2023 BMW M3 CS outputs revealed in leaked documents

The upcoming 2023 BMW M3 CS will likely debut in the coming weeks, with leaked documents revealing its power outputs.

BMW forum BimmerPost confirms the ‘G80’ M3 CS should be the most powerful production-spec 3 Series ever, with 405kW and 650Nm – matching the lightweight M4 CSL revealed earlier this year.

While torque remains unchanged, power is up 30kW compared to the current M3 Competition, with its all-wheel-drive and eight-speed torque-converter automatic transmission expected to be retained for the M3 CS.

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However, it is unlikely to incur the same weight savings as the M4 CSL coupe, with the latter part of its name referring to ‘lightweight’, or competition, sport, lightweight in full.

While the documents confirm a right-hand-drive variant has been developed, it is currently unknown if the latest M3 CS will reach local shores.

The previous ‘F80’ BMW M3 CS was offered in Australia, priced at $179,529 before on-road costs in 2018, its only year on sale. This was a $33,000 increase over the regular M3.

BMW Australia only offers the M3 in Competition spec, with the latest iteration priced from $169,500 plus on-roads, suggesting a price beyond $200,000 for the M3 CS should it arrive in Australia.

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A previous report by BimmerPost suggests the M3 CS will offer unique front bucket seats, while the M4 CSL’s yellow accented laser headlights – also seen on the M5 CS – are likely.

Other additions for the M4 CSL include more extensive use of carbon fibre, stiffer mounts, and increased chassis and body rigidity.

The 2023 BMW M3 CS is tipped to commence production in March, with a limited run until February 2024, suggesting its unveiling is just around the corner.

Note: regular M3 Competition pictured throughout.