Model bm402c & bu402c bm402c owner’s manual bu402c www.B2audio.Com.
Plug & play component kit is suitable for bmw best selling models: 1 series, 3 series, 5 series and so on. The speaker and tweeter fit into the factory location and use the factory connectors, you will enjoy the strongly improved sound quality with the help of the b2 audio sound upgrade system. High...
2 impedance model bm402c / bu402c 4 frequency response spl(1w/1m) resonance frequency mid-range 100hz-20000hz 87db 100hz-10000hz bm402c: 1 series (2004-2011)-e81/e82/e87/e88(front door) 3 series (2005-2011)-e90/e91(front door/rear door) e92/e93(front door), 5 series (2011-current)-f10/f11(front door...
4. Next replace the tweeter and re-insert the foam to the triangle housing. The below illustration shows that the tweeter is flushed perfectly into the door triangle housing (door triangle housing is not included in the b2 audio plug & play component kit, you can order the triangle part from your bm...
8. Replace the original mid-range speaker with b2 audio mid-range speaker, using the original bolts. Once the speaker mounting is done, reconnect the speaker wire and the provided crossover network&inline crossover. Then you have to fix the crossover network to the door panel (by using the double ad...
