The turbocharger on the N55 engine can fail due to oil starvation, carbon buildup, or wear. This is a significant repair impacting performance. Estimated repair cost: $1,500 - $3,000.

Fuel Injector Failure

Direct-injection fuel injectors can become clogged or fail, leading to misfires and rough running. This affects fuel delivery and engine performance. Estimated repair cost: $800 - $1,500.

Ignition Coil Failure

Ignition coils can degrade over time, leading to misfires and reduced engine performance. This is a common wear item on many modern engines. Estimated repair cost: $400 - $800.

Water Pump and Thermostat Failure

The electric water pump and thermostat can fail, leading to overheating. These are critical components for engine temperature regulation. Estimated repair cost: $600 - $1,200.

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2013 BMW 335i Maintenance guide

Name: Maintenance dataset for 2013 BMW 335i
Creator: Carfocal

v1.0Updated Jul 4, 2026Ryan Davis4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

The 2013 BMW 335i, with a combined MPG of 23, presents an average reliability profile. Owners should prioritize addressing potential issues with the turbocharger, fuel injectors, and ignition coils, common to the N55 engine.

View Critical Issue: Turbocharger Failure

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Reliability Score

Est. Annual Maintenance Cost

$700 - $1,200

TSBs & Recalls

388 TSBs | 2 Recalls

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Key Takeaways

Average reliability rating requires diligent maintenance.
N55 engine concerns include turbocharger, fuel injectors, and ignition coils.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance