The twin-turbo system on the 740i can develop issues related to wastegate actuators, oil leaks, or turbo bearing wear. These can manifest as a loss of power or unusual noises. Estimated repair cost: $1,500 - $3,000.

Oil Leaks (Valve Cover Gaskets)

Valve cover gaskets are prone to drying out and cracking over time, leading to oil seepage onto exhaust components or the engine block. This can cause burning oil smells and potential misfires if oil fouls spark plug wells. Estimated repair cost: $500 - $1,000.

Coolant Leaks (Water Pump/Thermostat)

The electric water pump and thermostat housing can develop leaks, leading to coolant loss. Overheating can result if the system is not maintained, potentially damaging the engine. Estimated repair cost: $600 - $1,200.

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2011 BMW 740i Maintenance guide

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

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

MAINTENANCE SUMMARY

The 2011 BMW 740i presents an excellent reliability record with a score of 9.3, boasting zero recalls and complaints. This suggests a robust platform, but the lack of data warrants a focus on diligent preventative maintenance rather than specific known failure points.

View Critical Issue: Turbocharger Issues

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

0 TSBs | 0 Recalls

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Key Takeaways

Excellent reliability with zero reported recalls or complaints.
Focus on comprehensive preventative maintenance due to lack of specific known issues.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance