Post
Research the Car Logo

2014 BMW M135i

Introduction

The 2014 BMW M135i is a high-performance hatchback powered by a 3.0-liter inline-six engine producing 320 horsepower and 295 lb-ft of torque. It comes standard with a six-speed manual transmission or an optional eight-speed automatic transmission. The M135i is praised for its impressive handling, responsive engine, and luxurious interior. However, it has received some criticism for its limited rear seat space and high price.

Engine

  • N55 3.0L Inline-Six
    • Fuel Pump Failure:
      • Description/Symptoms: Stalling or rough idling, especially when the fuel tank is low.
      • Solution: Replacing the fuel pump.
      • Estimated Cost to Fix: $1,000 - $1,500+
      • Recalls: None Found
    • Intake Valve Deposits:
      • Description/Symptoms: Reduced engine power, rough idling, or increased fuel consumption.
      • Solution: Cleaning or replacing the intake valves.
      • Estimated Cost to Fix: $500 - $1,000+
      • Recalls: None Found

Transmission

  • Six-Speed Manual
    • Clutch Failure:
      • Description/Symptoms: Difficulty shifting gears or slippage when accelerating.
      • Solution: Replacing the clutch.
      • Estimated Cost to Fix: $1,500 - $2,000+
      • Recalls: None Found
  • Eight-Speed Automatic
    • Mechatronic Unit Failure:
      • Description/Symptoms: Transmission slipping, shuddering, or refusing to shift gears.
      • Solution: Replacing the mechatronic unit.
      • Estimated Cost to Fix: $2,000 - $4,000+
      • Recalls: None Found

Suspension

  • Front Strut Mount Failure:
    • Description/Symptoms: Clunking or rattling noises when driving over bumps.
    • Solution: Replacing the strut mounts.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • Rear Shock Absorber Failure:
    • Description/Symptoms: Increased body roll, poor handling, or bouncing when driving over bumps.
    • Solution: Replacing the rear shock absorbers.
    • Estimated Cost to Fix: $400 - $800+
    • Recalls: None Found

Electrical

  • Battery Drain:
    • Description/Symptoms: Battery goes dead after sitting for a few days.
    • Solution: Identifying and isolating the source of the drain.
    • Estimated Cost to Fix: Varies depending on the cause
    • Recalls: None Found
  • Central Locking Failure:
    • Description/Symptoms: Doors cannot be unlocked or locked using the remote key or interior buttons.
    • Solution: Replacing the central locking module.
    • Estimated Cost to Fix: $300 - $600+
    • Recalls: None Found

Exterior

  • Door Handle Snapping:
    • Description/Symptoms: Exterior door handle breaks off when pulling.
    • Solution: Replacing the door handle.
    • Estimated Cost to Fix: $150 - $250+
    • Recalls: None Found
  • Headlight Condensation:
    • Description/Symptoms: Moisture or condensation forms inside the headlight housing.
    • Solution: Replacing the headlight assembly.
    • Estimated Cost to Fix: $400 - $600+
    • Recalls: None Found

Interior

  • Seat Belt Warning Chime Failure:
    • Description/Symptoms: Seat belt warning chime does not sound when the seat belt is not fastened.
    • Solution: Replacing the seat belt buckle.
    • Estimated Cost to Fix: $200 - $300+
    • Recalls: None Found
  • Sunroof Panel Malfunction:
    • Description/Symptoms: Sunroof panel gets stuck or fails to open or close.
    • Solution: Replacing the sunroof motor or control unit.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Summary

Overall, the 2014 BMW M135i has received generally positive reviews. However, there are some common issues that owners have reported. The most severe issues include fuel pump failure, clutch failure, and mechatronic unit failure, which can be costly to repair. Other issues, such as intake valve deposits, strut mount failure, and battery drain, are less severe but still require attention. It is important to note that not all vehicles will experience these issues, and the severity and cost of repairs can vary depending on the specific circumstances.

This post is licensed under CC BY 4.0 by the author.