The BMW M6 GTLM is an endurance grand tourer (GT) car constructed by the German automobile manufacturer BMW. The car was announced to be under development, through a press release in October 2015, following the announcement and unveiling of the BMW M6 GT3, although few of the car's technical specifications were revealed. The car was based on the BMW M6 GT3, and the car had its initial shakedown and testing conducted by BMW Team RLL, at the Sebring International Raceway, in Florida, during early November 2015. The car had its race debut at the 2016 24 Hours of Daytona with BMW Team RLL.

The BMW M6 is a high-performance version of the 6 Series marketed under the BMW M sub-brand from 1983 to 2018.