BMW V12 LMR
 |
|||||||||
| Category | Le Mans Prototype | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor |
 BMW Motorsport WilliamsF1
|
||||||||
| Predecessor | BMW V12 LM | ||||||||
| Technical specifications | |||||||||
| Chassis | carbon and aluminum honeycomb monocoque | ||||||||
| Engine | BMW S70/3 5990 cc V12. Naturally aspirated mid, longitudinally mounted | ||||||||
| Transmission | X-Trac 6-speed sequential manual | ||||||||
| Fuel | Petrobras | ||||||||
| Tyres | Michelin radial | ||||||||
| Competition history | |||||||||
| Notable entrants |
BMW Motorsport Schnitzer Motorsport
|
||||||||
| Notable drivers |
 J.J. Lehto Jörg Müller Steve Soper Joachim Winkelhock Pierluigi Martini Yannick Dalmas Tom Kristensen Bill Auberlen Jean-Marc Gounon
|
||||||||
| Debut | 1999 12 Hours of Sebring | ||||||||
|
|||||||||
| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
The BMW V12 LMR was a Le Mans Prototype built for sports car racing from 1999 to 2000. The car was built through an alliance between BMW Motorsport and WilliamsF1, and was the successor to the failed BMW V12 LM of 1998. It is famous for earning BMW its only overall victory to date at the 24 Hours of Le Mans.
Immediately following the 1998 24 Hours of Le Mans in which both BMW V12 LMs had failed to finish due to mechanical difficulties and a slow pace caused by aerodynamic inefficiencies, BMW Motorsport made the decision to radically revamp their sportscar project and quickly replace the V12 LM with a new car for 1999, the V12 LMR.
The V12 LMR would retain only the basic structures of the V12 LM, while all of the car's bodywork was redone from scratch. The cooling ducts, a major problem on the V12 LM, were moved to the top of the car instead of from the bottom where it had suffered from ambient track heat. Among the more radical design features was the use of a small rollhoop located only behind the driver's seat, instead of a wide rollhoop which covered the entire cockpit. This was done through using a loophole in the ACO's Le Mans prototype regulations. This allowed for less drag as well as less obstruction for the air to the rear wing. A total of four new chassis were built by WilliamsF1 in the United Kingdom.
Internally, the V12 LMR retained the same BMW S70/3 5990 cc V12 as the V12 LM. Responsibility for running the cars was handed over to Schnitzer Motorsport, who would run the team not only at the 24 Hours of Le Mans, but also in the new American Le Mans Series for 1999.
Debuting at the 12 Hours of Sebring, BMW Motorsport and Schnitzer Motorsport entered a two car team. The cars were immediately fast, taking the pole position in qualifying. During the race, both cars ran towards the front for the first six hours. Unfortunately, V12 LMR chassis #001 suffered a large accident, damaging the car to the point that it would never race again. However, the second V12 LMR was successful in taking the overall win.
...
Wikipedia