BMW is milking its celebration of 50 years of M cars for all it's worth, and we don't mind one bit. The latest announcement in the year-long celebration of all that is the M division is the debut of the outstanding M4 CSL. CSL stands for "Competition, Sport, Lightweight" and is the pinnacle of the chassis regarding road-going M car badges.

The BMW M4 CSL will debut with 543 hp and a 240-pound weight reduction to become the definitive modern M car. BMW hammered that point home already by posting a 7-minute 20.2-second lap time of the Nurburgring with the new car.

BMW is only building 1,000 units of the M4 CSL and its priced at $139,900. It will debut at the Legends of the Autobahn event on August 18 during Monterey Car Week. Attendees can see the M4 CSL in action during the Rolex Monterey Motorsport Reunion Hillclimb event on Sunday, August 21.

BMW will also have a presence at the event celebrating 100 years of the 24 Hours of Le Mans. In Group 8 (1972-1982) racing, it's entering the 1975 3.0 CSL IMSA Group 4 'Batmobile.' The 3.0 CSL is the legendary car that marked the official start of BMW Motorsport.

Also racing in Group 8 will be a version of the car that really put BMW in the spotlight, a 1981 IMSA M1 Group 4 race car. In Group 10 (1981-2005 Le Mans Prototypes), BMW will be represented by the dual shriek of two V12-powered McLaren F1 GTR racers. BMW is also showing off its 1999 BMW V12 LMR that won the 12 Hours of Sebring in March 1999.

To polish off its time in Monterey, BMW will auction off its Daytona GTLM class-winning No. 24 BMW M8 GTE. The M8 GTE is the predecessor of the BMW M4 GT3 and the first LM GTE homologated vehicle built from the ground up rather than based on an existing design.