This is the one-off 550bhp secret BMW M5 CSL

Once upon a time, BMW M turned up the V10-engined M5 and created a monster

BMW Has Another Top-Secret M5 In The Works

BMW Has Another Top-Secret M5 In The Works

This is the one-off 550bhp secret BMW M5 CSL

This is the one-off 550bhp secret BMW M5 CSL

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BMW Presents One-Off M5 CSL - GTspirit

The $142,000 M5 CS is BMW's most powerful production car ever, but the seats are the real show - see inside

This is the one-off 550bhp secret BMW M5 CSL

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