BMW M5 (E60) CSL: Ever heard of this one-off?
But back to the M5 with the code name CSL: For the 25-year special model, BMW has bored out the legendary S85 engine from 5.0 to 5.7 liters and given the V10 a specially made carbon intake. In addition, the maximum speed has been increased from 8250 rpm to almost 9000 rpm. A larger oil cooler was installed to supply the naturally aspirated engine with more air. As a result, the engineers quickly converted the front license plate recess into an additional air intake and simply mounted the sheet metal offset to the side. Instead of the standard 507 hp, the one-off should have released 630 hp to the rear wheels, according to BMW.
M5 CSL with DKG instead of SMG
0-100 km/h in just 3.9 seconds
Why am I going so far now? Quite simply, in the special model shown in 2009, the SMG III transmission was quickly replaced by the seven-speed double clutch (M-DKG) developed by Getrag from the M3 E92. The advantages are obvious: even faster gear changes, a significant increase in comfort and a significantly less vulnerable DCT.
Visually, the E60, with its striking M stripes in the 3.0 CSL look and 25 years of BMW M5 lettering, remains standard, apart from the additional air intake. Now you may be wondering why BMW put so much effort into a vehicle that was planned as a one-off from the start. Why didn’t the extra strong, lighter M5 with the fast M-DKG come onto the market at least as a small series?