Air Lift Viair 444C 2nd Compressor Kit - Black fits_2002-2008`BMW`7 Series Optional free-flow headers for maximum

Optional free-flow headers for maximum performance and sound quality

FRONT REAR SPRING RATES 18k Varies (See Below) UPPER MOUNT Aluminum w/ Hardened Rubber Bushings Varies (See Below)

Fits both S63 & S68 engines

more engaging F1 sound

Air Lift Viair 444C 2nd Compressor Kit - Black fits_2002-2008`BMW`7 Series Optional free-flow headers for maximumLooking to add an additional compressor to your Air Lift Management system? This is an additional compressor add on for any Air Lift management system that you are using with your Yellow Speed Racing Air Struts! An additional harness is included to add a second compressor to your 3p 3h management setup.