It’s a Manhart MH3 V8 R Biturbo and every bit of the name is justified. The heavy and industrial kind of pronunciation is necessary in order to warn people of what’s going on.

The M3’s standard 4.0 liter naturally aspirated V8 engine is a pretty cool proposition and will outperform justa bout any usual request it is faced with.

When you mess around with high end German tuners showing off for the current Essen Motor Show it’s not even good enough for a base setup.

The guys at Manhart merely chucked it all out and replaced it with chunkier, more modern BMW sourced V8, namely the 4.4 liter twin-turbocharged unit out of the X6 M.

It’s something that usually provides more than sufficient tork to lug around something weighing in at nearly twice the M3.

Even so, it felt like it wasn’t enough so the ECU and turbos receive a bit of a going over in order to produce a total of 655 horsepower and 719 lb-ft of torque.

The gearbox and rear diff receive some strengthening in order to handle all that grunt. The ideal is unusual but the removal of the max speed makes it all worth it.

The Manhart MH3 V8 R Biturbo can hit a top speed of 199 mph. It almost certainly can accelerate some way or another but that colossal torque is a problem for launches.

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There’s no disappointment in supporting them as they constantly come up with great stuff, particularly the extreme tune-ups of their Hurricane lineup.

That lineup was just expanded to include the wonderful 1 Series M Coupe. The standard car is great and so is this, despite being far from it.

The exterior is pretty much left unchanged and if it weren’t for a new set of alloy wheels, it would be relatively easy to mistake the two cars.

Getting inside either of these models will not feel strange either. The interior of the G-Power one gets a bit of an advantage thanks to Alcantara, a different steering wheel and new seats.

Once you start the engine, things change up. It’s no longer a 1 Series M Coupe that happens to have some bits of the M3.

It’s actually all M3 underneath, everything from engine to rear wheels, SMG transmission included. Great news but it wasn’t enough.

The 4.0 liter naturally aspirated V8 from the E92 also gets a supercharger kit. A few extra mods are needed, among which we count a new airbox but the effort is more than worth it.

That’s because the G-Power G1 V8 1 Series M Coupe develops 600 horsepower and 428 lb-ft of torque. That power would make an M3 seriously quick, so you can imagine what it does to a 1M.

Performance figures call for a 4.4 second 0 to 62 time (mostly because of a tricky launch) and a top speed of 205 mph.

Enough said.

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It kind of works, things are nicely broken down but the amazement factor of the intricately named tuning package for the M3 still stands out.

If you thought the G-Power Tornado RS you’re in for a shock. If you thought the Dinan V10 M3 you’re in for an even bigger shock this time.

Manhart racing have taken out the 4.0 liter V8 engine and swapped in the 4.4 liter twin-turbo V8 you get in a BMW X5 M. That’s essentially the same S63 you get in the F10 BMW M5.

Not that it wouldn’t be enough but the German tuner then optimized that engine so that it would push out a great deal more power.

Figures for the Manhart MH3 V8 RS Clubsport speak of it being capable of 750 horsepower and 671 lb-ft of torque. Containing that sort of grunt isn’t easy.

The MH3 V8 RS uses the same transmission as the X5 M and the rear differential is the same as you’d find on the E60 BMW M5.

Still, the numbers don’t cease to amaze. The weight of this seriously tricked out bimmer is just 1.590kg now.

Going from 0 to 62 takes nu more than 3.2 seconds and the top speed is yet to be achieved. So far, the tuner estimates that 217 mph or more is possible.

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At the same time, it’s not exactly the roadster designed with California or Cote d’Azur cruising in mind either. Jack of all trades and master of none you’d think, but that’s not the case either.

There have been more than one reference to the BMW Z8 as the rebel child of the brand and the slayer of tuners. No matter how they tried to tweak it, results weren’t impressive.

With Alpina however, the ambitions were even greater and the results were somehow barely noticeable. It’s such a shame, because the German tuner had a lot of bold decisions.

The most important of which was dropping the E39 BMW M5 engine from the mix and replacing it with the tuner’s tweaked version of the X5’s unit.

It dropped the power but it increased the torque and gave the engine more of a cruising burble than a racing shout.

The new figures are 375 horsepower and 383 lb-ft of torque, 0 to 60 takes 5.3 seconds and the top speed is electronically limited to 161 mph.

Those massive 20 inch wheels may be a bit of a compromise in terms of comfort but at city cruising slow speeds that’s ok and the new automatic gearbox will also help.

Alpina’s Roadster V8 is actually considerably more purposed than the Z8 but what’s going to really make it stick is the limited edition factor.

Only 555 units were ever made and whereas the BMW Z8 never really lost any value, the Alpina tweaked cars are actually gaining some.

Images via Ultimatecarpage

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