2015 BMW M235i

Introduction

The 2015 BMW M235i is a high-performance compact coupe powered by a turbocharged 3.0L inline-six engine producing 320 horsepower and 330 lb-ft of torque. It is available with a 6-speed manual or 8-speed automatic transmission. The M235i is praised for its agile handling, responsive engine, and luxurious interior. However, it does have some reported issues that owners should be aware of.

Engine

• N55B30T0 3.0L Turbocharged Inline-Six
  • High-Pressure Fuel Pump Failure: The high-pressure fuel pump can fail, causing the engine to stall or hesitate. The issue affects pumps manufactured before July 2014.
  • Description/Symptoms: Engine stalling, rough idling, power loss.
  • Solution: Replace the high-pressure fuel pump.
  • Estimated Cost to Fix: $1,000 - $1,500+
  • Recalls: 15V-356

Transmission

• 6-Speed Manual Transmission
  • No Issues Found
• 8-Speed Automatic Transmission
  • Mechatronic Unit Failure: The mechatronic unit, which controls the transmission’s shifting, can fail, leading to rough shifting or loss of gears.
  • Description/Symptoms: Jerky shifting, delayed shifts, loss of gears.
  • Solution: Replace the mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: 16V-335

Suspension

• No Issues Found

Electrical

• Battery Discharge: The battery can discharge prematurely. The issue is more common in vehicles with the optional navigation system.
• Description/Symptoms: Battery drains quickly, difficulty starting the vehicle.
• Solution: Update the software or replace the battery.
• Estimated Cost to Fix: $200 - $500+

Exterior

• Sunroof Drain Tube Clogging: The sunroof drain tubes can become clogged, causing water to leak into the vehicle’s interior.
• Description/Symptoms: Water leaks from the headliner or pillars.
• Solution: Clean the drain tubes.
• Estimated Cost to Fix: $100 - $200+

Interior

• Infotainment System Lag: The infotainment system can experience lag or slow response times.
• Description/Symptoms: Slow loading screens, unresponsive buttons.
• Solution: Software update.
• Estimated Cost to Fix: $0 (software update is typically free)

Summary

The 2015 BMW M235i is a well-received vehicle that offers impressive performance and refinement. However, it has some reported issues that owners should be aware of, particularly with the high-pressure fuel pump and mechatronic unit. The severity of the issues can vary, and the cost of repairs can be significant. It is important for potential buyers to do their research and consider the potential risks before making a purchase decision.