BMW’s new Z4 M40i gets special treatment from AC Schnitzer

Yesterday, German tuning firm AC Schnitzer released a package for the Toyota GR Supra and now its sibling, the BMW Z4 M40i is getting the same treatment.

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Numbers first. The Z4 M40i with its 3.0-litre turbocharged straight-six engine producing a stock 250 kW of power has been massaged to deliver 298 kW. Torque figures have grown to 600 Nm – upped by 100 Nm from the stock’s 500 Nm. 

The tuner says additional power upgrades are being worked on for the 20i versions to take it beyond the current 146 kW/ 320 Nm. 

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On the outside, the Z4 M40i wears a slightly more aggressive body kit including a front splitter and a two-piece rear spoiler.

The Z4 also receives chunky side skirts and hood vents, while the standard wheels are replaced by custom 20-inch alloys available in two different designs. You can match the new shoes with a suspension lowering kit that brings the convertible closer to the road by 25 mm (nearly an inch).

If you happen to have the range-topping M40i, an adjustable suspension is available from the Aachen-based tuner at an additional cost, as is a quad exhaust system.

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Inside, the Z4 M40i has received an aluminium set of paddles behind the steering wheel, along with more aluminium for the pedals and footrest.

For peace of mind, AC Schnitzer has a five-year warranty.