Originally Posted by ChitownM3
Guys, I had this problem when shifting into 3rd gear above 7000rpm, I told bmw about it and I had a new transmission in one day. Tell your dealer about it, grinding the gears is NOT NORMAL. BTW, the installation went fine, and the new trans feels great. Only problem is, nobody at the dealer can tell me if I'm supposed to get new trans fluid after 1200 miles or not.
If it's a brand new tranny then it would have the same break in period and fluid requirements as the original transmission. Seems like the dealer could make that inference through some simple deductive reasoning.