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Protocol

BMW Bus Systems: I-BUS and K-BUS protocol reference, message tables, and address maps.

24 articles

BMW I-BUS Seat Memory (SM) Module Reference

Explore the BMW I-BUS protocol's Seat Memory Module, covering its role, physical layer, communication parameters, packet structure, and more.

2026-05-24 Read →

I-BUS BMBT Bordmonitor Display Messages — IRIS System

Explore the I-BUS protocol's role in BMW's BMBT, covering physical layers, communication parameters, and practical message examples.

2026-05-24 Read →

BMW I-BUS Telephone Module (TEL) Protocol — 0xC8

Explore the BMW I-BUS protocol for the Telephone Module (TEL), focusing on device IDs, packet structure, and communication parameters.

2026-05-24 Read →

BMW K-Bus Body Electronics — Complete Reference

Explore the BMW K-Bus system, detailing its communication protocols, devices, and practical interfacing examples.

2026-05-24 Read →

I-BUS D-Bus, P-Bus and M-Bus — BMW Multi-Bus Architecture

Explore BMW's multi-bus architecture including I-BUS, D-Bus, P-Bus, and M-Bus, detailing their roles, communication protocols, and device integration.

2026-05-24 Read →

BMW I-BUS Error Handling and Timeout Behavior

Explore BMW I-BUS error handling, including collision detection, timeout behaviors, and practical implementation examples.

2026-05-24 Read →

I-BUS GM5 General Body Module — Message Reference

Explore the GM5 I-BUS messages, controlling door status, locks, windows, and more. Learn coding options via NCS Expert.

2026-05-24 Read →

BMW I-BUS Broadcast Messages Reference

Explore the intricacies of BMW's I-BUS broadcast messages, including global and device-specific broadcasts. Learn about packet structures, device IDs, and more.

2026-05-24 Read →

I-BUS NAV Navigation Module Protocol

Explore the I-BUS protocol for BMW navigation systems, detailing message structures, device IDs, and practical examples.

2026-05-24 Read →

BMW I-BUS EWS Immobilizer Communication

Explore the BMW I-BUS EWS immobilizer communication, focusing on EWS-DME sync, diagnostic tools, and message structures.

2026-05-24 Read →

I-BUS Speed, RPM and Vehicle Data Messages

Explore the I-BUS protocol, its physical layer, packet structure, and practical examples of vehicle data messages in BMW systems.

2026-05-24 Read →

I-BUS LCM Light Control Module Reference

Explore the I-BUS protocol for BMW's LCM, detailing its physical layer, communication parameters, and coding options.

2026-05-24 Read →

I-BUS CDC CD Changer Emulation Protocol

Explore the I-BUS protocol used in BMWs for multimedia control, focusing on the CDC CD Changer emulation and message structure.

2026-05-24 Read →

I-BUS MFL Steering Wheel Button Messages

Explore the I-BUS protocol, focusing on MFL steering wheel button messages. Learn about physical layers, packet structure, and interfacing.

2026-05-24 Read →

I-BUS IKE Instrument Cluster Messages

Explore the I-BUS protocol's role in BMW models, focusing on IKE messages, packet structures, and interfacing methods.

2026-05-24 Read →

I-BUS Radio (RAD) Messages Reference

Explore the I-BUS protocol for BMW's radio module, including message structure, device IDs, and interfacing techniques.

2026-05-24 Read →

How to Sniff BMW I-BUS Traffic with NavCoder

Learn to sniff BMW I-BUS traffic using NavCoder. Understand I-BUS architecture, packet structure, and hardware interfacing.

2026-05-24 Read →

BMW I-BUS Message Decoding Guide

Learn to decode BMW I-BUS messages, understand packet structures, and use software tools for analysis.

2026-05-24 Read →

I-BUS Physical Layer — Voltage, Timing and Wiring

Explore the I-BUS physical layer in BMW vehicles, focusing on voltage levels, wiring, and timing. Discover communication parameters, packet structures, and more.

2026-05-24 Read →

Complete BMW I-BUS Device Address Table

A comprehensive guide to BMW's I-BUS protocol, detailing device addresses, communication parameters, and practical interfacing examples.

2026-05-24 Read →

I-BUS Packet Structure and Checksum Calculation

Explore the I-BUS packet structure, checksum calculation, and interfacing techniques for BMW automotive systems.

2026-05-24 Read →

BMW K-BUS vs I-BUS Differences Explained

Explore the architectural differences between BMW's K-BUS and I-BUS systems, focusing on their topologies, speeds, and connected devices.

2026-05-24 Read →

BMW I-BUS Protocol Complete Overview

Explore the BMW I-BUS protocol: structure, communication, and practical examples. Learn about packet formats, device IDs, and interfacing.

2026-05-24 Read →
Pillar Guide

BMW I-BUS Protocol Overview — How It Works

A complete technical introduction to the BMW I-BUS (Infotainment Bus) protocol: architecture, message format, key module addresses, and how to start working with it.

2026-05-21 Read →