We have seen the Art car before but this is the first time we spotted it ourselves at the Motor Show in Brussels so we might aswell make a notice of it.

The first BMW Art car appeared in 1975 and was based on a BMW 3.0 CSL. Still one of our all-time favorite BMW’s.

The 2010 edition was designed by Jeff Koons and has a really remarkable paintjob. The Art car is based on the BMW M3 GT2 racing car and it participated in the 24 hours of Le Mans in april 2010 but due to mechanical failure they didn’t succeed in finishing. Better luck next time!

Onyx Concepts used to focus on tuning SUVs but these days they turn their attention away and they bring us an impression of the E92/E93 M3. The kit exists of a front and rear bumper, sideskirts, carbon fiber front lip and a carbon fiber diffuser on the rear. More carbon parts include a bonnet, boot lid and roof tip spoiler.

The interior is redone in bufallo hide leather available in different colors. The power has also been increased from the standard 420 hp to a whopping 630 hp. We don’t have many details on the specific changes but the numbers are impressive.

This is something we really like. A tuning company that doesn’t mess up the looks from the BMW M3 and optimizes the car for trackday use. Excellent!

The Stoptech M3 has 30 horsepower extra over the standard M3 and the torque increases with 40Nm. New brakes come from Stoptech and have a 380mm discs in the front, 355mm at the rear.

The whole brake kit weighs 8 kg less than the original M3 brakes. Also the new rimms are 1,5kg lighter per piece which also makes another 6kg. A new KW-sport suspension is added for better handling.

The exhaust system is replaced with a titanium one from Akrapovic which makes up for another 23kg.

Less weight and more power. We like it.

The E92 isn’t really what you call a modest car but Vorsteiner brings us an aero kit which we can only describe as completely mental.

The kit exists out of a front carbon fiber bumper, carbon fiber front fenders, carbon fiber side skirts, carbon fiber rear quarter panels and a carbon fiber rear bumper. Enough carbon fiber for you?

One of the nicer features is the front bumper with the replacable front splitter. This kit is trully meant as a racecar kit for the road.

BMW must have thought the M3 wasn’t good enough yet and for some people the GTS isn’t an option so they bring us the M3 competition.

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Another impression of the M3. We have already seen a lot of tuned versions of the M3 but this is the first one I ever see from Royal Muffler. A tuning company from California I’ve actually never heard of before…

Royal Muffler has been around for 30 years so I personally find it very strange I’ve never heard of them, being a BMW fan.

Many details are yet unknown but we do have some pictures and from those we can tell they installed some wicked rimms, an agressive styled bodykit and a custom paintjob. Royal Muffler claims it is a total rebuild project so we can assume that there will be some major changes under the hood aswell.

We know the Manhart from the custom M3 touring they’ve built a couple of months ago but for the Essen Motorshow they gave this awesome car a little update….

New colour, new rimms and the V10 now produces 560bhp instead of 550. (507 is standard from the M5 engine used)

Since the car only weighs 1650kg it’s no rocket science to see great potential there.

The sprint from 0 to 100 is done in 4 seconds and top speed is clocked at 324km/h.

Besides the engine, other M5 parts are also being used. The front brakes, the SMG gearbox and the reardiff are all from an M5.

After bringing us a tuned version of the 335i convertible, they must have thought, more is better…. Therefor they bring us the Thunderstorm M3.

A supercharger makes the 4.0 V8 produce 500bhp and it only costs about 13.000 USD. Exact performance numbers are unknown but we’re pretty sure they will be satisfying.

No changes to the exterior but they also offer a new exhaust system, 20″ RIMMS and an optional KW suspension.