Haltech CAN to BMW E9X/E8X Conversion Box

Bring full factory functionality to your LS swapped BMW with the LSE9X Haltech CAN conversion box. This latest version of our proven CAN integration solution is designed specifically for Haltech Elite, Nexus, and Rebel ECUs, using Haltech’s IO12 expansion protocol for seamless communication with the chassis.

Key Features

• No DSC/ABS Errors – Maintains stability control system harmony without triggering dashboard faults.

• Working Tachometer – Full tach support integrated through the BMW cluster.

• Coolant Temp on Oil Gauge – Converts the 335i oil temperature gauge into a functional coolant temperature display.

• Cruise Control Stalk Support – Factory BMW cruise control stalk buttons transmit over CAN to Haltech ECU via IO12 protocol.

• Wheel Speed Integration – Front and rear wheel speed signals delivered directly to the ECU for traction control and advanced tuning.

• A/C Button Status – Air conditioning button signal transmitted over CAN to the Haltech ECU for proper functionality.
  

• Plug & Play Harness – Includes a Haltech-specific DTM4 harness, ready to connect inline without splicing.

Simple Installation

• Installs inline at the BMW DME/PT-CAN connection.

• Pre-terminated harness with OEM-style connectors.

• No wasted inputs – all signals transmitted via CAN.