Stage One BMW Speaker Upgrade for E91 Wagon with Standard Hi-Fi e90 trunk spoiler the Precision Raceworks Port Inject

the Precision Raceworks Port Inject Kit fires all 4 injectors directly into the intake valves for even fuel distribution and ideal fuel atomization across all cylinders

Each injector is tested and calibrated using state of the art high pressure flow calibration equipment and then matched to a set of 6

Compact in size

The Precision Raceworks AN6 Fuel line upgrade is a direct replacement from the fuel filter on the driver’s side of the car to the high pressure fuel pump

Please make sure your vehicle is supported prior to purchasing

Stage One BMW Speaker Upgrade for E91 Wagon with Standard Hi-Fi e90 trunk spoiler the Precision Raceworks Port InjectGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS We took your factory BMW speakers and re engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music. PLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: We engineered the Stage One speakers