2009 BMW 335d

Here is a comprehensive breakdown of common issues and complaints for the 2009 BMW 335d, formatted for your website.

The 2009 BMW 335d is a popular sports sedan praised for its impressive torque and fuel efficiency for a diesel-powered vehicle. It stood apart from the gasoline-powered 335i by offering a different driving experience with its low-end grunt. The 335d came exclusively with a 3.0-liter twin-turbocharged inline-6 diesel engine producing 265 horsepower and 425 lb-ft of torque and was paired with a 6-speed automatic transmission. People generally like the 335d for its fuel economy and available torque, and dislike the complexity of the emissions system and potential for expensive repairs.

Engine

3.0L M57 Diesel Engine

• Swirl Flap Failure
  • Description/Symptoms: Swirl flaps within the intake manifold can break and be ingested into the engine, causing significant engine damage. Symptoms may include rough running, decreased power, and a check engine light.
  • Solution: Replacing the intake manifold with an updated unit or deleting the swirl flaps altogether (requires tuning).
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found
• Vacuum Line Failure
  • Description/Symptoms: The vacuum lines that control the boost solenoids dry rot and crack, causing low boost and low power.
  • Solution: Replacing the vacuum lines, often with silicon lines.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found
• Glow Plug Failure
  • Description/Symptoms: Difficult starting, especially in cold weather, accompanied by a check engine light.
  • Solution: Replacing faulty glow plugs and the glow plug control module.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• EGR Cooler Failure
  • Description/Symptoms: Coolant loss, white smoke from the exhaust, and overheating.
  • Solution: Replacing the EGR cooler.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive smoke from the exhaust, and a whistling sound from the engine.
  • Solution: Replacing the faulty turbocharger(s).
  • Estimated Cost to Fix: $2000 - $4000+
  • Recalls: None Found
• Thermostat Failure
  • Description/Symptoms: Engine not reaching operating temperature, poor fuel economy.
  • Solution: Replacing the thermostat.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Transmission

6-Speed Automatic (GA6HP26Z)

• Mechatronic Sleeve Leak
  • Description/Symptoms: Transmission fluid leak near the electrical connector, leading to shifting issues.
  • Solution: Replacing the mechatronic sleeve and fluid.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Hard shifting, slipping, or failure to shift gears.
  • Solution: Replacing or rebuilding the valve body.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially over bumps, and vague steering.
  • Solution: Replacing the control arm bushings or the entire control arm.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Strut/Shock Failure
  • Description/Symptoms: Bouncy ride, excessive body roll, leaking fluid from the struts/shocks.
  • Solution: Replacing the struts/shocks.
  • Estimated Cost to Fix: $400 - $1000+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Car battery drains quickly, especially overnight.
  • Solution: Diagnosing and repairing parasitic draw (often caused by faulty modules).
  • Estimated Cost to Fix: $100 - $500+ (diagnostic time can vary significantly)
  • Recalls: None Found
• FRM Module Failure
  • Description/Symptoms: Loss of control over windows, lights, and other electrical functions.
  • Solution: Replacing or reprogramming the FRM module.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Exterior

• Door Handle Issues
  • Description/Symptoms: The door handle fails to open the door from the exterior of the vehicle.
  • Solution: Replacing the faulty door handle.
  • Estimated Cost to Fix: $150 - $400+
  • Recalls: None Found

Interior

• No Issues Found

Summary

The 2009 BMW 335d offers a unique blend of performance and efficiency, but it’s important to be aware of the potential issues that may arise. Engine-related issues, particularly concerning the swirl flaps, vacuum lines, and EGR cooler, are relatively common and can be costly to repair. Transmission problems, specifically those related to the mechatronic sleeve and valve body, are also important to watch out for. Suspension components like control arm bushings and struts/shocks may require attention as the vehicle ages. Electrical issues like battery drain and FRM module failures can also occur. Overall, potential buyers should factor in the cost of maintenance and potential repairs when considering a 2009 BMW 335d.