Stage One BMW Speaker Upgrade for F36 with Harman Kardon X4 it’s like the same 200hp

it’s like the same 200hp motor in a 2

Note: To reach the advertised ability of these fuel pumps use of the Precision Raceworks in tank filter regulator assembly is required

Pressure/Voltage Relationship: Linear - 50kPa @ 0

(Aftermarket 2 piece charge pipe required)

Stage One BMW Speaker Upgrade for F36 with Harman Kardon X4 it’s like the same 200hpGET 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