Harvey Racing, LLC
Wiring harnesses for BMW motorsport engine conversions
08/06/2026
My girl Mei is stoked about these two E36 M3 S54 CANbus adapter harnesses! 🇺🇸
08/06/2026
My helper Cookie says he gives these two E30 M3 S54 adapter harnesses two paws up! 🐾 🇺🇸
07/03/2026
This is a CSL MAP & IAT adapter I made that a client requested. I can make more if you need one. I use genuine Bosch connector for the MAP sensor and genuine Kostal connector for the IAT sensor. The MAF connector is only available from China and I wasn’t sure what pins it uses, so the client sent me an adapter that includes it from Turner Motorsport. Now I know which pins it uses so I could order some from China. I replaced the wiring and pins since whoever is making them for Turner is using cheap Chinese stuff. For pricing I think $100.
07/02/2026
I’m able to offer S54 SMG to manual harness conversion for just $200.
06/17/2026
Who can make 3 S54 adapter harnesses at the same time?? Andrew can! 🙂 One of them even has the Z3M connectors! I can source them for just $40 extra.
The newly assembled Z3M cluster lives!
06/11/2026
My girl Mei likes this new Z3M CANbus instrument cluster for E36 S54 swaps and I think you will too. This is the first one I put together myself. Quite the learning process. Now I know I can make them. 😎 🇺🇸
06/07/2026
New Z3M faceplates are here! These are the best so far! Almost 100% perfect Z3M clone cluster! On the older ones parts of the fuel gauge are covered by the chrome rings.
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Damascus, OR
97009, 97015, 97030, 97080, 97089