Originally Posted by mrad01
They are not going to use the N55 (or varient) in the next M3. The design of the N54 and N55 mills doesn't have the tuning and reliability creds they need for a e9x M3 V8 beater.
Pretty sure it will be a 8cyl TT putting out less than the nextgen M5 version.
Evidence is abound here in the forum, directly from BMW insiders, that this is absolutely not correct. Read up!