2008 BMW 335i

2008 BMW 335i

The 2008 BMW 335i is a high-performance luxury sedan known for its blend of handling, power, and comfort. It comes equipped with a 3.0L twin-turbocharged inline-6 engine producing 300 horsepower and 300 lb-ft of torque, paired with a 6-speed manual or 6-speed automatic transmission. Notable features include a refined interior, sleek exterior, and a wide range of safety and convenience features. However, there have been several reported issues with this vehicle.

Engine

• N54 Twin-Turbocharged Inline-6
  • Wastegate Rattle: Worn or loose wastegates can rattle or rattle under boost.
    • Solution: Replace the wastegates.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Carbon Buildup on Intake Valves: Over time, carbon can build up on the intake valves, reducing engine performance.
    • Solution: Clean or replace the intake valves.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • Oil Filter Housing Gasket Leak: A faulty gasket can cause a leak from the oil filter housing.
    • Solution: Replace the gasket.
    • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
• N55 Single-Turbocharged Inline-6 (Introduced in 2011)
  • High-Pressure Fuel Pump Failure: The fuel pump can fail, resulting in engine misfires and loss of power.
    • Solution: Replace the fuel pump.
    • Estimated Cost to Fix: $1,500 - $2,000+
    • Recalls: 20V-392

Transmission

• 6-Speed Manual
  • Shift Fork Wear: Worn shift forks can cause difficulty shifting gears.
    • Solution: Replace the shift forks.
    • Estimated Cost to Fix: $1,000 - $1,500
    • Recalls: None Found
• 6-Speed Automatic
  • Mechatronic Unit Failure: The mechatronic unit is the electronic control module for the transmission and can fail.
    • Solution: Replace the mechatronic unit.
    • Estimated Cost to Fix: $2,000 - $4,000+
    • Recalls: 10V-147

Suspension

• Rear Shock Absorber Mount Failure: Worn or broken shock absorber mounts can cause excessive noise and a rough ride. * Solution: Replace the shock absorber mounts. * Estimated Cost to Fix: $500 - $1,000+ * Recalls: None Found
• Front Control Arm Bushings Deterioration: Worn or deteriorated bushings can cause a clunking or rattling noise and a loose steering feel. * Solution: Replace the bushings. * Estimated Cost to Fix: $300 - $600 * Recalls: None Found

Electrical

• Faulty Ignition Coils: Faulty ignition coils can cause engine misfires and rough running. * Solution: Replace the ignition coils. * Estimated Cost to Fix: $400 - $600+ * Recalls: None Found
• Electrical Component Failures: Various electrical components, such as window switches, headlights, and taillights, can experience intermittent failures. * Solution: Repair or replace the affected component. * Estimated Cost to Fix: Varies depending on the affected component

Exterior

• Rear Quarter Panel Rust: Rust can form on the rear quarter panels, especially in areas where the paint has been damaged. * Solution: Repair or replace the affected area. * Estimated Cost to Fix: Varies depending on the severity of the rust * Recalls: None Found
• Loose Exterior Trim: Exterior trim pieces, such as door handles and mirror covers, can become loose and rattle. * Solution: Tighten or replace the trim pieces. * Estimated Cost to Fix: $100 - $300

Interior

• Instrument Cluster Pixels Fading: The pixels on the instrument cluster can fade or become dim over time. * Solution: Replace the instrument cluster. * Estimated Cost to Fix: $1,000 - $1,500 * Recalls: None Found
• Center Console Creaks or Rattles: The center console can develop creaks or rattles, especially on rough surfaces. * Solution: Tighten or adjust the console components or apply sound-dampening material. * Estimated Cost to Fix: $200 - $500

Summary

The 2008 BMW 335i is known for its performance and luxury features. However, it has several reported issues that can be costly to repair, particularly in engine, transmission, and electrical components. While some issues are relatively minor and inexpensive to fix, others can be more severe and require significant repairs. Potential buyers should carefully consider the potential costs associated with these issues before purchasing this vehicle.