2009 BMW 328i xDrive

The 2009 BMW 328i xDrive is a popular compact executive sedan known for its blend of sporty handling, luxury features, and all-wheel-drive capability. The primary engine option for this model is the 3.0-liter naturally aspirated inline-six (N52) producing 230 horsepower and 200 lb-ft of torque. Transmission options include a 6-speed manual and a 6-speed automatic. Owners often praise the car’s engaging driving dynamics, comfortable interior, and overall build quality. Common complaints include the cost of maintenance and repairs, and certain reliability issues that are typical of BMWs of this era.

Engine

N52 3.0L Inline-Six

• Valve Cover Gasket Leak
  • Description/Symptoms: Oil leaks are common as the valve cover gasket hardens and deteriorates over time. Symptoms include visible oil leaks on the engine, burning oil smell, and low oil levels.
  • Solution: Replacement of the valve cover gasket.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Oil Filter Housing Gasket Leak
  • Description/Symptoms: The gasket between the oil filter housing and the engine block can leak. Symptoms include oil leaks, visible oil on the engine block, and burning oil smell.
  • Solution: Replacement of the oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• VANOS Solenoid Issues
  • Description/Symptoms: The VANOS (Variable Valve Timing) solenoids can fail, leading to rough idling, decreased performance, and potential engine stalling.
  • Solution: Replacement of the faulty VANOS solenoid(s).
  • Estimated Cost to Fix: $200 - $400+ per solenoid
  • Recalls: None Found
• DISA Valve Failure
  • Description/Symptoms: The DISA (Differential Air Intake System) valve, which optimizes airflow into the engine, can fail, leading to a rattling noise, loss of power, and potential check engine light.
  • Solution: Replacement of the DISA valve.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Transmission

6-Speed Automatic (GM GA6L45R)

• Mechatronic Sleeve Leak
  • Description/Symptoms: The mechatronic sleeve, which connects the transmission’s electronic control unit to the valve body, can leak transmission fluid. Symptoms include fluid leaks and potential shift issues.
  • Solution: Replacement of the mechatronic sleeve and fluid service.
  • Estimated Cost to Fix: $400 - $700+
  • Recalls: None Found

Suspension

• Front Control Arm Bushings
  • Description/Symptoms: The front control arm bushings wear out, leading to clunking noises, vibrations, and poor handling.
  • Solution: Replacement of the front control arm bushings or the entire control arms.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Rear Subframe Bushings
  • Description/Symptoms: Deteriorated rear subframe bushings can cause a clunking noise from the rear of the car, vague handling, and excessive rear-end movement.
  • Solution: Replacement of the rear subframe bushings. This can be a labor-intensive job.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Excessive battery drain can lead to a dead battery and starting problems. This can be caused by a faulty module or electrical component not shutting down properly.
  • Solution: Diagnosis and repair of the parasitic draw. This could involve replacing a faulty module (e.g., comfort access module, radio) or repairing wiring.
  • Estimated Cost to Fix: $100 - $1000+ (depending on the source of the drain)
  • Recalls: None Found
• Window Regulator Failure
  • Description/Symptoms: Window regulator failure results in the window being unable to move up or down, or moving erratically.
  • Solution: Replacement of the window regulator.
  • Estimated Cost to Fix: $250 - $500+ per window
  • Recalls: None Found

Exterior

• Rust on Quarter Panels and Rocker Panels
  • Description/Symptoms: Rust developing on the lower rear quarter panels or rocker panels, especially in areas where road salt is used.
  • Solution: Repairing the affected panels or replacement of the rusted section.
  • Estimated Cost to Fix: $500 - $2000+ per panel, depending on severity

Interior

• Sticking/Malfunctioning iDrive Controller
  • Description/Symptoms: iDrive controller can become sticky, erratic, or completely inoperable.
  • Solution: Replacement of the iDrive controller.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: The sunroof can be prone to issues such as jamming, not opening/closing properly, or leaking.
  • Solution: Lubrication, repair, or replacement of the sunroof mechanism or seals.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2009 BMW 328i xDrive, while a desirable car, can be prone to certain reliability issues. Engine oil leaks, suspension wear, and electrical problems are common, leading to potentially costly repairs. The severity of these issues varies, but owners should be prepared for higher than average maintenance costs compared to some other vehicles in its class. Careful inspection and preventative maintenance can help mitigate some of these issues, but be prepared for potential problems.