AFE Silver Bullet Throttle Body Spacer 2000-06 BMW X5 (E53) V8-4.4/4.6L / 04-05 545i (E60) / 04-05 645i (E63/64) X5M This system incorporates a magnetic

This system incorporates a magnetic drain plug to capture loose particles for maximum rear-end protection

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the driver can fine-tune each mode per their driving style (e

(4) Worm-Gear Clamps

AFE Silver Bullet Throttle Body Spacer 2000-06 BMW X5 (E53) V8-4.4/4.6L / 04-05 545i (E60) / 04-05 645i (E63/64) X5M This system incorporates a magneticUsing a serrated helix design, this spacer creates turbulence in the air flow at the point just prior entry into the engine optimizing the combustion cycle. This turbulence helps the air fuel charge burn completely providing increased horsepower, torque and improved throttle response for your 2000 06 BMW X5 (E53) V8 4. 4 4. 6L 04 05 545i (E60) 04 05 645i (E63 64). This spacer works with the OE and aFe Power cold air intake systems. Serrated Helix