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BMW-Toyota sports car heading towards Tokyo debut

Earlier this year, BMW and Toyota confirmed a four-part joint venture mostly focusing on increasing improving vehicle efficiency using fuel cells, lightweight materials and better battery technology. Also tucked into the announcement was a "feasibility study" for a shared platform to underpin a future midsize "sports vehicle."
In terms of the latter, it seems that things have stepped up from the feasibility stage to the conceptual stage, as Motor Trend reports we could see a pair of new sports car concepts debut later this year in at the Tokyo Motor Show. There isn't much information about the new program, but the article suggests the sports cars could be all-wheel drive hybrids, with electric motors powering the front wheels and a gas engine powering the rear wheels. While a partnership between Toyota and BMW might not lend itself to a catchy portmanteau like "Toyobaru," here's hoping it will bear fruit that is as exciting as the ones produced by the Toyota/Subaru tie up.

BMW 1 Series prototype packs direct water injection

Just a few months ago, BMW showcased an M4 that was modified to serve as the safety car for the MotoGP racing series. The flashing lights and emergency equipment, however, weren't the only modifications BMW made to the performance coupe. It also packed an innovative new water injection system. And now it's furthering the development of that system by running it in a 1 Series hatchback as well. Revealed at the BMW Group Innovation Days 2015 event, this five-door 1 Series packs a three-cylinder gasoline engine – like the one found in a Mini or i8 – but fitted with the direct water injection system. In this application, the system sprays a fine mist of water – yep, regular old H2O – right into the combustion chamber. While mixing water with gasoline normally wouldn't be recommended, in this case it evaporates immediately and helps cool the engine from the inside, allowing it to run at higher efficiency. That cooler running engine brings with it several benefits. It delivers improved fuel economy and lower emissions, to start. It also allows for an earlier ignition point, higher compression ratio, and higher boost pressure in turbocharged engines, delivering increased output. It even cuts down on engine knocking (where combustion occurs spontaneously), reduces wear and tear on the engine, and makes better use of lower octane levels. If that sounds like a win-win-win... win (we're losing count of all the wins here), it's because BMW just may be on to something. Of course it does require a water tank to be fitted on board, which means added weight, but instead of requiring the driver fill up the water tank, BMW has fitted this prototype with a system that replenishes the water level from the air conditioning system when the vehicle is switched off. So unless it's being driven in a particularly extreme climate, it doesn't even need topping up. Add one more "win" to the list, then. Extra power, improved real-world fuel economy: Direct water injection enhances efficiency. With direct water injection for turbocharged petrol engines, the BMW Group has again succeeded in enhancing the capabilities of conventional engine technology through an ongoing process of refinement and improvement. The precisely controlled injection of water into the engine cylinders produces a cooling effect that boosts power and torque, particularly when operating at or near full throttle, while at the same time reducing fuel consumption and emissions.

BMW's fuel cell coming after 2020

Honda made news earlier this week at the Tokyo Motor Show by announcing details of the what will be its first production hydrogen fuel cell vehicle earmarked for the US next year. As for BMW? Not so fast. The German automaker might start working on a fuel cell vehicle for one of its larger sedan lines, but don't expect it to see the light of day before 2020, Reuters reports, citing remarks made by BMW executive Merten Jung in Tokyo. Bimmer has been collaborating with Toyota on advancing fuel-cell technology since 2013, but any production vehicle from BMW would take place after that collaboration expires. In fact, one point Jung made was that the BMW fuel cell would be able to go further on a full tank (of hydrogen) than the Toyota Mirai's 300+ miles. Earlier this year, reports surfaced that BMW may have a fuel-cell vehicle ready before the end of the decade, and that it would likely be sold under Bimmer's i brand of advanced-powertrain vehicles. Additionally, this summer, videos started coming out showing a hydrogen fuel cell i8 prototype (a rather sporty one, actually) as well as a 5-series prototype, so getting a handle on BMW's plans for fuel cell vehicles is a bit of a moving target. As for Honda, the Clarity will be earmarked for fleet and business customers in Japan first before marketing starts for everyday drivers. We've got some brief first-hand impressions of what it's like to drive a Clarity prototype here.