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.
61 21 008 Removing and installing (replacing) battery (auxiliary battery)
To ensure the correct safety and convenience functions, install only the original battery (battery size and type) stored in the vehicle order. OBSERVE NOTE ON BATTERY REPLACEMENT .
Necessary preliminary tasks:
- Disconnect NEGATIVE BATTERY CABLE
Remove caps (1).
Release screws underneath.
Tightening torque 61 21 7AZ .
Remove tank ventilation line (2) from battery (5).
Release screws (3).
Tightening torque 61 21 8AZ .
Remove retaining bracket (4) and battery (5).
Installation note:
Ensure that the battery (5) is correctly seated.
Replacement:
- Register battery replacement
NO RELATED
Use the Manual With the Right Hardware
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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.