e46

BMW I-Bus / K-Bus firmware for ESP32 and Arduino: control the lights, windows and locks of a BMW E46 from your phone over Wi-Fi, plus welcome lights and follow-me-home from the key fob. Schematics and wiring photos included.

BMW E46 cluster with in-game data send through CAN, K-Bus and digital outputs using SimHub as telemetry server

BMW I-Bus / K-Bus library (IBus / KBus) for Arduino, ESP32 and other microcontrollers: read, decode and send messages on classic BMWs such as the E46, E39, E38 and E53. Handles checksums, bus arbitration and transceiver sleep.

Siemens MS42 (0110C6) / MS43 (430069) DME, BMW M52TU / M54: reverse engineering, C166 disassembler and assembler, image checker, docs EN/RU. Paused.

Free, open-source, offline BMW diagnostics for E-series owners (E46, E90 and more): scan every module, decode faults and dash warnings, catch intermittent faults, track your car’s health over time, run graphed component tests and service functions, back up and code comfort modules. Windows, macOS, Linux.

Raspberry Pi Pico joystick controller for buttons, pedals & shifter from your Simrig

Read, back up, repair and rewrite the M35080 EEPROM in a BMW E46 instrument cluster, over an Arduino SPI bridge on Web Serial.

BMW E-Series (E46 & E60) Coding Parameters & ECU Tuning Database

Open-source BMW E-series diagnostics for Mac (K+DCAN, EdiabasLib). Not affiliated with BMW AG.

Ein kompaktes Interface, das SimHub-Telemetrie in Echtzeit auf BMW-Cluster-Signale für CAN- und K-Bus übersetzt – inklusive Licht-, Warn- und Backlight-Steuerung sowie Speed-Output.

E46M3SMG2 /// MAPPING — read, edit and check the E46 M3 SMG II calibration in the browser (TSUNAGI///M, MIT)

Tune a CSL-converted BMW E46 M3's MSS54HP DME from your own drive logs — Alpha-N VE from lambda, checksums corrected, direct DME read/log/flash over K+DCAN. Runs in the browser. (TSUNAGI///M, MIT)

TSUNAGI///Matrix — the BMW E46 M3 tools' calculations as a library, CLI and MCP server: MSS54HP BIN + Testo log → VE and rf_korr corrections, locally. MIT

E46M3 /// MONITORING — BMW E46 M3 diagnostics in the browser over DS2/K-line (Web Serial on desktop, WebUSB+FTDI on Android). Code only: the SGBD-derived ECU tables are generated locally, not published.

MSS54HP CSL CONVERT /// BOOT — back up an E46 M3 MSS54HP DME and plan its CSL conversion over OBD (TSUNAGI///M, MIT)