Highlights 1 of 123 S54 RHD coupes Rare and involving analogue sports coupe 321bhp S54 engine with improved VANOS Harman Kardon factory sound system Well-maintained with good service history Only 20 RHD S54's in Estoril Blue In superb shape throughout Low mileage Fresh MOT Overview A genuine M badge on the back of a BMW should tell you all you need to know about the capabilities of the car in question.

From the very first mid-engined M1 to the latest M5 plug-in hybrid super saloon, that single letter denotes the pinnacle of the marque, forever to be revered for the sheer level of engineering and performance it represents.

BMW M cars will always be sought after and the Z3 M is no different.

The M3 and M5 may be the go to models for most people but when BMW's Motorsport division plonked the 316bhp, 3.2-litre S50 inline six-cylinder engine from the E36 M3 into its diminutive but inherently chuckable Z3 roadster in 1997 there was much rejoicing.

A fixed roof coupe joined the party a ye...