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.

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HOMESERVICE MANUALSBMW2023M3 BASE, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSDISTANCE SYSTEMS, CRUISE CONTROL -- REPAIR M3 (G80)66 31 ADAPTIVE CRUISE CONTROL SYSTEM66 31 616 REPLACING FRONT RADAR SENSOR LONG RANGE (M3 BASE, M3 COMPETITION, M3 COMPETITION M XDRIVE, M3 CS)INSTALL RADOME

2023 BMW M3 Base, Standard Trans

Install radome

2023 BMW M3 Base, Standard TransSECTION Install radome

Check the detents (2) and replace the radome as needed
The detents must not be damaged or missing
Mount the radome (1) on the ACC sensor (3) and engage it

Courtesy of BMW OF NORTH AMERICA, INC.

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.