2017 BMW M760Li xDrive
The 2017 BMW M760Li xDrive is a luxurious and high-performance sedan powered by a potent 6.6-liter TwinPower Turbo V12 engine producing 601 horsepower and 590 lb-ft of torque. It is paired exclusively with an 8-speed automatic transmission. While offering exhilarating performance and a plush interior, some owners have reported encountering specific issues. Many appreciate the car’s incredible power, smooth ride, and sophisticated features. Common dislikes include the high running costs, complexity of the systems, and potential for expensive repairs.
Engine
6.6L TwinPower Turbo V12
- Oil Leaks
- Description/Symptoms: Oil leaks can develop from various locations, including the valve cover gaskets, oil filter housing, and oil pan gasket. Symptoms include visible oil drips under the car, burning oil smell, and low oil level warnings.
- Solution: Replacing the leaking gaskets or seals.
- Estimated Cost to Fix: $300 - $2,000+ depending on the location of the leak.
- Recalls: None Found
- Coolant Leaks
- Description/Symptoms: Coolant leaks can occur at various points in the cooling system, including hoses, the radiator, and the expansion tank. Symptoms include low coolant level, overheating, and visible coolant puddles.
- Solution: Replacing the leaking components.
- Estimated Cost to Fix: $200 - $1,500+ depending on the location of the leak.
- Recalls: None Found
- Engine Misfires
- Description/Symptoms: Misfires are caused by faulty spark plugs, ignition coils, or fuel injectors. Symptoms include rough idling, decreased performance, and the check engine light illuminating.
- Solution: Replacing the faulty spark plugs, ignition coils, or fuel injectors.
- Estimated Cost to Fix: $200 - $1,000+ depending on the number of components that need replacement.
- Recalls: None Found
Transmission
8-Speed Automatic
- Rough Shifting
- Description/Symptoms: Some owners have reported experiencing rough or delayed shifts, particularly between certain gears.
- Solution: A software update or, in some cases, replacement of the transmission valve body or the entire transmission.
- Estimated Cost to Fix: $200 (software update) - $7,000+ (transmission replacement).
- Recalls: None Found
Suspension
- Air Suspension Malfunctions
- Description/Symptoms: The air suspension system can experience issues such as compressor failure, air leaks, or sensor malfunctions. Symptoms include the car sitting unevenly, a “chassis malfunction” warning, and a harsh ride.
- Solution: Replacing the faulty compressor, air struts, or sensors.
- Estimated Cost to Fix: $500 - $3,000+ depending on the component.
- Recalls: None Found
Electrical
- iDrive System Issues
- Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, and connectivity problems.
- Solution: Software updates or, in some cases, replacement of the iDrive control unit.
- Estimated Cost to Fix: $0 (Software Update) - $1,500+ (Control Unit Replacement).
- Recalls: None Found
- Sensor Failures
- Description/Symptoms: Various sensors throughout the car (e.g., parking sensors, oxygen sensors) can fail, triggering warning lights and affecting system functionality.
- Solution: Replacing the faulty sensors.
- Estimated Cost to Fix: $200 - $500+ per sensor, depending on the type.
- Recalls: None Found
- Battery Drain
- Description/Symptoms: The car’s battery can drain prematurely, especially if the car is not driven regularly. This is often attributed to the car’s complex electronics and parasitic draw.
- Solution: Replacing the battery and diagnosing/addressing any parasitic draws.
- Estimated Cost to Fix: $300 - $800+.
- Recalls: None Found
Exterior
- Adaptive Headlight Malfunctions
- Description/Symptoms: Issues with the adaptive headlight system, causing one or both headlights to stop swiveling, display error messages, or not adjust properly.
- Solution: Replacing the faulty headlight unit or control module.
- Estimated Cost to Fix: $1,000-$3,000+ per headlight unit.
- Recalls: None Found
Interior
- Seat Adjustment Problems
- Description/Symptoms: Issues with the power seats, including motors failing, seat not moving in certain directions, or memory function not working.
- Solution: Replacing the faulty seat motor or control module.
- Estimated Cost to Fix: $300 - $1,000+.
- Recalls: None Found
Summary
The 2017 BMW M760Li xDrive, while offering exceptional performance and luxury, can be prone to certain issues, particularly related to its complex engine, air suspension, and electrical systems. Engine and suspension issues seem to be most prevalent and expensive. Repair costs can be significant, so potential buyers should be aware of these potential issues and factor them into their ownership costs. Pre-purchase inspections are recommended.