Is the BMW M3 CSL a good investment?

The thesis

The E46 M3 CSL is the ultimate E46 and a 'high point of BMW Motorsport' according to 2026 market analysis. Limited to 1,383 units worldwide, none officially sold in the US, it features the tuned S54 engine, aggressive weight reduction, and SMG-only transmission. Median UK price now £82,410, with top examples exceeding £150,000. The CSL has appreciated significantly while the new M3 Touring has depreciated £40k. However, much of the easy money has been made—this is now a recognised blue-chip BMW, not an undiscovered gem. Strong 90% sell-through rate at auction confirms solid collector demand.