Wiring Problems of BMW X3

BMW X3 owners have reported 7 problems related to wiring (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of BMW X3 based on all problems reported for the X3.

1 Wiring problem of the 2025 BMW X3

Failure Date: 11/02/2024

A customer states check engine light on cause: wire repair 0000556 performing vehicle test (with vehicle diagnosis system) 5270wpb94 61-13-8-353-748 cable connector: 619900 61-13-5-a4f-528 shrinking hose: 619900 12-63-5-a55-720 integrated power supply charging battery (at support point in 1299000 w/t given to repair engine wiring harness 1263586 replacing power distribution module (after vehicle diagnosis) 5270wpb94 part#: 61-13-8-353-748 count: 1 claim type: auth code: arts duplicated complaint, checked fault memory total line a: and code cd8c23 lin bus code for coolant pump 5 stored, found engine harness rubbed on water pump pulley and shorted. Performed wire harness repair and also found fuse 021 blown inside integrated voltage supply module, replaced integrated supply module, and correctly routed harness and cleared codes.

2 Wiring problem of the 2006 BMW X3

Failure Date: 11/29/2017

Internal headlight wiring is extremely flaking off its insulation, revealing bare wires throughout both headlights. Both sections of the light are affected, xenon and halogen. Discovered during routine bulb replacement. Merely touching the wires caused extra flaking. Seems to be a potential electrocution/fire hazard.

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3 Wiring problem of the 2011 BMW X3

Failure Date: 04/17/2017

Vehicle electrical system has failed due to corrosion in wiring harness from leaking rear wiper fluid line. The wiper fluid line is bundled together inside the vehicle wiring harness. Wiper fluid line defective at time of vehicle assembly. Design engineering blunder to package a fluid line inside an electrical harness. Root cause for failure is manufacturer aware of the problem and have issued a service bulletin but manufacturer unwilling to repair under warranty due to lapsed warranty period not mileage criteria. Problem identified at 24,779 miles. More detailed description is attached. Vehicle safety systems, driving stability systems, cruise control function, have been compromised and do not function. Diagnostics systems and warning lights all stay lit on the dash. No way to tell if any of the electronic systems, emission systems, sensors and actuators are working properly.

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4 Wiring problem of the 2005 BMW X3

Failure Date: 10/28/2015

Air bags started blinking last week and now it just stays on. BMW website states my car is not cover in recent takata air bags recall. Also, yesterday when I was driving in rain car's windshield wipers started getting jerky, sticky and not working properly creating a dangerous driving. The cabin lights also started to go on & off during my drive home. . . When I reach home the radio stayed on when the car ignition was off and only turned off when I turn-off the radio. Check fuse and air bag wiring but so signs of loose wires and bad fuse. Cause of problems unknown. Problems remains unchanged today.

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5 Wiring problem of the 2014 BMW X3

Failure Date: 08/11/2015

Animal chewed electrical wiring on three different occasions rendering the car not drivable. Had to be towed three times. My car was parked in my garage the first two times and the third time in my driveway. I have all insurance documentation.

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6 Wiring problem of the 2004 BMW X3

Failure Date: 12/25/2012

Driving on freeway and driver's side seat heater overheated burning seat and creating abundant smoke inside car's cabin. This was a very dangerous situation on the freeway and I have no doubt that the seat would have caught fire if I hadn't felt the burning sensation early enough. Dealer stated that they had never heard of this happening and quoted $1200+ repair. Researched online and found many similar occurrences. Decided not to repair and chance the same happening again. Disconnected wiring to seat heater.

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7 Wiring problem of the 2005 BMW X3

Failure Date: 02/01/2012

The contact owns a 2005 BMW X3. The contact stated that the driver and passenger side heated seat function overheated. In addition, the air bag warning light remained illuminated and the key became difficult to release from the ignition. The vehicle was taken to the dealer. The technician diagnosed that the wiring needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 80,000.


Other Common Electrical System related problems of BMW X3



Safety Ratings of X3 Cars
Fuel Economy of X3 Vehicles
X3 Service Bulletins
X3 Safety Recalls
X3 Defect Investigations