DOES NOT INCLUDE COMPRESSSOR Utilize your existing BMW power steering pump and lines with little modification. Top mount LS style alternator mounts to clear either car or truck alternators (no Corvette Alternators). Low mount driver side Sanden 508 AC compressor. This setup is ideal for allowing full clearance on the passenger side for turbocharged applications or a simple bolt in ac compatible accessory drive.Includes all hardware and idler pulleys (no compressor or alternator). All brackets made from laser cut 1/4" steel powder coated wrinkle black (standard).Requires n52 power steering reservoir location or modified n54 location for alternator clearance. Power steering lines may require slight bending for clearance. Uses 6 rib n52 power steering pump pulley or 7 rib n54 pulley with the extra groove to the front. Not for use with n55 pulley.DOES NOT INCLUDE COMPRESSSORRequires Sanden 508 5H14 style 6 rib compressor. See photo below for reference.WILL NOT FIX X DRIVE BMW FRONT SUBFRAME DUE TO STEERING RACK LOCATION Belt length will vary based on parts used, stock trucks style alternator, f-body water pump and tensioner uses 6PK2605. Use this as a reference or starting point. DOES NOT INCLUDE COMPRESSSOR See instructions herehttps://lse90.com/blogs/documentation/accessory-drive-instructions