Your N55 will LOVE you after this upgrade! Compressor size increase of 30%, increased boost pressure, & backed by a 4 year, 50,000 mile warranty. Why wouldn’t you want to upgrade your Turbos? Not to mention this is also counts as 2 points towards your Dinan badge. #turnermotorsport #tms #dinan #n55 #bmw #bmwn55 #turbo #n55turbo