aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52 - 46-31011 fits_2001-2006`BMW`M3 The system uses factory mounting

The system uses factory mounting locations for an easy install that stays put under any driving condition

⚠️ Note: 2020+ models will require reusing OEM valve control

with zero compromise on drivability

Since production numerous installations have been completed and the fitment is guaranteed

AutoTecknic Dry Carbon Front Grille (Full Replacement Set)

aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52 - 46-31011 fits_2001-2006`BMW`M3 The system uses factory mountingThe serrated helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with other helix only styles. The addition of a Silver Bullet throttle body spacer lengthens the intake tract, which increases air intake speed, resulting in improved throttle response and overall performance. All