aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) - 46-31001 Fabrication Each piece features reinforced clips

Each piece features reinforced clips and mounting tabs to ensure a secure

durable finish

Installation Note: Rear lower mount nut torque spec is 110nm (81 ft/lbs)

Pro 5R Oiled Media For Maximum Performance

aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) - 46-31001 Fabrication Each piece features reinforced clipsSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.