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.
Distance Systems, Cruise Control -- Repair (G12)
2021 BMW 740iSECTION Distance Systems, Cruise Control -- Repair (G12)
- 66 12 Radio Locking System
- 66 20 Park Distance Control (PDC)
- 66 20 510 Removing and installing/replacing control unit (Park Distance Control)
- 66 20 515 Remove and attach/replace left front ultrasonic sensor (Park Distance Control) (after vehicle diagnosis)
- 66 20 516 Remove and attach/replace right front ultrasonic sensor (Park Distance Control) (after vehicle diagnosis)
- 66 20 517 Remove and attach/replace left front center ultrasonic sensor (Park Distance Control) (after vehicle diagnosis)
- 66 20 519 Remove and attach/replace right front center ultrasonic sensor (Park Distance Control) (after vehicle diagnosis)
- 66 20 534 Removing and installing/replacing ultrasonic sensor, rear left (Park Distance Control) (after vehicle diagnosis)
- 66 20 535 Dismantle and install/replace right rear ultrasonic sensor (Park Distance Control) (after vehicle diagnosis)
- 66 20 536 Removing and installing/replacing ultrasonic sensor, rear center left (Park Distance Control) (after vehicle diagnosis)
- 66 20 537 Removing and installing/replacing rear right ultrasonic sensor, center (Park Distance Control) (after vehicle diagnosis)
- 66 20 545 Installing/replacing a rear ultrasonic sensor (Park Distance Control) (M aerodynamics package)
- 66 31 Active Cruise Control (Acc)
- 66 33 Lane Change Warning
- 66 32 110 Removing and installing/replacing sensor for front left lane change warning
- 66 32 120 Removing and installing front right lane change warning sensor
- 66 32 140 Removing and installing/replacing sensor for rear left lane change warning
- 66 32 150 Removing and installing/replacing sensor for rear right lane change warning
- 66 33 PMA
- 66 33 110 Remove and install ultrasonic sensor for parking assistant, front left
- 66 33 120 Remove and install ultrasonic sensor for parking assistant, front right
- 66 33 140 Remove and install ultrasonic sensor for parking assistant, rear left
- 66 33 150 Remove and install ultrasonic sensor for parking assistant, rear right
- 66 33 519 Replacing the control unit for the parking assistant
- 66 51 Front Camera, Lane Departure Warning Camera (Camera-Based Driver-Assistance Systems)
- 66 52 Interior Camera
- 66 53 Rearview Camera (RFK), Side View Camera, Top View Camera
- 66 53 020 Removing and installing rear view camera
- 66 53 060 Removing and installing left or right top view camera
- 66 53 120 Remove and install front camera
- 66 53 170 Removing and installing the control unit for the top rear side view camera (TRSVC)
- 66 53 524 Replacing the rear view camera (after vehicle diagnosis)
- 66 53 582 Replacing top view camera on left or right (after vehicle diagnosis)
- 66 53 621 Replacing front camera (after vehicle diagnosis)
- 66 53 671 Replacing control unit for top rear side view camera (After vehicle diagnosis)
- 66 54 Night Vision
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.