BMW N55 Complete Engine Build Kit by 5150 AutoSport Valvetrain:SuperTech and VANOS system from oil-blowby

and VANOS system from oil-blowby and help maintain proper octane levels to reduce potential detonation

Review the installation instruction link above before ordering

Powerflex Upgraded Polyurethane Suspension Bushings for BMW F32 Rear-Wheel Drive 4-Series Models

Titanium retainers

and ported shroud for precision

BMW N55 Complete Engine Build Kit by 5150 AutoSport Valvetrain:SuperTech and VANOS system from oil-blowbyHave you been considering building your N55 powered BMW but weren't sure where to start? Unsure of what components to pair for the best possible power and reliability combination? We receive inquiries daily from N55 owners interested in building their engine but unsure where to start. The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW N55 internally and prepare your engine for high power, high boost