The 4.4L V8 engine can develop oil leaks, often from valve cover gaskets, oil pan gaskets, or the oil filter housing. These leaks can lead to low oil levels and potential engine damage if not addressed promptly. Estimated repair cost: $500 - $1,500.

Cooling System Issues

Over time, components like the water pump, thermostat, or radiator can fail, leading to overheating. The complexity of the V8 cooling system requires diligent maintenance. Estimated repair cost: $600 - $1,800.

The twin-turbo setup on the 4.4L V8 can experience issues with wastegates, seals, or the turbos themselves, leading to loss of power or reduced efficiency. Proper oil maintenance is critical. Estimated repair cost: $1,500 - $3,000+.

CARFOCALvehicle research

2017 BMW 550i Maintenance guide

Name: Maintenance dataset for 2017 BMW 550i
Creator: Carfocal

v1.0Updated Jul 4, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2017 BMW 550i, with its 4.4L V8 engine and All-Wheel Drive, presents a good reliability verdict (7.7 score) despite a high TSB count of 121. Owners should prioritize regular maintenance, particularly fluid changes and inspections, to mitigate potential issues suggested by the TSBs, as no recalls or complaints were reported.

View Critical Issue: Turbocharger Issues

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

121 TSBs | 0 Recalls

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Key Takeaways

No safety recalls or consumer complaints reported.
A high volume of Technical Service Bulletins (121) suggests potential for minor issues requiring attention.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance