2007 BMW 325i

The 2007 BMW 325i is a popular entry-level luxury sedan known for its engaging driving dynamics and refined interior. The 325i came standard with a 3.0-liter inline-6 engine (N52B30) producing 215 horsepower and 185 lb-ft of torque. Other engine options for the 2007 3 Series included the 328i with an upgraded version of the 3.0-liter inline-6 and the 335i which had the option of a twin-turbo inline-6. Transmission choices included a 6-speed manual and a 6-speed automatic. Owners often appreciate the 325i’s responsive handling, comfortable ride, and elegant styling. Common complaints revolve around higher maintenance costs compared to non-luxury brands and some specific reliability issues.

Engine

N52B30 3.0L Inline-6

• Oil Leaks from Valve Cover Gasket
  • Description/Symptoms: Oil leaking onto the exhaust manifold, burning smell, visible oil residue around the valve cover.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Oil Filter Housing Gasket Leak
  • Description/Symptoms: Oil leak near the front of the engine, visible oil residue around the oil filter housing.
  • Solution: Replace the oil filter housing gasket.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• VANOS Solenoid Failure
  • Description/Symptoms: Rough idle, decreased fuel economy, loss of power, check engine light.
  • Solution: Replace the faulty VANOS solenoid(s).
  • Estimated Cost to Fix: $200 - $500+ per solenoid
  • Recalls: None Found
• Water Pump Failure (Plastic Impeller Models)
  • Description/Symptoms: Overheating, coolant loss, engine temperature warning light.
  • Solution: Replace the water pump (recommended to use a metal impeller replacement) and thermostat.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Eccentric Shaft Sensor Failure
  • Description/Symptoms: Long cranking, misfires, stalling, reduced engine power.
  • Solution: Replace the eccentric shaft sensor.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Transmission

GM 6L45R/A6 Automatic Transmission

• Valve Body Issues
  • Description/Symptoms: Harsh or delayed shifting, slipping between gears, erratic shifting behavior.
  • Solution: Replace or rebuild the valve body.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Cracked/Worn Control Arm Bushings
  • Description/Symptoms: Clunking or rattling noises from the front suspension, vague steering, uneven tire wear.
  • Solution: Replace the control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $200 - $600+ per side
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: Clunking noises from the suspension, especially over bumps, loose or wandering steering.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $300 - $700+ per pair
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: Dead battery, difficulty starting the car, electrical components malfunctioning.
  • Solution: Diagnose and repair the source of the parasitic drain (e.g., faulty module, aftermarket accessory).
  • Estimated Cost to Fix: Variable, could range from $100 to $1000+ depending on the issue.
  • Recalls: None Found
• Faulty Door Lock Actuators
  • Description/Symptoms: Door locks not working properly, doors not locking or unlocking with the key fob or interior switch.
  • Solution: Replace the faulty door lock actuator(s).
  • Estimated Cost to Fix: $200 - $400+ per door
  • Recalls: None Found
• Comfort Access Issues
  • Description/Symptoms: Comfort access system not working (keyless entry/start), requires pressing key fob to start.
  • Solution: Diagnose and repair the comfort access system (sensors, modules, wiring).
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• Rust on Trunk Lid near Taillights
  • Description/Symptoms: Rust bubbles or corrosion forming on the trunk lid, particularly around the taillight area.
  • Solution: Repair the rust (sand, treat, paint) or replace the trunk lid.
  • Estimated Cost to Fix: $300 - $1000+ (depending on severity and repair method)
  • Recalls: None Found

Interior

• Failed Window Regulator
  • Description/Symptoms: Window not moving up or down, window falling into the door, grinding noises.
  • Solution: Replace the window regulator.
  • Estimated Cost to Fix: $200 - $500+ per door
  • Recalls: None Found
• Sticking or Broken Cup Holders
  • Description/Symptoms: Cup holders not extending or retracting smoothly, cup holders breaking easily.
  • Solution: Replace the cup holder assembly.
  • Estimated Cost to Fix: $50 - $200+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, sunroof getting stuck, excessive noise during operation.
  • Solution: Diagnose and repair the sunroof mechanism (tracks, motor, switch).
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2007 BMW 325i, while offering a pleasant driving experience, has several common issues that potential buyers should be aware of. Engine oil leaks, suspension component wear, and electrical problems are prevalent. The severity of these issues can range from minor inconveniences to more costly repairs. Overall, the 2007 325i can be a rewarding vehicle to own, but requires diligent maintenance and attention to potential problem areas. Repair costs can vary significantly depending on the specific issue and the mechanic performing the work, so it is crucial to get multiple estimates before proceeding with any repairs.