2007 BMW 120i
Introduction: The 2007 BMW 120i is a compact hatchback that was powered by a 2.0-liter naturally aspirated four-cylinder engine delivering 150 horsepower and 155 lb-ft of torque. It was available with either a six-speed manual or a six-speed automatic transmission. Owners praised the 120i for its agile handling, comfortable interior, and premium features. However, it was also criticized for its lack of power, especially when equipped with the automatic transmission.
Engine
2.0-liter N46B20
- Intake Manifold Issues:
- Description/Symptoms: The intake manifold can crack and cause vacuum leaks, leading to reduced engine performance and increased emissions.
- Solution: Replacement of the intake manifold.
- Estimated Cost to Fix: $700 - $1,000+
- Recalls: N/A
- Valve Stem Seal Issues:
- Description/Symptoms: The valve stem seals can fail, causing excessive oil consumption and blue smoke from the exhaust.
- Solution: Replacement of the valve stem seals.
- Estimated Cost to Fix: $1,000 - $1,500+
- Recalls: N/A
Transmission
Six-Speed Manual:
- No Issues Found
Six-Speed Automatic (GA6F21WA):
- Shifting Issues:
- Description/Symptoms: Erratic shifting, slipping, or hesitation during gear changes.
- Solution: Replacement of the valve body or transmission control unit.
- Estimated Cost to Fix: $2,000 - $4,000+
- Recalls: N/A
Suspension
- Front MacPherson Struts Issues:
- Description/Symptoms: Worn or damaged struts can lead to poor handling, clunking noises, and reduced ride quality.
- Solution: Replacement of the front struts.
- Estimated Cost to Fix: $600 - $900+
- Recalls: N/A
Electrical
- Battery Issues:
- Description/Symptoms: Faulty batteries can cause electrical problems, such as difficulty starting the vehicle or loss of power accessories.
- Solution: Replacement of the battery.
- Estimated Cost to Fix: $150 - $250+
- Recalls: N/A
- Electrical Harness Issues:
- Description/Symptoms: Damaged or frayed electrical harnesses can result in electrical malfunctions, such as flickering lights or non-functioning components.
- Solution: Repair or replacement of the affected electrical harnesses.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: N/A
Exterior
- Headlight Condensation Issues:
- Description/Symptoms: Moisture buildup inside the headlights, causing impaired visibility at night.
- Solution: Replacement of the headlights with updated versions.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: 07V253000, 07V335000
Interior
- Power Window Issues:
- Description/Symptoms: Power windows failing to operate properly, getting stuck, or moving slowly.
- Solution: Replacement of the associated window motor or switch.
- Estimated Cost to Fix: $250 - $500+
- Recalls: N/A
- Heater Core Issues:
- Description/Symptoms: Leaking heater core causing coolant loss and a sweet smell inside the vehicle.
- Solution: Replacement of the heater core.
- Estimated Cost to Fix: $600 - $1,000+
- Recalls: N/A
Summary: The 2007 BMW 120i has a mixed record in terms of reliability. While it is generally considered a well-built vehicle, it has been known to experience a number of issues, particularly with the engine, transmission, and electrical system. These problems can be expensive to repair, especially in the case of major components like the transmission or engine. However, the 120i also enjoys a reputation for being fun to drive and well-equipped, making it a popular choice among enthusiasts.