Precision Raceworks ECU for BMW 3 Series G20 (2019+)

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The ECU and associated components are the brains of your BMW or MINI. If the ECU is faulty or parts such as the housings are compromised, it can lead to a host of issues! Ensure you replace your ECU/DME with the proper components to get your car back up and running properly! All listings below come directly from Genuine BMW or OEM suppliers such as Bosch.

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Plug And Play ReFlex Plus Install Harness - S58/B58

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:35761669

Part#: 201-0409

In Stock

$ 213.99

This product was last offered at the strikethrough price on
01-22-2026

$ 199.99 USD

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$ 199.99 USD

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The **Precision Raceworks S58/B58 Plug-and-Play Install Harness for the Motiv ReFlex+** is certified by Motiv Motorsports and is an essential upgrade for anyone integrating a ReFlex+ into their S58 or B58 vehicle. This Harness replaces only the signal and power sub harness portion of the Motiv Reflex. Standard universal Motiv ReFlex Plus harness required for use of this Plug and Play Harness - ES#4810312 / ES#4810314 This innovative harness eliminates the need for cutting, crimping, or splicing into your factory wiring, providing a straightforward, fully reversible installation. Simply plug it in, and you're ready to go! ### Why Choose the Precision Raceworks Harness? Although the main harness included with the Motiv ReFlex+ is well-designed, its standard sub-harness requires splicing into the factory wiring. Precision Raceworks addresses this by offering a plug-and-play replacement for the sub-harness. This solution retains the high-quality main harness, avoids unnecessary costs, and simplifies installation for seamless performance. ### Key Features of the Precision Raceworks X58 Harness: - **Motiv Motorsports Certified**, ensuring complete compatibility. - **100% Plug-and-Play** for a quick, hassle-free installation. - **Compatible with Tuning Platforms** such as MHD, MHD+, EcuTek, and BM3. - **Premium Build Quality**, manufactured in an ISO 9001-certified facility using automotive-grade wiring. - **Fast Installation**, completed in as little as one hour. - **Reversible Setup**, preserving the factory harness with no permanent modifications. The Precision Raceworks harness is the ideal choice for ReFlex+ users seeking a reliable, cost-effective, and user-friendly solution without altering their vehicle's original wiring.

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Precision Raceworks ECU for BMW 3 Series G20 (2019+)

Plug And Play ReFlex Plus Install Harness - S58/B58

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