BMW already showed off a similarly powerful version of this engine in the limited - run BMW M5 30th Anniversary Edition, which used higher turbo boost pressure and an enhanced engine computer to make the same exact horsepower and torque numbers as this new Competition Package M6. (automobilemag.com)
Replacement Turbo Boost Pressure Valve - Brand New is your dependable replacement product for your damaged part; guaranteed NEW - not reconditioned. (carparts.com)
A new intercooler and wastegate valve have forced a recalibration of turbo boost pressures, liberating 8 lb ft of torque more from the Vitara - based unit. (evo.co.uk)