Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Roll Bar Control Module: Service and Repair




65 77 770 - Removing and installing (replacing) rollover controller





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).





Necessary preliminary tasks:
- Remove panel for passenger compartment partition





Release expansion rivets (1).
Fold back insulating mat (2).





Disconnect plug connection (1).
Release screws (2).
Remove rollover controller.





Function check with BMW diagnosis system:
- Trigger/retract rollover protection system Triggering/retracting Rollover Protection System (BMW Diagnosis System)