Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
System Functions: Deadlocking
A locked and secured door cannot be opened either from the inside or outside.
The doors are secured when the driver's door is locked via the locking cylinder (only in conjunction with DWA or CA on the BMW 1-Series) or with the remote control.
Conditions:
- Terminal R OFF
- Driver's door or front-passenger door was opened
- Driver's door closed
When the vehicle is deadlocked, the anti-theft alarm DWA is also primed.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.