After fitting a B58TU hpfp to Umars M140i a few weeks ago, we had it back in last week to fit a Vargas GC hybrid turbo and a BMS methanol injection kit. We managed to swap the turbo and have the meth kit installed all on the same day!!
Aaron bought the genuine BMW chassis brace and Powerflex rear subframe inserts from us. These parts together will really tighten up the rear end of the car and reduce the 'floaty' feeling common on these cars.