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2015 Dinan M235i First Drive

The first rule you learn about playing hide-and-seek is to wait until the seeker is out of sight before you move on to your next position. That feeling comes back to us as we're sitting in the Dinan-tuned 2015 BMW M235i on the twisty stretch of Route 152 near Gilroy, CA. Construction restricts the road to one lane before opening up to five miles of uninterrupted switchbacks. A local tipped us off to pull over and wait for traffic to clear, guaranteeing an open road and no risk of law enforcement seeking us out. Our first turn behind the wheel of the Dinan M235i started just a few miles north at the tuner's engineering and development center, located in an unassuming office park south of San Jose. Dinan conversions are known for being simultaneously subtle and awesome; an enhancement of products that already stand out in their respective classes. Dinan obtains its R&D cars through consumer channels, unlike some tuners that get early access to BMW's engineering for their own development projects. The development process is "reverse engineering," as technical director Casper van der Schoot describes it. Some development cars also come to Dinan through the generosity of its owner fan base. Customers hand over personal vehicles in exchange for discounted products. An M2 is already on order, and the Dinan engineers are on the edge of their seats waiting to take it apart. The Dinan treatment of the M235i increases performance without reinventing the dynamically sound package. As with other Dinan cars, the treatment on the M235i increases performance without reinventing the dynamically sound package. Approved dealers can install the Dinan parts, as can "anyone with a modest amount of technical aptitude," according to van de Schoot. Dinan's approach is to extract more of the best aspects of BMW products before supplanting stock parts with its own. That's why the M235i, like all Dinan products, comes with the eponymous Dinantronics engine control unit that remaps and finds more power from the stock inline-six-cylinder engine. A bespoke carbon-fiber cold air intake and stainless steel free-flow exhaust system add at least 15 more horsepower. The most significant alterations in the M235i's engine bay are a Dinan-rebuilt turbocharger and larger intercooler, which help increase total output beyond 440 horsepower. At this point you might wonder if all this untapped capacity is at BMW's disposal from the start, why does it take Dinan to release it?

BMW unveils 2016 X5 M and X6 M super CUVs

The second-generation BMW X5 M and X6 M have officially made their arrival for the speed-obsessed, crossover-loving masses that aren't willing to turn to Mercedes-AMG or Land Rover Special Operations.
While the new models retain their 4.4-liter, twin-turbocharged V8s, power has increased from 555 horsepower to 567 ponies. Torque is up more significantly, climbing from 500 pound-feet to 553 pound-feet. The extra twist is slightly less accessible, with peak grunt arriving between 2,200 and 5,000 rpm, rather than the earlier model's 1,500 to 5,650. Still, we'll take the ten percent increase in torque as a net win.
The big powertrain switch sees the old X5/6 M's six-speed automatic replaced with an eight-speed Steptronic transmission from BMW M. This new gearbox feeds power to an xDrive all-wheel-drive system that can variably shuffle up to 100 percent of power to either axle. In conjunction with the force-induced thumper under the hood, this powertrain arrangement allows both M models to hit 60 miles per hour in just four seconds. That's a mightily impressive stat in a 5,000-plus-pound vehicle.

Watch this BMW take flight at Viru Rally

An E36 BMW 3 Series might be a good choice for a lot of purposes - a long road trip, a track day, rallycross, impressing your friends... but a full-on rally? It's rear-drive when the best rally machines are front- or all-wheel drive. But that didn't stop Pritt Koik and Alari-Uku Heldna from entering their stripped-out E36 in the Viru Rally in Estonia... or from getting some big air time when they did.
Fortunately the jump was not just caught on video... it was caught on video from three angles: two from the side of the rally stage and one from inside the cockpit. Check out all three below to see how this particular BMW got back into the aircraft business.