A significant risk of electrical fires has been reported, often originating from the fan blower and subsequent wiring failure. Estimated repair cost: $1500 - $5000+.

Engine and Engine Cooling System Failures

Failures in the engine and cooling systems, including radiator pump and oxygen sensors, can lead to powertrain malfunctions. Estimated repair cost: $500 - $2000.

Power Train: Driveline Malfunction

Driveline malfunctions can occur, sometimes linked to electrical voltage issues, leading to the vehicle shutting off. Estimated repair cost: $1000 - $3000+.

CARFOCALvehicle research

2015 BMW 750Li Maintenance guide

Name: Maintenance dataset for 2015 BMW 750Li
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 BMW 750Li demands vigilant maintenance, with a notable risk of electrical fires and powertrain failures at higher mileage. Prioritize inspections of the electrical system, especially wiring and blower motors, and monitor the cooling system for leaks.

View Critical Issue: Electrical Fire Risk

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Reliability Score

Est. Annual Maintenance Cost

$1000 - $2000

TSBs & Recalls

136 TSBs | 1 Recalls

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Key Takeaways

The 2015 BMW 750Li has a documented risk of electrical fires, primarily linked to the fan blower and wiring.
Powertrain and driveline issues are also common, sometimes requiring multiple repairs.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance