2009 BMW 335d

Introduction

The 2009 BMW 335d is a luxury sedan powered by a 3.0L twin-turbocharged inline-6 diesel engine mated to a 6-speed manual or 6-speed automatic transmission. It produces 265 horsepower and 425 lb-ft of torque. The 335d is praised for its impressive fuel efficiency (up to 30 mpg in highway driving), strong performance, and refined interior. However, it has also been criticized for its high maintenance costs and occasional reliability issues.

Engine

3.0L Twin-Turbocharged Inline-6 Diesel

• Vacuum Pump Failure:
  • Description/Symptoms: Noise from the engine compartment, loss of engine power
  • Solution: Replace the vacuum pump
  • Estimated Cost to Fix: $600 - $900+
  • Recalls: N/A
• Fuel Injector Failure:
  • Description/Symptoms: Hard starting, rough idling, loss of power
  • Solution: Replace the faulty fuel injector(s)
  • Estimated Cost to Fix: $400 - $700 per injector
  • Recalls: N/A
• EGR Valve Issues:
  • Description/Symptoms: Reduced engine performance, increased emissions
  • Solution: Clean or replace the EGR valve
  • Estimated Cost to Fix: $200 - $500
  • Recalls: N/A

Transmission

6-Speed Manual

• Clutch Failure:
  • Description/Symptoms: Difficulty shifting gears, slipping
  • Solution: Replace the clutch
  • Estimated Cost to Fix: $1,200 - $1,800+
  • Recalls: N/A

6-Speed Automatic

• Mechatronic Unit Failure:
  • Description/Symptoms: Gearbox malfunctions, transmission slipping or jerking
  • Solution: Replace the mechatronic unit
  • Estimated Cost to Fix: $2,500 - $4,000+
  • Recalls: N/A

Suspension

• No Issues Found

Electrical

• Electrical System Malfunction:
  • Description/Symptoms: Dashboard warning lights, intermittent electrical issues
  • Solution: Troubleshoot and repair the electrical component at fault
  • Estimated Cost to Fix: Varies depending on the issue
  • Recalls: N/A

Exterior

• No Issues Found

Interior

• Door Handle Issues:
  • Description/Symptoms: Door handles becoming loose or breaking
  • Solution: Replace the door handles
  • Estimated Cost to Fix: $200 - $350 per handle
  • Recalls: N/A

Summary

The 2009 BMW 335d is a performance-oriented diesel sedan with several potential issues. Engine problems, such as vacuum pump and fuel injector failures, can be costly to repair. The 6-speed automatic transmission’s mechatronic unit is also prone to issues. Electrical system malfunctions and door handle problems are less severe but can still require attention. Overall, the 335d’s high maintenance costs should be considered before purchasing, especially for long-term ownership.