M139 265kW vs 280kW DIfferences?
Can anyone direct me to resources on the differences between the 265kW and 280kW editions of the M133?
I hear the facelift received an updated gearbox with changed ratios, and presumably something was done powerplant wise? Was it just a ECU map?
Thanks
"new valvetrain components and timing plus adjusted turbo settings amped up the A45 to a dizzying 376bhp and 350lb ft"


