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The 2019 BMW M6 is powered by a high-performance 4.4L twin-turbocharged V8 engine producing 560 horsepower, paired exclusively with BMW's 7-speed M Double Clutch Transmission (M-DCT). This dual-clutch transmission unit is engineered specifically for the M6's performance demands, delivering lightning-fast gear changes in under 100 milliseconds while offering full automatic operation for everyday driving comfort. All 2019 M6 variants: Coupe, Gran Coupe, and Convertible. Use this same M-DCT configuration with rear-wheel drive as standard.
The 2019 BMW M6 M-DCT develops predictable wear patterns that owners and mechanics should monitor closely at higher mileage. The most frequently reported issue is mechatronic unit deterioration. The integrated electro-hydraulic control module that manages all clutch engagement and gear selection. Symptoms include jerky low-speed engagement, hesitation during shifts, and fault codes related to clutch pressure adaptation. Additionally, dual-clutch pack wear becomes noticeable in high-mileage units that have seen track use or aggressive driving, presenting as shuddering during 1st and 2nd gear engagement. DCT fluid degradation above 40,000 miles is a common contributor. BMW recommends fluid changes every 30,000 to 40,000 miles for M-DCT units used in performance applications.
BMW M6 transmission replacement cost at an authorized dealer typically runs $3,500 to $7,500 for the unit alone before labor. A tested 7-speed M Double Clutch Transmission (M-DCT) from a verified low-mileage donor vehicle costs significantly less and delivers the same OEM performance when properly sourced and installed. Every used 2019 BMW M6 transmission at Moon Auto Parts is mileage-documented, inspected by certified technicians, and backed by a 4-year / 40,000-mile warranty at no extra cost. Free shipping to commercial addresses. Call +1 (888) 777-0769 for VIN-matched fitment confirmation.
