Luxury Cars

BMW M shows off CSL prototypes

BMW M lastly let a fan and a digital camera crew into its secret museum of prototypes. The fan is Ede Weihretter, a driving teacher on the BMW M Expertise, his host is Hans Rahn, the pinnacle of car prototyping, manufacturing idea and integration at BMW M. Rahn pulls out eight vehicles to Weihretter, examples of CSL tasks that by no means obtained out of the experimental stage. The primary is a prototype E46 M3 CSL; bear in mind, the 2003 E46 M3 was solely the second-ever CSL mannequin after the 1973 3.0 CSL. The manufacturing CSL used the usual automobile’s naturally aspirated 3.0-liter inline-six making 360 horsepower. The “loopy experiment” prototype stuffed a 4.0-liter V8 into the engine bay, negating a good bit of the coupe’s 220-pound weight reduction however upping output to 423 horses — a recipe most efficiency vehicles have adopted ever since, though BMW could not know that on the time. 

The second deal with is a prototype E60 M5 CSL, the dangerous boy with the 500-hp V10 and a guide transmission. As a substitute of the SMG III semi-automatic gearbox, engineers saved the SMG’s seems however swapped in a dual-clutch transmission from Getrag that may later head to the M3. This proto was additionally the primary M5 to get a carbon roof, the roof hidden beneath a wrap as a result of the extra mature M did not have to promote all of its methods.

There’s yet one more automobile featured on this episode that might have been a CSL however wasn’t. Nevertheless, at one level within the vid, Weihretter begins to wander among the many toys available and Rahn says, “Cease. Let me present you round.” So we’ll let him do this, and we’ll stay up for episode two.

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