2010 BMW 335i

Introduction

The 2010 BMW 335i is a high-performance sports sedan that offers a thrilling driving experience with its potent engine and engaging dynamics. It is available with a choice of three engine options: a 3.0-liter inline-6, a 3.0-liter twin-turbocharged inline-6, and a 3.0-liter diesel inline-6. The twin-turbocharged engine produces an impressive 300 horsepower and 300 lb-ft of torque, while the diesel engine delivers 265 horsepower and 425 lb-ft of torque. The 335i comes standard with a six-speed manual transmission, but a six-speed automatic transmission is available as an option.

While the 335i is known for its performance and luxury, it has also been plagued by numerous issues that have been reported by owners. These issues range from minor inconveniences to potentially major problems that can affect the vehicle’s reliability and safety.

Engine

• 3.0-liter Twin-Turbocharged Inline-6
  • Intake Valve Deposits
    • Description/Symptoms: Carbon buildup on intake valves reduces airflow and can cause engine performance issues, including rough idling, loss of power, and increased fuel consumption.
    • Solution: Remove and clean intake valves and ports.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • High-Pressure Fuel Pump Failure
    • Description/Symptoms: The high-pressure fuel pump may fail, leading to engine starting problems, rough idling, and loss of power.
    • Solution: Replace high-pressure fuel pump.
    • Estimated Cost to Fix: $1,000 - $1,500+
    • Recalls: NHTSA Campaign Number: 19V411000
  • Turbocharger Wastegate Actuator Issues
    • Description/Symptoms: Turbocharger wastegate actuator may stick or fail, causing reduced engine power and increased fuel consumption.
    • Solution: Replace turbocharger wastegate actuator.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
• 3.0-liter Diesel Inline-6
  • Emissions System Issues
    • Description/Symptoms: Emissions system components such as the diesel particulate filter (DPF) or urea injection system may fail, leading to increased emissions and potential engine shutdown.
    • Solution: Replace or repair affected emissions system components.
    • Estimated Cost to Fix: $2,000 - $5,000+
    • Recalls: None Found

Transmission

• Six-Speed Automatic Transmission
  • Mechatronic Unit Failure
    • Description/Symptoms: The mechatronic unit, which controls the transmission’s operation, may fail, causing shifting problems, transmission slipping, or inability to shift gears.
    • Solution: Replace mechatronic unit.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found
• Six-Speed Manual Transmission
  • No Issues Found

Suspension

• Front Suspension Control Arms
  • Description/Symptoms: Front suspension control arms may wear prematurely, causing knocking noises, vibrations, and reduced handling stability.
  • Solution: Replace worn control arms.
  • Estimated Cost to Fix: $600 - $1,000+
  • Recalls: None Found

Electrical

• Electrical System Malfunctions
  • Description/Symptoms: Electrical system issues can manifest in various ways, including flickering lights, power window failures, or problems with the instrument cluster.
  • Solution: Diagnose and repair specific electrical components or circuits.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Exterior

• Sunroof Drain Plugs
  • Description/Symptoms: Sunroof drain plugs may clog, causing water to leak into the cabin during rainfall.
  • Solution: Clean or replace clogged drain plugs.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Interior

• Climate Control System Faults
  • Description/Symptoms: Climate control system may not function properly, leading to inconsistent temperature control or blower fan problems.
  • Solution: Diagnose and repair or replace faulty climate control components.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Navigation System Software Bugs
  • Description/Symptoms: Navigation system may experience software bugs that cause incorrect route guidance, system freezes, or connectivity issues.
  • Solution: Update navigation system software.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Summary

The 2010 BMW 335i offers an exhilarating performance and luxurious interior, but it is hindered by a number of potential issues. Engine problems, transmission failures, and suspension defects are among the most prevalent concerns. Electrical system malfunctions, sunroof drain issues, and interior component failures also contribute to the vehicle’s reliability woes. The severity and cost of these issues can vary significantly, making it crucial for potential buyers to be aware of the risks involved before purchasing a used 335i.