Highlights

338bhp, six-cylinder S54 engine In current ownership for 16 years Enthusiast owned and tastefully upgraded Eventuri intake Genuine CSL wheels

Overview Putting a 300+bhp, inline-six ‘S’ engine into a two-seater roadster or coupe was nothing new for BMW by the time the E85 Z4 rolled around in 2006 - the iconic S54 had already been shoe-horned into the Z3M (get it? The ‘clown shoe’ had an engine ‘shoe-horned’ in? I’ll see myself out) as far back as February 2001, albeit in slightly less-powerful 321bhp form. The E85 aimed to build upon this slightly bonkers marriage between drivetrain and body style, maintaining the soundtrack and characteristics of the S54 engine, but upgrading the bodywork and interior to bring it in-line with the Bangle-penned design language of the day, along with making it far more user-friendly for everyday use. Produced for only two years between 2006 and 2008, the Z4M roadster offers roof-down motoring with genuine M pedigree at a far more wallet-frie...