Quote:
Originally Posted by CanAutM3
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Interestingly, that special "CS" edition for Spain was actually officially called "Competition Sport Edition" (completely spelled out) and not "M4 CS", although the etymologies are probably one in the same.
https://www.bmw.es/es/topics/mundo-b...mitada-m4.html
https://www.press.bmwgroup.com/spain...da?language=es