2004 BMW 320i
Introduction:
The 2004 BMW 320i is a luxury compact sedan powered by a 2.2-liter inline-six engine producing 170 horsepower and 162 lb-ft of torque. The engine is mated to a 6-speed manual transmission or a 5-speed automatic transmission. The 320i is known for its refined driving experience, handling, and interior quality. However, it has also faced criticism for its lack of power compared to other BMW models.
Engine
Engine Option: 2.2-liter inline-six
- Intake Manifold Failure:
- Description/Symptoms: The intake manifold may develop cracks or leaks, leading to engine misfires, reduced power, and poor fuel efficiency.
- Solution: Replace the intake manifold.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
- Intake Manifold Failure:
- Valve Stem Seal Failure:
- Description/Symptoms: The valve stem seals may fail, resulting in excessive oil consumption, exhaust smoke, and poor engine performance.
- Solution: Replace the valve stem seals.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
- Crankshaft Position Sensor Failure:
- Description/Symptoms: The crankshaft position sensor may fail, causing starting issues, stalling, and engine misfires.
- Solution: Replace the crankshaft position sensor.
- Estimated Cost to Fix: $200 - $400+
- Recalls: None Found
Transmission
Transmission Option: 6-speed manual
- Synchronizer Wear:
- Description/Symptoms: The synchronizers in the transmission may wear out, leading to difficulty shifting gears, especially into second gear.
- Solution: Overhaul or replace the transmission.
- Estimated Cost to Fix: $1,500 - $3,000+
- Recalls: None Found
- Synchronizer Wear:
Transmission Option: 5-speed automatic
- Torque Converter Shudder:
- Description/Symptoms: The torque converter may develop a shudder or vibration when the transmission shifts gears.
- Solution: Replace the torque converter.
- Estimated Cost to Fix: $1,000 - $2,000+
- Recalls: None Found
- Torque Converter Shudder:
Suspension
- Strut Mount Failure:
- Description/Symptoms: The strut mounts may fail, causing a knocking or rattling noise over bumps, and affecting handling and stability.
- Solution: Replace the strut mounts.
- Estimated Cost to Fix: $300 - $600+
- Recalls: None Found
- Control Arm Failure:
- Description/Symptoms: The control arms may develop cracks or bending, compromising handling and alignment.
- Solution: Replace the control arms.
- Estimated Cost to Fix: $400 - $800+
- Recalls: None Found
Electrical
- Alternator Failure:
- Description/Symptoms: The alternator may fail, resulting in electrical system problems, battery drain, and potential charging issues.
- Solution: Replace the alternator.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
- Electronic Control Module (ECM) Failure:
- Description/Symptoms: The ECM may experience software glitches or hardware failures, causing engine and transmission issues.
- Solution: Reprogram or replace the ECM.
- Estimated Cost to Fix: $500 - $1,500+
- Recalls: None Found
Exterior
- Headlight Moisture:
- Description/Symptoms: Moisture may accumulate inside the headlight assemblies, impairing visibility.
- Solution: Replace the headlight assemblies or seal the affected areas.
- Estimated Cost to Fix: $300 - $600+
- Recalls: None Found
Interior
- Dashboard Cracking:
- Description/Symptoms: The dashboard may develop cracks or warping over time, especially in areas exposed to direct sunlight.
- Solution: Replace the dashboard or repair the cracks.
- Estimated Cost to Fix: $500 - $1,500+
- Recalls: None Found
- Heater Blower Motor Failure:
- Description/Symptoms: The heater blower motor may fail, resulting in reduced or no airflow from the vents.
- Solution: Replace the heater blower motor.
- Estimated Cost to Fix: $200 - $400+
- Recalls: None Found
Summary
The 2004 BMW 320i faces potential issues in various components. Engine problems are mostly limited to the 2.2-liter inline-six, while transmission issues vary depending on the transmission type. Suspension components, electrical systems, and interior elements may also encounter problems. These issues can range in severity and cost, with some requiring extensive repairs. However, the 320i still offers a refined driving experience and is generally reliable compared to other luxury vehicles in its class.