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.
52 14 886 Replacing Gas Cartridge For Crash-Active Headrest On Left Or Right
2012 BMW X5 50iSECTION 52 14 886 Replacing Gas Cartridge For Crash-Active Headrest On Left Or Right
WARNING:
Read and comply with SAFETY REGULATIONS
for handling airbag modules and pyrotechnical belt pretensioners.
Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.
Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.
Switch off the ignition!
Necessary preliminary tasks:
- Disconnect BATTERY NEGATIVE CABLE .
- Adjust head restraint towards top to maximum extent.
- A second person is required for this task.
IMPORTANT:
Renewal of pyrotechnics may be carried out up to 5 times.
Triggering frequency is denoted on the sticker on the head restraint carrier.
Labels are available as spare parts.
Triggering frequency is denoted on the sticker on the head restraint carrier.
Labels are available as spare parts.
Starting situation:
Head restraint is in the crash position after activation.
Unclip the pushbutton (1).
NOTE:
Preloaded spring behind pushbutton.
RENDER: 1.0x
NO RELATED
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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.