Hard Pipe and Blow Off Kit for BMW 135i, 335i, & 1M (N54 Engine) Spring:Blue Spring + 10mm Shim (-11 PSI) including downpipes and manifolds make

including downpipes and manifolds make them the perfect solution for performance & tuning projects

This will fit all models with N55 and S55 engines

The final result is a rewarding blend of sportscar-like control

and all fixtures

Pair of Black powder-coated aluminium heat shields

Hard Pipe and Blow Off Kit for BMW 135i, 335i, & 1M (N54 Engine) Spring:Blue Spring + 10mm Shim (-11 PSI) including downpipes and manifolds makeSuitable for the BMW 135i, 335i, & 1M fitted with the N54 Twin Turbo engine. This alloy hard pipe fits to the throttle body and incorporates our high flow blow off valve. This valve, expertly engineering by our R&D department, is the largest displacement valve that Forge have ever made! Featuring a 50mm (2) aluminium piston so that there are no issues with split diaphragms, we have not found the power handling limits of this valve yet! The piston uses