aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26This Silver Bullet throttle body spacer produces up to 6 hp and 10 lbs. x ft. torque and is constructed from precision machined 6061 T6 billet aluminum. Using 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. This spacer

With the ability to upgrade the Unitronic Performance Software

M10 nut) are reused from the OEM end link

Available in Polished finish

developed and tested in-house Perfect fitment

5 inches / Rear 1

aFe laser etched

PLEASE  NOTE: Fitment is for Pre-facelift vehicles without automatic anti-dazzle ONLY

Replace your grey plastic factory valence on your B8 S4 with this high quality carbon fiber alternative by EuroGEAR

Available Options (select above):

Mk4 DTM7670 installation guide: DTM Compression reduction installation guide:

9 Grade 12

Introducing the all new RSe10 lightweight wheels