2013 BMW 135i
2013 BMW 135i
Overview
The 2013 BMW 135i, often appreciated for its sporty driving dynamics and premium feel, generally presents a solid reliability record for its model year. Powered by potent turbocharged inline-six engines and available with robust transmissions, it offers an engaging driving experience. While it shares some components with other BMW models, specific attention to its unique powertrain and electronic systems is beneficial for long-term ownership. Owners typically report satisfaction with its performance, though like many performance-oriented vehicles, proactive maintenance and awareness of potential, albeit not widespread, issues are key to ensuring continued dependability.
Engine
3.0L Twin-Turbocharged Inline-6 (N55)
Water Pump Failure
- Symptoms: Overheating, coolant leaks, warning lights on the dashboard.
- Solution: Replacement of the electric water pump and thermostat.
- Cost: $700 - $1200
Turbocharger Issues
- Symptoms: Loss of power, whistling noises, increased oil consumption.
- Solution: Repair or replacement of the turbocharger assembly.
- Cost: $1500 - $3000
Fuel Injector Problems
- Symptoms: Rough idling, misfires, check engine light, poor fuel economy.
- Solution: Replacement of faulty fuel injectors.
- Cost: $800 - $1500
Transmission
8-Speed Automatic (ZF 8HP)
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
6-Speed Manual
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Suspension
Standard Chassis
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Electrical
General Electrical System
iDrive System Glitches
- Symptoms: Infotainment screen freezing, navigation issues, audio problems.
- Solution: Software updates or module replacement.
- Cost: $300 - $800
Sensor Failures
- Symptoms: Various warning lights (e.g., ABS, traction control), engine performance issues.
- Solution: Diagnosis and replacement of faulty sensors (e.g., ABS sensors, camshaft position sensors).
- Cost: $200 - $600
Exterior
Body and Trim
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Cabin Components
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Summary Verdict
The 2013 BMW 135i is a capable and enjoyable performance car with a generally good reliability record. The primary areas to monitor are the engine’s cooling system (water pump) and the turbocharger, as these can be costly repairs if they fail. Fuel injectors are another potential concern. The transmissions, both automatic and manual, are typically robust. Electrical gremlins, particularly with the iDrive system, can occur but are often resolved with software updates. Overall, with diligent maintenance and attention to known potential issues, the 135i can be a reliable and rewarding vehicle for enthusiasts.