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66-31-5-B3A-D16 Genuine BMW Motorrad Front Radar Sensor

P/N: 66-31-5-B3A-D16 Manufactured by: BMW
Original price $880.00 - Original price $880.00
Original price
$880.00
$880.00 - $880.00
Current price $880.00
1 in Stock
Condition: New
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Description

The 66-31-5-B3A-D16 is a genuine BMW front radar sensor designed for select 2024–2025 BMW models featuring factory driver assistance equipment. This forward-facing electronic component monitors the area ahead of the vehicle, processing reflected radar signals to determine object presence and distance for compatible driving assistance functions.

Vehicle Compatibility

Year Vehicle Engine Trims
2025 BMW 228 Gran Coupe 2.0L L4 Gas xDrive
2024–2025 BMW 530i 2.0L L4 Mild Hybrid Electric/Gas —
2024–2025 BMW 530i xDrive 2.0L L4 Mild Hybrid Electric/Gas —
2024–2025 BMW 540i xDrive 3.0L L6 Mild Hybrid Electric/Gas —
2025 BMW 550e xDrive 3.0L L6 Plug-In Hybrid Electric/Gas —
2024–2025 BMW 740i 3.0L L6 Gas —
2024–2025 BMW 750e xDrive 3.0L L6 Plug-In Hybrid Electric/Gas —
2024 BMW 760i xDrive 4.4L V8 Mild Hybrid Electric/Gas —
2024–2025 BMW i5 Electric —
2024–2025 BMW i7 Electric —


General Specifications

Condition New
Part Number 66-31-5-B3A-D16
Brand BMW
Part Type Front Radar Sensor
Years 2024–2025
Vehicle BMW 228 Gran Coupe, 530i, 540i, 550e, 740i, 750e, 760i, i5, i7
Engine 2.0L L4, 3.0L L6, 4.4L V8, Electric
Position Front
System Driver Assistance
Sensor Type Radar Distance Sensor
Function Forward Object and Distance Detection


Product Features

The 66-31-5-B3A-D16 BMW front radar sensor is developed to support forward traffic monitoring through the vehicle's original radar-based assistance technology:

  • Scans the roadway ahead using transmitted and reflected radar waves
  • Determines the distance to detected vehicles and other objects
  • Designed for the specified front sensor installation position
  • Communicates forward detection measurements to compatible vehicle control electronics
  • Supports the operation of factory-equipped radar assistance functions
  • Connects through the designated electrical interface and mounting arrangement
  • Suitable for specified BMW combustion engine, hybrid, and electric models

Application Notes

The 66-31-5-B3A-D16 is intended for select 2024–2025 BMW 228 Gran Coupe, 530i, 530i xDrive, 540i xDrive, 550e xDrive, 740i, 750e xDrive, 760i xDrive, i5, and i7 vehicles equipped with the corresponding front radar system. Proper installation requires checking sensor placement, electrical connections, and any necessary alignment, calibration, or vehicle-specific electronic programming.

Always confirm the vehicle VIN, original front radar sensor number, mounting compatibility, and BMW calibration requirements before installation.

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