2013 BMW M135i

Introduction

The 2013 BMW M135i is a performance-oriented hatchback that packs a punch with its potent engine and agile handling. It is offered with a single engine option mated to a choice of a 6-speed manual or 8-speed automatic transmission. With its 3.0-liter turbocharged inline-6 producing 320 horsepower and 332 lb-ft of torque, the M135i delivers exhilarating acceleration and a thrilling driving experience. While it excels in performance, certain issues have been reported by owners, affecting various components of the vehicle.

Engine

3.0L Turbocharged Inline-6

• High-Pressure Fuel Pump Failure
  • Description/Symptoms: Difficulty starting the engine, engine stalling, or loss of power while driving.
  • Solution: Replace the high-pressure fuel pump.
  • Estimated Cost to Fix: $1,000 - $1,500
  • Recalls: None Found
• Turbocharger Wastegate Failure
  • Description/Symptoms: Reduced engine performance, rattling noises from the engine, or exhaust smoke.
  • Solution: Replace the turbocharger wastegate.
  • Estimated Cost to Fix: $1,500 - $2,000
  • Recalls: None Found

Transmission

6-Speed Manual

• Synchronizer Ring Wear
  • Description/Symptoms: Difficulty shifting gears, especially into 2nd or 3rd gear.
  • Solution: Replace the synchronizer rings.
  • Estimated Cost to Fix: $800 - $1,200
  • Recalls: None Found

8-Speed Automatic

• Mechatronic Unit Failure
  • Description/Symptoms: Transmission slipping, delayed gear shifts, or complete loss of gears.
  • Solution: Replace the mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $3,000
  • Recalls: None Found

Suspension

• Strut Mount Bearing Failure
  • Description/Symptoms: Clunking or rattling noises from the front suspension, especially over bumps.
  • Solution: Replace the strut mount bearings.
  • Estimated Cost to Fix: $500 - $800
  • Recalls: None Found
• Rear Axle Bushing Wear
  • Description/Symptoms: Excessive vibrations or noises from the rear suspension, especially during acceleration or braking.
  • Solution: Replace the rear axle bushings.
  • Estimated Cost to Fix: $400 - $600
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Difficulty starting the vehicle, dim headlights, or electrical systems malfunctioning.
  • Solution: Diagnose and repair electrical components causing excessive current drain.
  • Estimated Cost to Fix: $300 - $1,000 depending on the issue
  • Recalls: None Found
• ECU Software Glitches
  • Description/Symptoms: Intermittent engine performance issues, dashboard warning lights, or loss of functionality in various systems.
  • Solution: Update ECU software to the latest version.
  • Estimated Cost to Fix: $0 - $200 (if not under warranty)
  • Recalls: None Found

Exterior

• Paint Blistering
  • Description/Symptoms: Paint bubbles or blisters appearing on the vehicle’s exterior, especially near the rear fenders.
  • Solution: Repair or replace affected paint panels.
  • Estimated Cost to Fix: $500 - $1,500 per panel
  • Recalls: None Found

Interior

• Dash Panel Creaking
  • Description/Symptoms: Rattle or creaking noises from the dashboard or center console area.
  • Solution: Apply sound-deadening material or tighten loose fasteners.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found
• Heater Blower Motor Failure
  • Description/Symptoms: Lack of heating or cooling air from ventilation system.
  • Solution: Replace the heater blower motor.
  • Estimated Cost to Fix: $400 - $600
  • Recalls: None Found

Summary

The 2013 BMW M135i is a performance-oriented hatchback that delivers exhilarating driving dynamics. However, some issues have been reported by owners, ranging from engine and transmission problems to electrical and interior concerns. While these issues may not be widespread, they can affect the overall reliability and driving experience. The cost of repairs can vary significantly depending on the severity of the issue and the affected part. It is essential for potential buyers to research these issues and consider the potential repair costs before making a purchasing decision.