2012 BMW M6 Problems: 7 Known Issues
2012 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2012 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2012 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2012 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 BMW M6 has 7 documented known issues, with 3 rated critical. The most serious are Rod Bearing Premature Wear (S65/S63 Engines) ($3,000-$6,000 repair), F12/F13 Electric Water Pump and Thermostat Failure ($700-$1,800 repair) and F12/F13 7-Speed M-DCT Mechatronic and Clutch Pack Failure ($1,500-$5,000 repair). Across all issues with published estimates, repair costs range from $100 to $6,000. DIY maintenance guides at au7o.io.
EXTERIOR LIGHTING:BRAKE LIGHTS
BMW of North America, LLC (BMW) is recalling certain 2014-2019 M6 Gran Coupe vehicles. The third brake light may become loose, possibly allowing the light to detach from the vehicle.
AIR BAGS
BMW of North America, LLC (BMW) is recalling certain model year 2017 BMW 640i, 640i xDrive, 650i, 650i xDrive, M6, 535i, 535i xDrive, 430i, 430i xDrive, 440i, 440i xDrive, M4, X1 sDrive28i, X1 xDrive28i, i3, i8, Rolls-Royce Dawn, Mini Clubman Cooper, Clubman Cooper S, Cooper All4, Cooper S All4, Mini 4-Door Cooper, Cooper S, Mini 2-Door Cooper, Cooper S, John Cooper Works and 2016 BMW 528i, 528i xDrive, 535i, 535i xDrive, 550i, 550i xDrive, M5 and 535d vehicles. The affected vehicles have seat- mounted side air bag inflator initiators that may fail to ignite during a crash.
POWER TRAIN:DRIVELINE:DRIVESHAFT
BMW of North America, LLC (BMW) is recalling certain model year 2015 BMW M5 sedans manufactured September 4, 2014, through December 4, 2014, 2015 M6 coupes manufactured September 3, 2014, through December 3, 2014, 2015 M6 convertibles manufactured September 8, 2014, through December 4, 2014, and 2015 M6 Gran Coupe vehicles manufactured September3, 2014, through December 4, 2014. The affected vehicles have a driveshaft that may have been inadequately welded during manufacturing.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 BMW M6 has 7 documented issues. The most frequently reported are: Rod Bearing Premature Wear (S65/S63 Engines), F12/F13 Electric Water Pump and Thermostat Failure, F12/F13 7-Speed M-DCT Mechatronic and Clutch Pack Failure. Of these, 3 are rated critical and should be addressed promptly.
The 2012 BMW M6 has 7 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: Rod Bearing Premature Wear (S65/S63 Engines) and F12/F13 Electric Water Pump and Thermostat Failure and F12/F13 7-Speed M-DCT Mechatronic and Clutch Pack Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known BMW M6 issues range from $100 to $6,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Rod Bearing Premature Wear (S65/S63 Engines), typically costs $3,000-$6,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Both the S65 V8 (E63 M6) and S63 twin-turbo V8 (F06/F12/F13 M6) suffer from premature rod bearing wear. The S65 is particularly notorious — the OEM rod bearings use a copper-lead composition that wears rapidly, especially with frequent cold starts and short trips. The S63 has imp… Repairs typically run $3,000-$6,000. Severity: high.
The F06/F12/F13 M6 with the S63 twin-turbo V8 uses an electrically driven coolant pump and an electronic thermostat. Both are common failure points. The electric water pump can fail electronically (no flow) and the thermostat can stick, while cracked radiator end-tanks and a leak… Repairs typically run $700-$1,800. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
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The F06/F12/F13 M6 uses a 7-speed M dual-clutch transmission (GS7D36/GS7D70). Owners report two main problems: failure of the mechatronic unit (the DCT's electronic/hydraulic control module), which causes erratic shifting, stored transmission fault codes and limp/failsafe mode; a… Repairs typically run $1,500-$5,000. Severity: high.
The S63/N63 V8 family used in the F12/F13 M6 is subject to high-pressure fuel pump (HPFP) and direct-injector problems. A failing HPFP causes long cranking and hard starting (worst when cold), rough running and misfires from insufficient rail pressure. Separately, the direct inje… Repairs typically run $600-$2,500. Severity: medium.
On the F12 M6 Convertible, the soft-top is operated by a hydraulic pump unit. Owners (including on German forums such as motor-talk.de) report the top stops opening or closing mid-cycle, operates slowly or jams. The most common root causes are the two high-current relays in the h… Repairs typically run $100-$1,600. Severity: medium.
The S63 twin-turbo V8 in the F06/F12/F13 M6 is prone to wastegate rattle as the wastegate actuator linkage develops play with heat cycling, producing a metallic rattle at light throttle/low load. The turbos can also suffer oil-feed coking/starvation due to the intense under-bonne… Repairs typically run $400-$4,000. Severity: medium.
The S63 twin-turbo V8 in the F06/F12/F13 M6 uses direct fuel injection, so no fuel washes over the back of the intake valves. Over time, oil vapor from the crankcase ventilation system bakes onto the intake valves and ports, restricting airflow. This produces rough idle, cold-sta… Repairs typically run $500-$1,500. Severity: medium.