Are you planning on swapping your motor? This harness KIT will make the swap much easier. This is not a direct plug-and-play harness adapter. You will need to do some cutting and splicing on your BMW 2002. Please send us a message with the following information. 1 Chassis year and model : (Ex: 1972 2002). 2 New engine choice: (E36 M42). The E30 M42 and E30 M20 kits will use a high quality remanufactured c101 connector. Original connectors are No Longer Available. These kits can be used with. M42 (E30/E36, please specify). M44 (E36, please specify if using a Z3). C101 or X20 connector to plug into the new engine harness. 2 inline fuses with 15A fuses. 20 feet 16 AWG wire for fuel pump power. 2 relays and wiring. 2 female spade terminals for plugging into the fuse box. NO A/C wiring. If you have any questions, please feel free to ask.