000hp build kit for it
what do u think?
Alpina did this thing with the new 3 series, they swap the 8HP45 to 8HP70