BMW tuners unveil the ferocious monsters of the M5 and Series 8 competition – Previews



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We did not even see – let alone pipe – the new BMW 8 Series and already AC Schnitzer nuts with their angle grinders and their duck-filled bins.

Prior to this week's Essen auto show, BMW's tuning specialists revealed not one, but two new performance sets; one for the 8 series and the other for the M5 sport sedan. One is a design study, the other is very real.

Now, these are not only ballistic visual kits (although the use of this word to describe their appearance would indeed be justified). In the typical AC Schnitzer manner, visual aggression on both models was also accompanied by some mechanical aggression.

For Series 8 (which gives up some of its slimmer and slimmer style in search of a Guinness World record of wings and air intakes), power upgrades come up in two forms. Optimized models based on the V8 M850i ​​xDrive twin-turbo 4.4 liter will see their power increased to 440 kW and 850Nm of torque.

AC Schnitzer also offers packages for the 3.0-liter twin-turbocharged I6 840d xDrive diesel variant, whose power and torque have been increased to reach respectable levels of 278 kW and 780 Nm.

These changes under the hood are complemented by larger compartments at the rear for more audible typing action, as well as various behavioral changes. These are launched by a new suspension configuration that lowers the front of the Big 8 from 20 to 25 mm and the rear from 10 to 15 mm (which creates a bit of raking effect, first).

All this is unfortunately ruined by the brush "design study". AC Schnitzer is simply testing the market's interest with this kit to see if it would be a viable product in the future.

The same can not be said for their new M5 package, however.

Click here to read the complete road test of the Driven BMW M5

The M5 is already a pretty fast thing. But, many have commented that this is not as manic and crude as the previous variants. It's something that AC Schnitzer has been trying to change.

It is therefore not surprising to see an increase in power. The 4.4-liter V8 from BMW offers an increased power of 73 kW and a torque of 100 Nm above the standard; a total power of 514 kW and 850 Nm. AC Schnitzer said his new M5 will be the turn Nürburgring Nordschleife in 7 min 29.5 seconds – nine seconds faster than the classic M5.

Of course, BMW is already making an upgraded version of the M5 themselves called the M5 competition. It offers 19 kW of additional power and a modified torque curve, among other changes. AC Schnitzer (of course) is also working on an even more hardcore package for this M5.

Like the Schnity 8 Series study, the M5 features further modifications in addition to engine modifications. Each suspension features a KW V4 coil spring suspension with adjustable features for drivers wanting to adjust the trajectory of their M5. AC Schnitzer says they can also help reduce the M5 (20-25 mm at the front, 10-15 mm at the rear of the 8-series above) by adding their own kit of springs.

The weight issue is at least partially solved by adding lightweight and forged Evo rims (this is also an example of central locking, so that guys at the track day can know you're serious). They are backed by high performance tires and the aforementioned carbon-coated body kit.

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