BMW M135i fitted with JB4, downpipe, meth kit
and charge pipe
February 2015
M135i making 263wkw & 633Nm (with no adaptation) after a stock dyno of 212wkw & 463Nm (with downpipe).
Modifications:
- Jb4
- Downpipe
- BMS methanol injection
- ER charge pipe
SR Speedworx... your N55 leader
