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Summer Industries

BMW E9X LS Swap Harness

BMW E9X LS Swap Harness

Regular price $1,000.00 USD
Regular price Sale price $1,000.00 USD
Sale Sold out
Harness Version
Injector Connector

This is a plug and play engine harness for an LS motor to a Holley Terminator X Max ecu, specifically designed to fit in a BMW E9X chassis. 

This harness is built to order

Expected Lead Time: In Stock Ready to ship


Key Features: 

  • Perfect fitment for easy engine bay routing and a clean uncluttered look 
  • Retains normal Holley terminator features (Power tap connector, I/O connector, and CAN connector)
  • LSe9x Holley CAN to BMW CAN conversion box wiring harness is already integrated with this harness (conversion box not included)
  • A Breakout connector is integrated into the harness, along with a mating connector and terminals to connect your BMW key on and key cranking powers, CAN, throttle pedal, and fan signal to the Holley Terminator ECU
  • This harness uses a water and corrosion resistant fuse holder PDM with all the necessary fuses and relays to ensure safety to all of your components and most importantly your ECU
  • Designed to be used with 6 pin electronic throttle body.
  • The harness is already set up to power 1 fuel pump on a 30 amp circuit. (tested with Walbro 525lph fuel pump)
  • Integrated wiring to the starter solenoid with a 10 amp fuse for ease of install.  
  • Detailed installation instructions included to correctly integrate the electronics from the LS powerplant to you BMW E90

All harness's are wrapped in protective tape, resistant to dust and debris. Splices are sealed with adhesive shrink tubing, making sure no corrosion occurs. 

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