Turner Motorsport offers a variety of Performance Intake options for your BMW, including Genuine BMW, aFe Eventuri, Dinan, Gruppe M, Agency Power, and ECS Tuning.

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aFe Throttle Body Spacer - E60 550i E63 650i E53 X5 4.8is

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:4316

Part#: 46-31006

EO#: D-550-11

In Stock at Vendor

$ 182.70

This product was last offered at the strikethrough price on
01-06-2026

$ 139.00 USD

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Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque - +10 hp, +14 lbs/ft 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. This throttle body spacer is 50-state legal (CARB E.O Number D-516-2). Click here for installation instructions

This item fits the following BMWs:
2004-2010 E60 BMW 550i
2004-2010 E63 BMW 650i
2002-2008 E65 BMW 750i 750li
2004-2006 E53 BMW X5 4.8is

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aFe Throttle Body Spacer - E53 X5, E60 E63 E64

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

T#:2644

Part#: 46-31001

EO#: D-550-11

In Stock

$ 182.99

This product was last offered at the strikethrough price on
01-28-2026

$ 139.00 USD

Free Shipping

Add to Cart

Add to Wish List

Qty

$ 139.00 USD

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Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque - +5 hp, +2.5 lbs/ft 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. This throttle body spacer is 50-state legal (CARB E.O Number D-516-2).
This throttle body spacer fits the following BMWs:

E60 5 series : BMW 545i 2004-2005
E63 E64 6 series : BMW 645ci, + Convertibles 2004-2005
E65 E66 7 series : BMW 745i, 745li 2002-2005
E53 X5 : BMW X5 4.4i 4.6is 2000-2006

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