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Maxx E30 m5x swap Harness

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Maxx E30 m5x swap Harness


Introducing the ultimate solution for car enthusiasts looking to maximize their engine performance: our full replacement motorsport grade engine harness for MaxxECU STREET/V1/RACE/PRO and adapter harness for e30 chassis running BMW m50/s50/m52/s52 swap.


Our harness is specifically designed to meet the demands of high-performance engines and features a motorsport grade replacement engine harness for long VAG ignition coils (not included) and EV1 style injectors (OEM E36), starter and alternator wiring, an extra connector for boost solenoid, and VANOS wiring.


We've taken care of everything, including injectors, CLT, IAT, TPS, engine ground, idle solenoid, crank trigger, CAM, and LSU 4.2 connector, to offer you a full plug-and-play (PNP) solution for running a MaxxECU. All wiring is complete, except for large gauge power distribution wire to starter and fuse box, which you can keep from your OEM harness.


Experience a seamless installation process with our MaxxECU engine harness and adapter harness. Order yours today and get ready to unleash the full power of your engine.


We are pleased to be offering these following configurations:

  • E30 82-85
  • E30 86-87
  • E30 88-89
  • E30 90-94
  • Xi or M3 chassis we can tailor the harness for these application

We understand these drop downs may seem overly specific but we want you to have the correct harness for your application. 

All must be running m54 or obd1 e36 cam sensor. 


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