The TMS ReFlex™ Harness Kit is a plug and play harness for the ReFlex Plus™ controller. No splicing or permanent modifications to your car are required, and it can be completely returned to stock if desired. This harness has been tested over many revisions and on many of the cars listed below. TMS Kits prioritize design, ease of installation, and engineering excellence.
In this video, we will be installing our TMS ReFlex™ Harness Kit on our M4’s S58 engine. This kit also applies on all B58 engines.
Compatible cars:
• 2023 BMW™ M2 G87
• 2022-present BMW™ 440i G42
• 2021-present BMW™ M4 G82
• 2021-present BMW™ M4 convertible G83
• 2021-present BMW™ M3 G80
• 2021-present BMW™ 240i G22
• 2020-present Toyota Supra™ A9X
• 2018-present BMW™ X3 M40i G01
• 2018-present BMW™ 340i G20
• 2016-2021 BMW™ M240i F22/F23
• 2016-2019 BMW™ 440i F32/F33/F36
• 2015-2019 BMW™ 340i F30/F31/F34
DISCLAIMER: TMS ReFlex™ Harness Kits are designed for competition closed course use only and require tuning from companies such as EcuTek™, BootMod3™, and MHD™. These kits may be used in conjunction with flex fuel; please note that exceeding the manufacturer’s recommended ratio of ethanol content without proper tuning may cause severe damage to the engine. Modifying a car can have legal implications and may void warranties. Additionally, it is essential to adhere to local regulations and safety guidelines when making modifications to your vehicle. Tensility Motor Sports does not accept liability for any mechanical, electrical, or other failure as a result of installation and use, or of improper tuning.
NO MODIFICATIONS: Under no circumstances should Tensility Motor Sports products be altered, modified, disassembled, or tampered with in any way. Any modifications to the products not expressly approved by Tensility Motor Sports will void the product warranty and may cause damage to the products or your vehicle, for which Tensility Motor Sports will not be responsible.