2009 BMW 128i
2009 BMW 128i
Overview
The 2009 BMW 128i, part of the E82/E88 generation, is generally regarded as a reliable vehicle, particularly known for its engaging driving dynamics and premium feel. It typically came equipped with a naturally aspirated inline-six engine and a choice of manual or automatic transmissions. While BMWs are known for their performance, they also require diligent maintenance. This analysis focuses on common reported issues beyond routine maintenance, highlighting areas that may require attention for owners of this model year. Overall, the 128i offers a solid ownership experience when properly cared for, with a strong emphasis on its mechanical components.
Engine
3.0L N52B30 I6 (Naturally Aspirated)
Valve Cover Gasket Leak
- Symptoms: Oil smell in the engine bay, visible oil leaks around the valve cover, potential for oil to drip onto exhaust components.
- Solution: Replacement of the valve cover gasket and potentially the valve cover itself if warped.
- Cost: $300 - $600
Oil Pan Gasket Leak
- Symptoms: Oil spots under the vehicle, oil smell, potential for low oil level warnings.
- Solution: Replacement of the oil pan gasket.
- Cost: $400 - $700
PCV System Issues
- Symptoms: Rough idle, increased oil consumption, whistling noises from the engine bay, potential for oil leaks.
- Solution: Replacement of the Positive Crankcase Ventilation (PCV) valve and associated hoses.
- Cost: $200 - $450
Transmission
6-Speed Manual (GS6-37BZ)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
6-Speed Automatic (GA6HP19Z)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Suspension
Standard Chassis
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Electrical
General Electrical System
Window Regulator Failure
- Symptoms: Power windows not operating, unusual noises when operating windows.
- Solution: Replacement of the window regulator assembly.
- Cost: $250 - $500 per window
Headlight Condensation
- Symptoms: Moisture or fogging inside the headlight assembly.
- Solution: Sealing the headlight assembly or replacing the unit if damage is severe.
- Cost: $100 - $400 per headlight
Exterior
Body Panels and Trim
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Interior
Cabin Components
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Summary Verdict
The 2009 BMW 128i is a competent and enjoyable car with a generally good reliability record for its class and era. The naturally aspirated 3.0L inline-six engine (N52) is robust, though common age-related issues like valve cover and oil pan gasket leaks, along with PCV system problems, can occur and should be monitored. Both the manual and automatic transmissions are typically reliable. Electrical gremlins, such as window regulator failures and occasional headlight condensation, are not uncommon but are usually manageable. Overall, the 128i offers a rewarding driving experience, and with proactive maintenance and addressing these specific potential issues, it remains a solid choice for enthusiasts seeking a blend of performance and practicality.