2012 BMW 6 Series Problems: 6 Known Issues
2012 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 BMW 6 Series has 6 documented known issues, with 5 rated critical. The most serious are Early N63 650i timing-chain wear check — bulletin SI B11 16 14, In-tank fuel pump connector can overheat, leak fuel or stop the pump — recall 16V746, Driver air bag inflator may rupture and throw metal — recalls 17V495 and 24V527, Turbo auxiliary coolant pump can overheat and cause an engine fire — recalls 12V161 and 18V248 and 640i N55 electric coolant pump failure and reduced power (owner reports). DIY maintenance guides at au7o.io.
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What are the most common BMW 6 Series problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 BMW 6 Series has 6 documented issues. Documented issues include: Early N63 650i timing-chain wear check — bulletin SI B11 16 14, In-tank fuel pump connector can overheat, leak fuel or stop the pump — recall 16V746, Driver air bag inflator may rupture and throw metal — recalls 17V495 and 24V527. Of these, 5 are rated critical and should be addressed promptly.
Is the BMW 6 Series reliable?
The 2012 BMW 6 Series has 6 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 5 issues are rated critical: Early N63 650i timing-chain wear check — bulletin SI B11 16 14 and In-tank fuel pump connector can overheat, leak fuel or stop the pump — recall 16V746 and Driver air bag inflator may rupture and throw metal — recalls 17V495 and 24V527 and Turbo auxiliary coolant pump can overheat and cause an engine fire — recalls 12V161 and 18V248 and 640i N55 electric coolant pump failure and reduced power (owner reports). 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.
What is the 2012-2013 BMW 6 Series Early N63 650i timing-chain wear check — bulletin SI B11 16 14?
BMW published a procedure for checking N63 engine timing chains for wear (elongation) on early production cars, to detect wear at an early stage and, if necessary, provide a repair. BMW states this check and the related N63 Customer Care Package are not mandatory technical campai… Severity: high.
What is the 2012 BMW 6 Series In-tank fuel pump connector can overheat, leak fuel or stop the pump — recall 16V746?
The wire to the ground and/or positive pin contacts of the in-tank fuel pump connector may be insufficiently crimped. Contact resistance can heat the pins and, in an extreme case, melt the plastic around them, so fuel may leak after refueling or while cornering, or the pump may s… Severity: high.
What is the 2012-2013, 2015 BMW 6 Series Driver air bag inflator may rupture and throw metal — recalls 17V495 and 24V527?
Two separate driver front air bag recalls cover small production windows of the F-generation 6 Series. In 17V495, incorrectly welded Takata PSDI-X inflators could separate from the base plate during deployment and send metal debris toward occupants. In 24V527, a Takata PSDI-X inf… Severity: high.
What is the 2012 BMW 6 Series Turbo auxiliary coolant pump can overheat and cause an engine fire — recalls 12V161 and 18V248?
The electric auxiliary coolant pump that cools the turbochargers after shutdown can short circuit and overheat; in rare cases this may cause a fire in the engine compartment. Under 12V161 the cause was a crack letting coolant into the pump's electronics; 18V248 added pumps whose… Severity: high.
What is the 2012-2018 BMW 6 Series 640i N55 electric coolant pump failure and reduced power (owner reports)?
Owners of N55-engined 640i cars report the electric coolant pump failing, with coolant-pump fault codes and reduced-power (limp) mode; one owner reports the fault returning after a warranty pump replacement. Applies to: F06/F12/F13 640i with the N55 inline-six, reported by owners… Severity: high.
What is the 2012-2018 BMW 6 Series Adaptive LED headlight "low beam malfunction" warning (owner reports)?
Owners of F-generation 6 Series cars with adaptive LED headlights report low-beam malfunction warnings and a dead low beam, often on the left side. Owners report that swapping the LED modules between sides did not cure it; some fixed it by replacing the headlight assembly, and on… Severity: low.
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.