Coding Cheat Sheet Exclusive - Bmw Esys
How to Code Your BMW with Your Phone - Automatic Start/Stop Memory
Updated mapping files (Lite version is sufficient for coding). 2. The Exclusive E-Sys Coding Cheat Sheet
| Feature | Module | Function | Value to Change | | :--- | :--- | :--- | :--- | | | HU_NBT / HU_MGU | RDC_SAFETY | aktiv | | Change TPMS to Tyre Temp Mode | DSC / DKOMBI | RPA_ALWAYS_ON / RPA_OPTION | aktiv | | Start in Sport / Eco Pro Mode | ICM | IcmKod_B_Sportauswahl | Change value for desired default mode | | Instant Fuel Consumption | KOMBI | DIGITAL_KVA_ANZEIGE | nicht_aktiv (to turn off digital consumption gauge) |
Always read and save your original FA (Vehicle Order) and SVT/ECU files before modifying anything. bmw esys coding cheat sheet exclusive
| Real Chassis/Model | E-Sys Target Selector | Notes | | :--- | :--- | :--- | | F01, F02, F03, F04, F07, RR04 | | Includes early Rolls-Royce models | | F10, F11, F12, F13, F06 | F010 | 5-series, 6-series Gran Coupe | | F20, F21, F22, F23, F30-F36, F80, F82, F83, F87, F88 | F020 | Covers 1, 2, 3, 4-series and M models | | F15, F16, F25, F26, F85, F86 | F025 | X3, X4, X5, X6 and their M counterparts | | F54, F55, F56, F57, F60 (MINI) | F056 | Do not force F020 on MINI platforms | | i3, i8 (First Gen) | I001 / I020 | i-series by generation | | G30, G31, G32, G38, G11, G12 (Early) | S15A | Early G-series set for 5,6,7 series | | G01, G02, G05, G07, G14, G15, G20 (2018+) | S18A | Later G/U-series platforms | | U06, U10, U11, U12, U025, U028 | U006 | New FAAR/UKL-based U-series (e.g., 2-series Active Tourer) |
Before diving into cheat codes, it's essential to understand the tools and terminology. E-Sys is BMW's factory-level engineering software, used to activate hidden features, perform module programming, and update firmware. Unlike consumer-grade OBD tools, E-Sys gives you full access to the vehicle's configuration data.
Function: FRM_EFFEKTIV (various options for SM_V) -> nicht_aktiv How to Code Your BMW with Your Phone
| Feature | ECU | Section | Parameter | Value | Hardware Requirement | |---------|-----|---------|-----------|-------|----------------------| | (GFHB) | LHM | 3530 | C_AFS_ENA | Werte=04 | Adaptive LED (5AC, 5AP) | | Rear fog as DRL | REM | 3062 | MAPPING_NEBELSCHLUSS_L_OUTPUT | nsl_l | Euro rear fog present | | Cornering light via fog | TMS | 3500 | ABBIEGELICHT_ALS_NEBEL | aktiv | F-series halogen |
: Remembers the last setting (on/off) instead of defaulting to "on" every time. Module : DME (Code with engine off).
Click the arrow, highlight the edited CAFD, and click Code FDL . To help refine your setup, let me know: What is your specific BMW model and production year ? | Real Chassis/Model | E-Sys Target Selector |
Alter the startup behaviors and shifting capabilities of your vehicle. Feature Description Section / Folder Function Name Original Value FEM_BODY / BDC_BODY 3020 TcMaster TCM_MSA_MEMORY aktiv nicht_aktiv Set Default Driving Mode to EcoPro/Sport FEM_BODY / BDC_BODY 3020 TcMaster FES_Fahrprofil_Default 02 (Eco) / 03 (Sport) 01 (Comfort) Enable Sports Automatic Transmission (2TB) EGS / KOMBI 3000 Control Unit Sports_Transmission aktiv nicht_aktiv 🛑 Best Practices for Coding with E-Sys
Do not rely solely on your battery. If the voltage dips during a write cycle, you can "brick" an ECU. Connect a (at least 20–50 amps) whenever you flash or code multiple modules simultaneously.
| Action | CAFD Path | Werte Value | Raw Hex Edit | |--------|-----------|--------------|----------------| | Remove startup iDrive legal disclaimer | HU_xx -> 3000 -> STARTUP_EMPTY | 01 | 00 → 01 | | M sport gauge layout (non-M) | BKOMBI -> 3000 -> M_GMBH | 02 | 00 → 02 | | 5 blink turn signal | BDC_BODY -> 3062 -> Blinkzyklen_Anzahl_Tippblinken | 05 | 02 → 05 | | Disable ASD (fake engine sound) | RAM -> 3000 -> ASD_SOUND_OFF | aktiv | nicht_aktiv | | Increase iDrive boot speed | HU_xx -> 3000 -> DELAY_FOR_STARTUP | 00 | 05 → 00 | | Remote window drop via key | BDC_BODY -> 3040 -> KOMFORT_OEFFNEN_FB | 01 | 00 → 01 |
A steady 12V+ battery maintainer (not a standard trickle charger) to keep car voltage above 13V during coding. 🛠️ Step-by-Step E-Sys Connection Workflow
| Function | Description | eSYS Code | | --- | --- | --- | | Read Vehicle Order (FA) | Reads the vehicle's order code | read_fa | | Read Vehicle Configuration (VO) | Reads the vehicle's configuration | read_vo | | Coding Authority (CA) Check | Checks the CA status | ca_check |