Exterior Lighting Recall

Incorrect replacement left rear taillight assemblies installed, leading to non-compliance with FMVSS 108. This recall has been addressed by BMW. Estimated repair cost: Covered by recall.

Electric water pumps are known to fail, typically between 60,000 and 100,000 miles, leading to engine overheating and potential severe damage. Estimated repair cost: $700 - $1,500.

Leaks can develop from various components including hoses, radiator, and water pump. Estimated repair cost: $400 - $800.

Leaks can occur from valve cover gaskets, intake manifold, and PCV plate. Estimated repair cost: $600 - $1,200.

Power Steering Hose Failure

Power steering hoses can develop leaks over time. Estimated repair cost: $500 - $1,000.

CARFOCALvehicle research

2015 BMW 740i Maintenance guide

Name: Maintenance dataset for 2015 BMW 740i
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 BMW 740i presents a mixed maintenance profile. The most significant concern highlighted by owner complaints is a potential for catastrophic engine failure due to water ingestion through the front bumper intake, a risk particularly relevant in wet conditions.

View Critical Issue: Engine Water Ingestion

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Reliability Score

Est. Annual Maintenance Cost

Not available

TSBs & Recalls

128 TSBs | 1 Recalls

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Key Takeaways

The primary mechanical concern is the engine's vulnerability to water ingestion, potentially leading to catastrophic failure. Owners in wet climates should be particularly cautious.
A recall for exterior lighting (incorrect rear taillight assemblies) was issued, but this has been addressed.

4 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance