We reveal M automobiles that no-one has ever seen: We take an exclusive peek inside the secret BMW M garage and encounter some CSL prototypes which were developed for maximum performance, but never saw the light of day. In part two of our CSL special, we drive a never revealed BMW M2 CSL prototype.
Find out more about these spectacular CSL prototypes on: https://www.bmw-m.com/en/topics/magaz...

BMW M4 CSL:
Fuel consumption weighted combined in l/100 km: 10.1-9.9 (WLTP), CO2 emissions weighted combined in g/km: 227-224 (WLTP)

Official data on fuel consumption and CO2 emissions were determined in accordance with the mandatory measurement procedure and comply with Regulation (EU) 715/2007 valid at the time of type approval. In case of a range, figures in the WLTP take into account any optional equipment. For newly type-tested vehicles since 01.01.2021, the official data no longer exist according to NEDC, but only according to WLTP. For more information on the WLTP and NEDC measurement procedures, see www.bmw.de/wltp.

For more information on the official fuel consumption and official specific CO2 emissions of new passenger cars, see the ‘Guide to Fuel Consumption, CO2 Emissions, and Electricity Consumption of New Passenger Cars’, which is available free of charge at all sales outlets, from Deutsche AutomobilTreuhand GmbH (DAT), Hellmuth-Hirth-Str. 1, 73760 Ostfildern- Scharnhausen, and at https://www.dat.de/co2/.
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