BMW N55/BMW B58 Blow-Off Valve kit

N55 and S55 kits are only available for BigBoost Turbo kits only

Hitting high boost spikes when letting off your throttle? Check this out!

Using a Turbosmart Raceport BOV get an awesome boost pressure discharge sound while keeping your turbo safe and happy!

What's Included:

B58:

• Upper Chargepipe
• Turbosmart GenV RacePort BOV
• Solenoid Valve
• Electronic Solenoid Valve Controller
• Hardware Kit

S55:

• Turbo to Intercooler Boost Pipe
  
• Turbosmart GenV RacePort BOV
• Solenoid Valve
• Electronic Solenoid Valve Controller
• Hardware Kit

N55:

• Turbo to Intercooler Boost Pipe
  
• Turbosmart GenV RacePort BOV
• Solenoid Valve
• Wiring Harness
• Hardware Kit

Video Link: https://www.youtube.com/watch?v=gUUdFX1wf5M 

Please check fitment guide on terms and conditions prior to ordering.

B58 BOV only fits stock manifold + Port Injection 

BigBoost Turbo shipping & returns

• Built to order: turbo kits are built to order and may take up to 15 weeks to ship.
• Returns: all returns need prior authorization (RMA) and must be authorized, shipped and received within 30 days. Parts sent back without an RMA may be refused. Final eligibility is decided after the part is received and inspected.

To start a return or ask a question, contact us with your order number.