G Series Overview
The G series is BMW's current generation platform, introduced starting in 2018. These vehicles use the MGU (Media/Head Unit Generation) infotainment system and are highly configurable through coding.
Chassis Reference
| Chassis | Model | Years | Platform |
|---|---|---|---|
| G20 / G21 | 3 Series Sedan / Touring | 2019–2025 | CLAR |
| G26 | 4 Series Gran Coupé | 2022+ | CLAR |
| G30 / G31 | 5 Series Sedan / Touring (pre-LCI) | 2017–2023 | CLAR |
| G60 | 5 Series Sedan (new gen) | 2024+ | CLAR WE |
| G05 | X5 | 2019+ | CLAR |
| G06 | X6 | 2020+ | CLAR |
| G07 | X7 | 2019+ | CLAR |
| G80 | M3 | 2021+ | CLAR |
| G82 | M4 | 2021+ | CLAR |
| G70 | 7 Series | 2023+ | CLAR WE |
Head Unit Generations
The head unit determines what coding options are available and which tool version you need.
MGU (ID6/ID7)
- Found in: G20, G30, G05, G80, G82
- Operating system: Linux-based
- Display: 10.25" or 12.3" center screen
- E-Sys compatible, BimmerCode compatible
MGU2 (ID8/ID9 — iDrive 8+)
- Found in: G70, G60, newer LCI models
- Operating system: Linux-based with curved display
- Display: 12.3" instrument + 14.9" center (curved)
- BimmerCode support varies; E-Sys requires newer PSdZData
Identifying Your Chassis
- VIN decoder — the 4th–8th characters of your VIN encode the model
- Vehicle menu — iDrive → Settings → General → Legal/Vehicle data
- Door jamb sticker — lists the model code
Common Modules
| Module | Abbreviation | Function |
|---|---|---|
| Head Unit | HU_MGU / HU_MGU2 | Infotainment, display settings |
| Body Domain Controller | BDC | Lighting, locking, comfort |
| Digital Motor Electronics | DME | Engine management |
| Instrument Cluster | KOMBI | Gauges, digital speedo |
| Advanced Driver Assistance | KAFAS2 | Camera-based driver assist |
| Seat Module | SITZM | Seat memory, comfort features |