2007 BMW 335xi

Introduction: The 2007 BMW 335xi is a sports sedan that offers a dynamic driving experience with its powerful engine and all-wheel-drive system. It is available with a 3.0L turbocharged inline-6 engine and a 6-speed manual or automatic transmission. The engine produces 300 horsepower and 300 lb-ft of torque, providing excellent acceleration and handling. While the 335xi is a highly regarded vehicle, it has experienced some issues that owners should be aware of.

Engine

• N54 3.0L Turbocharged Inline-6 Engine
  • High-Pressure Fuel Pump Failure:
    • Description/Symptoms: The high-pressure fuel pump can fail, leading to loss of power or difficulty starting the vehicle.
    • Solution: Replace the high-pressure fuel pump.
    • Estimated Cost to Fix: $1,000 - $1,500+
    • Recalls: None Found
  • Turbocharger Wastegate Actuator Failure:
    • Description/Symptoms: The turbocharger wastegate actuator can fail, causing a loss of boost pressure and reduced engine performance.
    • Solution: Replace the turbocharger wastegate actuator.
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
  • Carbon Buildup on Intake Valves:
    • Description/Symptoms: Over time, carbon buildup can accumulate on the intake valves, reducing airflow and engine performance.
    • Solution: Manually clean or chemically decarbonize the intake valves.
    • Estimated Cost to Fix: $500 - $1,200
    • Recalls: None Found

Transmission

• 6-Speed Manual Transmission
  • Reverse Gear Synchronization Issue:
    • Description/Symptoms: Difficulty engaging reverse gear, especially when the transmission is cold.
    • Solution: Replace the reverse gear synchronization ring.
    • Estimated Cost to Fix: $1,200 - $1,800
    • Recalls: None Found
• 6-Speed Automatic Transmission
  • Shifting Hesitation or Slippage:
    • Description/Symptoms: The transmission may hesitate or slip during gear changes, especially when shifting into higher gears under load.
    • Solution: Replace or reprogram the transmission control module (TCM).
    • Estimated Cost to Fix: $1,500 - $2,500
    • Recalls: None Found
  • Mechatronic Sleeve Failure:
    • Description/Symptoms: The mechatronic sleeve can fail, causing a loss of fluid pressure and transmission failure.
    • Solution: Replace the mechatronic sleeve and transmission fluid.
    • Estimated Cost to Fix: $3,000 - $4,000
    • Recalls: None Found

Suspension

• Front Control Arm Bushings:
  • Description/Symptoms: The front control arm bushings can deteriorate, causing a clunking or rattling noise when driving over bumps.
  • Solution: Replace the front control arm bushings.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: The battery may drain prematurely, even when the vehicle is parked.
  • Solution: Identify and repair the parasitic draw on the battery.
  • Estimated Cost to Fix: Varies depending on the source of the drain
  • Recalls: None Found
• Alternator Failure:
  • Description/Symptoms: The alternator can fail, leading to a loss of charging power and electrical system failure.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $800 - $1,200
  • Recalls: None Found

Exterior

• Headlight Condensation:
  • Description/Symptoms: Moisture can accumulate inside the headlights, especially after car washes or rain.
  • Solution: Inspect and seal any leaks in the headlight housing.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Sunroof Drain Plugs:
  • Description/Symptoms: The sunroof drain plugs can become clogged, causing water to leak into the cabin.
  • Solution: Clean or replace the sunroof drain plugs.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Interior

• HVAC Blower Motor Failure:
  • Description/Symptoms: The HVAC blower motor can fail, resulting in reduced or no airflow from the vents.
  • Solution: Replace the HVAC blower motor.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Center Console Creaks and Rattles:
  • Description/Symptoms: The center console may experience creaks or rattles, especially when driving on rough roads.
  • Solution: Inspect and tighten any loose trim panels or components.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Summary: The 2007 BMW 335xi is a powerful and engaging vehicle. However, it has experienced some issues, particularly with its engine, transmission, and suspension. The severity of the issues varies, with some requiring minor repairs while others can be more expensive and time-consuming. Overall, it is important for potential owners to be aware of these issues before purchasing a used 335xi and to consider the potential costs associated with repairs.