TRACTION CONTROLS ALL LEFT ON.
E90 N55 335i - Upgraded Turbo + FBO (VRSF 7.5 Intercooler, Catless DP, BMS Intake). Stock Plugs @ 0.025 and Coils + Turbosmart VR9 Dualport. Turbo Specs: 58.2/81.9mm 9 blade billet compressor 58.6/61.4mm 10 blade turbine