2017 BMW M5
The 2017 BMW M5 (F10 generation) is a high-performance sedan known for its powerful engine, agile handling, and luxurious features. The engine is a 4.4-liter twin-turbocharged V8, producing 560 horsepower and 500 lb-ft of torque. There was also a Competition Package offered which increased the horsepower output to 575. The M5 came exclusively with a 7-speed dual-clutch transmission (DCT). People often praise the M5 for its exhilarating performance, comfortable ride, and stylish design, while some criticisms include the DCT which can be jerky at low speeds and the high cost of ownership and maintenance.
Engine
4.4L Twin-Turbocharged V8 (S63)
- Oil Leaks
- Description/Symptoms: Oil leaks can occur from various areas, including the valve cover gaskets, oil filter housing, and oil pan gasket. Symptoms include visible oil leaks on the ground or engine components, burning oil smell, and low oil level warnings.
- Solution: Replacing the leaking gaskets or seals is the standard fix. For more severe leaks, the oil pan or other components might need replacement.
- Estimated Cost to Fix: $300 - $1500+ depending on the location and severity of the leak.
- Recalls: None Found
- Turbocharger Issues
- Description/Symptoms: Turbochargers can experience failures, leading to reduced power, whistling noises, and potential smoke from the exhaust. Issues can stem from oil starvation or general wear.
- Solution: Turbocharger replacement is the typical solution. Addressing the underlying cause of the failure, such as oil supply issues, is crucial.
- Estimated Cost to Fix: $2500 - $5000+ per turbo depending on if done individually or as a pair.
- Recalls: None Found
- High Pressure Fuel Pump (HPFP) Failure
- Description/Symptoms: HPFP failures can result in rough idling, stalling, long crank times, and reduced engine performance.
- Solution: Replacement of the high-pressure fuel pump is generally required.
- Estimated Cost to Fix: $1000 - $2000+
- Recalls: None Found
Transmission
7-Speed Dual-Clutch Transmission (DCT)
- Mechatronic Unit Issues
- Description/Symptoms: Problems with the mechatronic unit, which controls the transmission’s shifting, can lead to jerky shifting, delayed engagement, and failure to shift properly.
- Solution: Repair or replacement of the mechatronic unit. In some cases, reprogramming the transmission control unit (TCU) might resolve the issue.
- Estimated Cost to Fix: $2000 - $4000+
- Recalls: None Found
- Clutch Wear
- Description/Symptoms: Excessive clutch wear can lead to slipping, shuddering during gear changes, and eventual transmission failure. Aggressive driving can accelerate wear.
- Solution: Clutch replacement is necessary. Consider replacing the dual-mass flywheel at the same time.
- Estimated Cost to Fix: $3000 - $6000+
- Recalls: None Found
Suspension
- Adaptive Damper Issues
- Description/Symptoms: The adaptive dampers (Electronic Damper Control - EDC) can fail, causing a rough ride, uneven handling, and error messages on the dashboard.
- Solution: Replacement of the faulty dampers.
- Estimated Cost to Fix: $800 - $1500+ per damper.
- Recalls: None Found
Electrical
- Battery Drain Issues
- Description/Symptoms: Excessive battery drain can lead to difficulty starting the car or a completely dead battery. Potential causes include faulty modules, aftermarket accessories, or a failing alternator.
- Solution: Diagnosing the source of the drain and repairing or replacing the faulty component.
- Estimated Cost to Fix: $100 - $1000+ depending on the source.
- Recalls: None Found
- iDrive System Malfunctions
- Description/Symptoms: Freezing, reboots, or features not working on the iDrive system
- Solution: Software Update, iDrive Control Module Replacement
- Estimated Cost to Fix: $100 - $2000+
- Recalls: None Found
Exterior
- Door Lock Actuator Failure
- Description/Symptoms: The door lock actuators can fail, resulting in doors that won’t lock or unlock properly.
- Solution: Replacement of the faulty actuator.
- Estimated Cost to Fix: $300 - $600+ per door.
- Recalls: None Found
Interior
- Seat Heater Malfunction
- Description/Symptoms: The seat heaters can stop working due to a faulty heating element or control module.
- Solution: Repair or replacement of the heating element or control module.
- Estimated Cost to Fix: $200 - $800+ per seat.
- Recalls: None Found
Summary
The 2017 BMW M5 is a performance-oriented vehicle that offers an exhilarating driving experience. However, it is prone to some common issues, particularly related to the engine, transmission, and electrical systems. Engine oil leaks and turbocharger problems can be costly to repair. Transmission issues with the DCT, especially concerning the mechatronic unit and clutch wear, are also significant concerns. While some issues are relatively minor, others can be expensive to address. Potential buyers should be aware of these potential issues and consider a pre-purchase inspection to identify any existing problems.