Radar Warning System With Blind Spot Detection For BMW 4 Series 2020–2024 Dual MmWave Rear Bumper Monitors

Enhance BMW 4 Series safety with the BSD Radar Warning System With Blind Spot Detection for 2020–2024. This advanced blind-spot assist uses two mmwave radars mounted on the rear bumper to monitor objects within 3 to 10 meters of your vehicle’s rear sides. When movement is detected, LED indicators light up and the corresponding side’s turn signal can flash, instantly signaling lane-change risk. A three-tone prompt can be heard if a moving object enters the sensing area, giving you timely warning before you merge or change lanes. Designed specifically for BMW 4 Series models (G22, G23, G26, M4) from 2020 to 2024, it also offers the option to customize the laser warning light pattern for your mirrors—simply send your original mirrors to our factory at any time. The product price remains the same, with tailored installation support.

Language support: OSD Language is English.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Benefits & Tips

• Reduce blind-spot risk during lane changes by receiving immediate visual and audible alerts when a vehicle or object enters your blind zone.
• Choose from two installation displays: lens-based alerts on the mirror lens or in-car display via the triangular window, giving you flexible integration with your cockpit.
• For BMW owners who want a fully customized look, ship your original mirrors to the factory and have the laser warning light pattern tailored to match your interior styling—without changing the price.

Product specifications

• Working voltage: DC 9–16 V
• Working current: DC 12 V, 430 mA ± 10 mA
• Operating temperature: −30 °C to +80 °C
• Static current consumption: ≤ 1 mA
• Waterproof rating: IP66
• Speed adaptation range: ±120 km/h
• Warning range: 3–10 meters behind the side
• Warning method: sound and LED lighting
• Startup mode: start with ACC
• Two mainstream display types: (1) Lens display with prompt light on the lens; (2) In-car display with warning light on the triangular window inside the car
• Key features: LCA (Lane Change Assistance), BSD (Blind Spot Detection), AOA (Active Overtaking Warning), B-pillar warning, RCTA (Reverse Crossing Warning), DOW (Door Opening Warning, optional)

Package includes:

• 1 x Radar sensor
• 2 x Power cord
• 1 x LED transconnection
• 1 x LED indicator light
• Blind area rear-view lens
• 6 x Steering and reversing inspection line
• 1 x Calibration card
• 1 x Radar bracket
• 4 x Screws
• 1 x Buzzer
• 1 x Instructions

Warnings / Reminders

• Radar signals cannot penetrate metal and can be interfered by fluorescent lights. Confirm installation conditions before mounting.
• Ensure the rear bumper area is plastic and there is no metal interference directly in front of the radar sensor’s emission surface.
• Avoid mounting the radar sensor facing fluorescent lamps to prevent signal disruption.

Notes on installation: The product supports both universal LED placement at the A-pillar or integration within the blind-area rear-view depending on the chosen configuration. The installation may require sending original mirrors for mirror-pattern customization while keeping the same price.

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