E21 M50, S50, M52, S52 Swap Wiring Harness Adapter

Are you planning on swapping a 24-valve M50, S50, M52, or S52 motor into your e21? These E21 engine swap harnesses are intended to make your engine swap a much easier process. Instructions will be included. With this simple plug-and-play adapter, you won’t have to deal with any wiring headaches. These kits are made with high-temperature automotive grade wiring that resists oils, grease, and acids. Continuity was tested on every wire during construction. Wrapped in high-temperature expandable nylon sheathing to resist abrasion. These adapters do not come with any sensors. If you have any special requests, feel free to contact us.

* Email [email protected] with any special requests after placing an order. Harness adapters will ship 2-3 days after your order is placed. All adapters are made to order. Because of this, neither returns nor exchanges are accepted.  All sales are final.