Module removal
How to remove the airbag module on a BMW
Bench technician guide to locating and removing the BMW SRS airbag ECU before a crash data file reset.
Removing the BMW airbag control module (SRS ECU) is the first step before reading an EEPROM/MCU dump and clearing crash data on the bench. This guide covers safe disconnect practice, typical module location on BMW vehicles, and how to match your part in the AIRBAG database.
Where is the airbag module on a
On most BMW models the SRS ECU sits under the centre console, typically between the front seats near the handbrake lever. Exact brackets vary by year and body style, so use the workshop manual for torque and trim clips when available. Look for a metal or plastic housing with multi-pin connectors - often with yellow SRS wiring.
Step-by-step removal
- Battery disconnect - Isolate the negative terminal and wait at least 15 minutes.
- Trim access - Remove the centre console or lower dash panels needed to see the module.
- Photograph labels - Capture the airbag part number, Maker marks, and any Memory chip ID.
- Unplug connectors - Release locks on SRS plugs; do not pull on wires.
- Unbolt and remove - Take the ECU to the bench for reading.
BMW-specific notes
BMW SRS modules often need coding after replacement or rewrite. Clear crash data first on the bench, then address CAS/FEM coding requirements as your workflow demands.
Match the dump before crash data reset
After removal, read the full memory image and confirm it matches the File size listed for your BMW airbag part number. Learn more in how airbag ECU crash data works, then use Search & upload to submit the dump.
Find BMW modules in the database
Filter the supported modules list by vehicle make BMW or paste the part number into Find for autofill of Memory and size.
Need help? Contact info@torquelab.co.uk with the part number and dump size.