2009 BMW 528i

The 2009 BMW 528i is part of the E60 5-Series generation, known for its blend of luxury, performance, and driver engagement. The 528i specifically came with a 3.0L naturally aspirated inline-6 engine (N52B30) producing around 230 horsepower and 200 lb-ft of torque. Other engine options included the 535i with a turbocharged inline-6 and the 550i with a V8. Transmission choices were typically a 6-speed manual or a 6-speed automatic. Owners generally appreciate the 528i’s comfortable ride, precise handling, and upscale interior. However, common complaints revolve around the higher cost of maintenance and potential for electrical issues, as well as some reliability concerns with certain engine components.

Engine

3.0L Inline-6 (N52B30)

• Oil Leaks (Valve Cover Gasket & Oil Filter Housing Gasket)
  • Description/Symptoms: Oil leaks from the valve cover gasket or the oil filter housing gasket, resulting in oil drips, burning oil smell, and low oil levels.
  • Solution: Replace the valve cover gasket and/or the oil filter housing gasket.
  • Estimated Cost to Fix: $200 - $500+
• VANOS Solenoid Failure
  • Description/Symptoms: Reduced engine performance, rough idle, and potential error codes related to the VANOS system.
  • Solution: Replace the faulty VANOS solenoid(s).
  • Estimated Cost to Fix: $200 - $400+
• Water Pump Failure (Electric)
  • Description/Symptoms: Overheating, coolant leaks, and potential engine damage.
  • Solution: Replace the electric water pump.
  • Estimated Cost to Fix: $400 - $800+
• Eccentric Shaft Sensor Failure
  • Description/Symptoms: Rough idle, misfires, reduced engine performance, check engine light. This sensor monitors the position of the Valvetronic eccentric shaft, which controls valve lift.
  • Solution: Replace the eccentric shaft sensor.
  • Estimated Cost to Fix: $500 - $1000+

Transmission

6-Speed Automatic (GM 6L45/6L50)

• Valve Body Issues
  • Description/Symptoms: Harsh shifting, slipping between gears, delayed engagement, transmission fault codes.
  • Solution: Replace or rebuild the valve body. In some cases, a software update might help, but replacement is often necessary.
  • Estimated Cost to Fix: $800 - $2000+
• Mechatronic Sleeve Leak
  • Description/Symptoms: Transmission fluid leak from the mechatronic unit, causing fluid loss and potential shifting problems.
  • Solution: Replace the mechatronic sleeve (seal).
  • Estimated Cost to Fix: $300 - $600+

Suspension

• Front Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps, vague steering, and uneven tire wear.
  • Solution: Replace the front control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $300 - $600+ per side.

Electrical

• Battery Drain
  • Description/Symptoms: Dead battery, difficulty starting the car, frequent jump starts needed.
  • Solution: Diagnose and repair the parasitic draw causing the battery drain. This could involve replacing faulty modules (e.g., comfort access module, radio, etc.).
  • Estimated Cost to Fix: $100 - $1000+ (depending on the source of the drain).
• iDrive System Issues
  • Description/Symptoms: Screen freezing, slow response times, system reboots, and occasional malfunctions of the iDrive controller.
  • Solution: Software updates may sometimes resolve the issue. Replacement of the iDrive module may be necessary in severe cases.
  • Estimated Cost to Fix: $200 - $1000+ (depending on the severity).
• Comfort Access System Malfunctions
  • Description/Symptoms: Keyless entry and start not working reliably, error messages related to the comfort access system.
  • Solution: Diagnose and repair or replace the faulty door handle sensors, antenna amplifier, or comfort access module.
  • Estimated Cost to Fix: $200 - $800+ per component.

Exterior

• Headlight Lens Clouding/Yellowing
  • Description/Symptoms: Headlight lenses become cloudy or yellowed over time, reducing visibility.
  • Solution: Polish the headlight lenses or replace the headlight assemblies.
  • Estimated Cost to Fix: $50 - $200+ (polishing) or $500 - $1500+ (replacement)

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof motor failure, sunroof getting stuck, or water leaks.
  • Solution: Repair or replace the sunroof motor, repair the sunroof mechanism, or address any water leaks.
  • Estimated Cost to Fix: $200 - $800+

Recalls

• None Found

Summary

The 2009 BMW 528i, while offering a luxurious driving experience, is prone to certain common issues. Engine oil leaks, electrical gremlins, and suspension component wear are among the most frequently reported problems. Transmission issues, though less common, can be costly to address. The severity of these issues can range from minor inconveniences to more significant mechanical failures, and the cost of repairs can be substantial, reflecting the higher maintenance costs associated with European luxury vehicles. Potential buyers should carefully inspect the vehicle’s maintenance history and consider a pre-purchase inspection by a qualified mechanic to identify any existing or potential problems.