There’s more good news for fast wagon fans.

    After launching its first-ever M3 Touring, BMW is reportedly working on an even hotter CS version.

    BMW Blog reports the super wagon could launch in 2025, with testing at the Nurburgring predicted to begin soon.

    Due to the popularity of the M3 Touring and challenges with production capacity, the CS version will reportedly be limited to roughly 2000 units.

    The CS Touring will reportedly be based on the M3 Competition Touring. The Touring only comes in Competition spec, with drive being sent through an xDrive all-wheel drive system and eight-speed torque-converter automatic transmission.

    In the M3 CS sedan, the tweaked M TwinPower Turbo 3.0-litre six offers 30kW more than the M3 Competition, taking it to 405kW over a wider band. Torque remains 650Nm at its peak but in the CS it’s sustained for longer, out to almost 6000rpm.

    It has a claimed 0-100km/h time of 3.4 seconds.

    BMW’s go-fast division says the revised engine on the sedan draws on features from BMW’s M4 GT3 DTM touring car. The engine has a sleeve-free closed-deck crankcase, lighter cylinder bores, 3D-printed cylinder head core, and track-specific oil supply and cooling systems.

    Other enhancements made to the CS sedan are expected to carry across to the Touring, albeit re-tuned slightly to suit the wagon body.

    These include a performance exhaust, beefed up xDrive all-wheel drive system, track-ready tyres, bespoke stability control and M driving modes, a more aggressive wheel alignment, and CS-specific auxiliary springs, anti-roll bars, electronically controlled dampers and variable ratio steering.

    Weight-saving decisions include the fitment of a carbon-fibre roof, bonnet, front splitter, front air intakes, exterior mirror caps, rear diffuser and rear spoiler.

    Its centre console, the shift paddles on the steering wheel, and its interior trim strips are likewise all manufactured from the material.

    It’s unclear if the CS Touring would be offered in Australia, should it eventuate, however Australia is one of the world’s leading markets for BMW M.

    One in five BMWs registered here wear a BMW M badge.

    The BMW M3 Touring is priced from $180,100 before on-road costs, and that’s before you start ticking option boxes. The CS sedan is $74,600 more expensive than the M3 Competition xDrive sedan, but $54,000 cheaper than the M4 CSL coupe.

    A similar price hike for the CS Touring is likely.

    The previously announced M3 CS sedan is set to hit the local market before the end of the year, following the launches of the XM, M3 Touring and the second-generation M2.

    MORE: Everything BMW M3

    James Gelding
    James Gelding is a Contributor at CarExpert.
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