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Next M3 CSL a GT4 track refugee?

This is BMW’s GT4-series M3 racer. Rumours pregnant with promise espouse it as being the base for a new BMW M3 CSL of sorts…
This is BMW’s GT4-series M3 racer. Rumours pregnant with promise espouse it as being the base for a new BMW M3 CSL of sorts…
With an absence of the CSL moniker on any of its cars, something just isn’t right with the current BMW product portfolio. This might change, soon…

In the last few weeks we’ve seen BMW’s M-division tease M5 fans with a one-off CSL version of the E60 four-door supercar.

European media reports now indicate the existence of a possible M3 CSL too, something which, hopefully, could germinate into a production model.

If the rumour mill is to be believed this high-performance M3 model will either be monikered M3 GT or M3 GT4.

Proper road racer?

Essentially a road-going version of the current GT4 series BMW racing cars, the M3 GTs will basically be track refugees very much in the mould of Porsche’s lightweight GT3 models…

These new M3 GTs should retain the fabled S65 4l V8 engine. Due to its status as a homologated road-going racing car, expect a liberated induction and gas exchange regime which should ensure ear splitting acoustics and a power peak of around 330kW.

Power will be channeled to the rear wheels via a seven-speed dual clutch transmission, offered of late on the M3 road-car range, yet not an option on the FIA GT4 racers, which shift with a six-speed manual.



The stock M3’s lockable rear differential could be replaced by a GT4 racing specification Lamella slippy diff, whilst a 25mm ride height reduction courtesy of Sachs suspension components are essentially a given.

Deceleration should be epic, with six-piston Brembo callipers actuating the front rotors and four-piston units clamping at the back.

Chucking the rear seats (and possibly retrofitting the GT4 racer’s carbon-fibre doors) should trim 100kg from the M3 coupe’s mass.

Sounds good - hope they build it

Tallying the possible specification of this M3 GT-something you should end up with a 330kW, 1 580kg car shifting power to a proper, hooligan pleasing, slippy rear diff via a seven-speed dual-clutch transmission.

Sounds good to us...

The prototype has allegedly lapped the Nurburgring in 7:40, which should give Porsche GT3 owners plenty to think about. Production should be very limited and pricing rather ridiculous.

If it does come to fruition expect the M-division to churn out little more the 25 of these road-legal M3 GTs a year, at a around $172 000 each.

It would be considered worth every cent to some…



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