2012 BMW 335i xDrive

Introduction:

The 2012 BMW 335i xDrive is a high-performance luxury sedan powered by a powerful 3.0-liter twin-turbocharged inline-6 engine mated to an 8-speed automatic transmission. It delivers impressive speed and handling, making it a popular choice among enthusiasts. However, certain issues have been reported by owners.

Engine

• N54 3.0L Twin-Turbocharged Inline-6
  • High-Pressure Fuel Pump (HPFP) Failure:
    • Description/Symptoms: Engine stuttering, power loss, check engine light
    • Solution: Replace HPFP
    • Estimated Cost to Fix: $1,000 - $2,000
    • Recalls: 14V-476
  • Fuel Injectors Sticking:
    • Description/Symptoms: Rough idling, hesitation during acceleration
    • Solution: Replace fuel injectors
    • Estimated Cost to Fix: $800 - $1,200
  • Turbocharger Wastegate Issue:
    • Description/Symptoms: Loss of boost, reduced engine performance
    • Solution: Replace turbocharger wastegate
    • Estimated Cost to Fix: $2,000 - $3,000
  • Timing Chain Tensioner Failure:
    • Description/Symptoms: Rattling noise on startup, power loss
    • Solution: Replace timing chain tensioner
    • Estimated Cost to Fix: $1,500 - $2,500
    • Recalls: 15V-314

Transmission

• ZF 8-Speed Automatic Transmission
  • Mechatronic Sleeve Wear:
    • Description/Symptoms: Hard shifting, delayed engagement
    • Solution: Replace mechatronic sleeve
    • Estimated Cost to Fix: $2,000 - $3,000
  • Torque Converter shudder:
    • Description/Symptoms: Vibration or shuddering during acceleration
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $1,200 - $2,000

Suspension

• Adaptive M Suspension (Optional)
  • Adaptive Damper Control Valve Failure:
    • Description/Symptoms: Rough ride, loss of adaptive suspension functionality
    • Solution: Replace damper control valve
    • Estimated Cost to Fix: $500 - $1,000

Electrical

• Electronic Control Unit (ECU) Failure:
  • Description/Symptoms: Various electrical malfunctions, engine issues
  • Solution: Replace ECU
  • Estimated Cost to Fix: $1,000 - $2,000
• Battery Drain:
  • Description/Symptoms: Battery goes dead prematurely
  • Solution: Identify and fix parasitic draw
  • Estimated Cost to Fix: $50 - $300

Exterior

• Headlight Condensation:
  • Description/Symptoms: Water droplets forming inside the headlights
  • Solution: Replace headlight gasket
  • Estimated Cost to Fix: $200 - $400

Interior

• iDrive System Freezing:
  • Description/Symptoms: iDrive screen stops responding to input
  • Solution: Software update or iDrive module replacement
  • Estimated Cost to Fix: $0 - $1,000
• Climate Control Malfunction:
  • Description/Symptoms: HVAC system not functioning properly
  • Solution: Replace climate control module or repair wiring
  • Estimated Cost to Fix: $500 - $1,500

Summary: The 2012 BMW 335i xDrive is a performance-oriented vehicle, but it does come with potential issues that owners should be aware of. Engine problems appear to be the most common, particularly with the twin-turbocharged inline-6 engine. Transmission issues can also be costly to repair. Electrical problems, suspension issues, and certain interior malfunctions should also be considered. The severity and cost of these issues vary, but it’s important for owners to stay informed and address any potential problems promptly to avoid further damage or inconvenience.