Bovensiepen turns the BMW M5 Touring into a 589 kW super estate

The Alpina legacy gets a new name and a sharper purpose

The Bovensiepen 05 GT is the company’s second model after the Bovensiepen Zagato, and its first practical statement of intent from the family that created Alpina. It arrives after BMW acquired the rights to the Alpina brand and the previous cooperation agreement came to an end on 31 December 2025. Even when that deal was announced, BMW Group made clear that the Buchloe business would continue in a new form, with a focus on engineering, craftsmanship and bespoke solutions.

The 05 GT uses the BMW M5 Touring G99 bodyshell and the M Hybrid powertrain architecture, but Bovensiepen is not trying to build a BMW M clone. While BMW M plays to track focus and a more aggressive image, Bovensiepen is aiming at the classic Gran Turismo buyer — the sort of driver for whom 300 km/h is not a party trick, but a credible long-distance cruising speed.

589 kW and 1,100 Nm put the 05 GT at the top of the class

According to Bovensiepen’s own figures, the 05 GT produces a combined 589 kW and 1,100 Nm, accelerates from 0–100 km/h in under 3.6 seconds and reaches a top speed of 305 km/h. The same model sheet lists preliminary WLTP weighted fuel consumption of 5.3 l/100 km and electricity consumption of 17.0 kWh/100 km, with 10.1 l/100 km when driven with a depleted battery. CO2 emissions are quoted at 124 g/km.

The comparison is straightforward. The standard BMW M5 Touring produces 535 kW and 1,000 Nm, and also reaches 305 km/h when fitted with the M Driver’s Package, but its official 0–100 km/h time is 3.6 seconds. Bovensiepen therefore adds 54 kW and 100 Nm while retaining the essentials of BMW’s plug-in-hybrid layout, including the eight-speed automatic gearbox and all-wheel drive.

The Audi RS 6 Avant performance is officially rated at 463 kW and 850 Nm, accelerates from 0–100 km/h in 3.4 seconds, and in GT special-edition form raises its top speed to 305 km/h. On paper, the Bovensiepen does not simply out-drag the Audi. Its advantage lies elsewhere: 1,100 Nm gives it a deeper reserve of effortless thrust, especially at European motorway speeds, where an overtake often starts with the speedometer already showing three figures.

A chassis built to carry speed without getting restless

With the 05 GT, Bovensiepen has done exactly what Alpina buyers have valued for decades: added performance without adding nervousness. The chassis receives revised damper mounts, Eibach springs and a dedicated strut brace. The car also runs on 21-inch lightweight alloy wheels with specially developed Pirelli tyres carrying BOV markings on the sidewalls.

The titanium exhaust system, developed with Akrapovič, saves 7.8 kg and ends in four oval tailpipes. That is more than a detail. The new M5 Touring already weighs more than 2.5 tonnes, so every kilogram recovered helps a heavy plug-in hybrid feel more settled when the road starts to turn. The 05 GT’s kerb weight is 2,555 kg, making it 5 kg heavier than the M5 Touring, but Bovensiepen’s priority is the blend of comfort and speed rather than the pursuit of a headline lap time.

Frank Stephenson gives the M5 a calmer visual edge

The exterior does not try to hide the BMW M5 Touring underneath. Instead, it tones down some of the visual bulk. Frank Stephenson, whose earlier work includes the original BMW X5 and the modern Mini, shaped the new front end, side sills and rear section. A laser-cut stainless-steel grille, larger air intakes and a lower visual line give the 05 GT a more restrained and more premium stance.

Inside, Bovensiepen continues with Lavalina leather. As standard, the steering wheel, seat details, cupholder surrounds and the area around the iDrive controller are finished in leather, while a full leather interior remains available as an option. This matters, because it is precisely where the difference shows between a faster M5 Touring and a genuine low-volume manufacturer’s model.

In Europe, the 05 GT fills the gap Alpina left behind

According to BMWBlog, the Bovensiepen 05 GT starts in Germany at €198,900 including local VAT, with first deliveries scheduled for the fourth quarter of 2026. The same source says annual production will be limited to up to 200 cars.

That puts the 05 GT in a very narrow niche. It is more expensive than the M5 Touring and pricier than most Audi RS 6 Avant performance configurations, yet cheaper and more usable than many carbon-bodied boutique specials. In Europe, the point of the 05 GT is clear: this is a car for a buyer who does not want the height of an SUV or the compromises of a supercar, but an estate built for four seasons, long distances and very high speed.

Technical snapshot

Base: BMW M5 Touring G99, plug-in-hybrid 4.4-litre V8, eight-speed automatic gearbox and all-wheel drive.
Power and torque: 589 kW and 1,100 Nm, 54 kW and 100 Nm more than the BMW M5 Touring.
Performance: 0–100 km/h in under 3.6 seconds, top speed 305 km/h.
Chassis: Eibach springs, revised damper mounts, strut brace, 21-inch lightweight alloy wheels and Bovensiepen-marked Pirelli tyres.
Price and availability: From €198,900 in Germany, with deliveries starting in the fourth quarter of 2026.