適用車型：寶馬335i 07-10; 135i/535i 08-10 L6-3.0L (tt) N54
重量:1kg
零件號：46-31002

英文網址：http://afepower.com/shop/details_new.php?partno=46-31002&filter&menu=gas&searchtype=word&keyword=46-31002&brandID=26

它安裝于節氣門和發動機之間。
作用是對進入發動機內的空氣進行重整，使空氣在發動機內更好地與霧化汽油混合，使其燃燒更加充分，從而增加燃燒效率。
內部為鋸齒/螺旋設計，使氣體以渦流方式進入發動機內，讓燃燒更加充分，在提升馬力和扭矩的同時也提高了油門響應。

AFE節氣門墊片安裝說明

英文說明:
Silver 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.

This throttle body spacer is 50-state legal (CARB E.O Number D-550-11).