2010 BMW 328i
2010 BMW 328i
Overview
The 2010 BMW 328i, part of the E90 generation, is generally regarded as a solid performer with a reputation for sporty handling and a premium interior. However, like any vehicle, it has specific areas that have seen more attention from owners regarding reliability. This analysis focuses on documented mechanical and electrical issues beyond routine maintenance. The 328i model is primarily equipped with BMW’s robust inline-six engines and a choice of manual or automatic transmissions, which contribute significantly to its driving dynamics. Understanding potential weak points can help owners budget for and address issues proactively, ensuring the longevity and enjoyment of this luxury sedan.
Engine
3.0L N52B30 Inline-6
Valve Cover Gasket Leak
- Symptoms: Oil smell in the engine bay, visible oil on the engine block, potential for oil dripping.
- Solution: Replacement of the valve cover gasket.
- Cost: $300 - $600
Oil Pan Gasket Leak
- Symptoms: Oil spots under the vehicle, oil smell, potential for low oil level.
- Solution: Replacement of the oil pan gasket.
- Cost: $400 - $700
PCV System Failure
- Symptoms: Rough idle, increased oil consumption, whistling noises from the engine, potential for smoke from exhaust.
- Solution: Replacement of the Positive Crankcase Ventilation (PCV) valve and associated hoses.
- Cost: $300 - $500
Water Pump Failure
- Symptoms: Overheating, coolant leaks, warning lights on the dashboard, unusual noises from the front of the engine.
- Solution: Replacement of the electric water pump and thermostat.
- Cost: $600 - $1000
Transmission
6-Speed Manual (Getrag GS6-37BZ)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
6-Speed Automatic (ZF 6HP19)
Mechatronic Unit Failure
- Symptoms: Harsh shifting, transmission slipping, error codes related to transmission control, inability to select gears.
- Solution: Repair or replacement of the mechatronic unit.
- Cost: $1500 - $3000
Torque Converter Issues
- Symptoms: Shuddering at low speeds, slipping, rough engagement.
- Solution: Replacement of the torque converter.
- Cost: $1000 - $2000
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, grinding noises when operating windows.
- Solution: Replacement of the window regulator assembly.
- Cost: $200 - $400
HVAC Blower Motor Failure
- Symptoms: No air conditioning or heat, or intermittent operation of the fan.
- Solution: Replacement of the HVAC blower motor.
- Cost: $300 - $500
Xenon Headlight Ballast Failure
- Symptoms: One or both headlights not turning on, flickering headlights.
- Solution: Replacement of the headlight ballast.
- Cost: $300 - $600
Exterior
Body 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 2010 BMW 328i (E90) offers a compelling blend of performance and luxury, with its inline-six engine and refined chassis being strong points. Reliability is generally good, but owners should be aware of potential issues primarily related to the engine’s ancillary components, such as valve cover and oil pan gaskets, PCV system, and the electric water pump. Automatic transmission owners may encounter issues with the mechatronic unit or torque converter. Electrical components like window regulators and HVAC blowers can also require attention. Proactive maintenance and addressing early signs of leaks or performance degradation are key to maintaining this vehicle’s reliability and value.