The twin-turbo system on the 740Li can develop issues with wastegates, seals, or the turbo itself, leading to reduced power and potential engine damage. Estimated repair cost: $1500 - $3000.

Plastic components in the cooling system, such as the expansion tank or hoses, can become brittle with age and develop leaks. Estimated repair cost: $500 - $1500.

Electronic Control Unit (ECU) Malfunctions

The complex electronics in BMWs can be prone to issues with various control modules, leading to a wide range of symptoms. Estimated repair cost: $800 - $2000.

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2011 BMW 740Li Maintenance guide

Name: Maintenance dataset for 2011 BMW 740Li
Creator: Carfocal

v1.0Updated Jul 4, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2011 BMW 740Li, with its 3.0L 6-cylinder engine and 8-speed automatic transmission, presents an average reliability profile. A notable 161 Technical Service Bulletins (TSBs) suggest a history of known issues requiring attention.

View Critical Issue: Turbocharger Issues

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

161 TSBs | 0 Recalls

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Key Takeaways

The 2011 BMW 740Li has an average reliability rating, with a high number of Technical Service Bulletins (TSBs) indicating known issues.
Regular maintenance, including synthetic oil changes every 10,000 miles, is crucial.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance