DME / Engine Management
Bosch Motronic, sensors, relays and fault diagnosis.
4 procedures
DME Control Unit Chip Installation
Step-by-step procedure for opening the DME control unit (and KLR on turbos), identifying and replacing the performance chip, and reassembling, including critical notes on chip orientation and ESD precautions.
PDF944 · 944S · 944 Turbo
DME Control Unit Removal and Installation
Procedure for removing and installing the DME control unit (and KLR anti-knock unit on turbo models) from early under-dash and late passenger footwell locations.
PDF944 · 944S · 944 Turbo
DME Wiring Diagram — 944 Turbo
Full-size DME wiring diagrams for the 944 Turbo, showing the complete wiring layout for the Bosch Motronic DME control unit.
944 Turbo
DME Wiring Diagram — Normally Aspirated 944
Wiring diagrams for the normally aspirated 944 DME. Note: these diagrams are sourced from the 911 DME and are described as similar but not identical to the 944 layout.
944 · 924S