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BMW reveals M4 safety car with innovating water injection system [w/video]

Racing series don't just pick their safety cars at random, or use just whatever car is lying around. These days the car that sets the pace at the front of the pack is typically provided through consideration by a sponsor. In the MotoGP series, that's BMW and its M division, which have served up the Official Car of MotoGP since 1999. What you're looking at is the latest, and it packs some innovative technology on board. Aside from the matte black wrap with BMW's iconic striped livery, upgraded aero kit, retrofitted interior and emergency equipment, this BMW M4 coupe packs a new injection system under the hood. Only instead of injecting fuel, it injects water into the combustion chamber – something that wouldn't usually be recommended, but BMW insists actually aids in the combustion process. The idea is that the temperature of the air being mixed with the fuel inside the engine is usually hotter than ideal, so the system injects a fine mist of water into the collector in order to reduce the air's temperature... sort of like one of those hydrating misters at an amusement park or outdoor mall, but in an even hotter environment. The system brings the temperature of the air down to a more optimal temperature, helping it combust better. The process is said to yield a number of positive effects. For one, it reduces knocking. For another, it can make more out of lower-octane fuel where higher octane isn't available. It also can control the adverse effects of higher ambient temperature on the combustion process. But most of all, it increases output and reduce fuel consumption by around eight percent. Whether that eight percent is worth the added weight of the system – particularly with water pump and a 1.3-gallon tank in the trunk – is up for debate. But we'd imagine that the Bavarian engineers have weighed very carefully. Of course there's also the matter of refilling the water tank, which BMW says would be carried out whenever the safety car is refueled, but in real-world conditions would only necessitate attention once every five top-ups at the gas station. By now you might have guessed that BMW probably didn't develop this system just for the MotoGP safety car, and isn't planning on keeping it confined to the racetrack. Instead it's being tested and demonstrated on the safety car before being rolled out on production models in the future.

Best electric sedans of 2024

While the American automotive trends tend to lean toward SUVs and trucks, and sedans seem to be dying out, there are some great four-doors out there in the EV market. They may not have the bulk, the high vantage point, or the storage capacity of the utes, but some folks still want a car that’s, well, a car. A sedan might not always have as much room to cram in a big battery pack, either, but they also donÂ’t weigh as much. They tend to be more lithe, sexy and agile. And theyÂ’re generally cheaper than their bigger brethren, too, though some of the full-size luxury sedans can still get well into six-figure pricing. If thatÂ’s not your thing, you can check out the best electric SUVs, but if youÂ’ve read this far, you probably enjoy sedans as much as us. WeÂ’ve tested quite a few, and these are the best electric sedans of 2024.   Best electric sedans below $60,000 Tesla Model 3 — $40,380 The Tesla Model 3 is one of just two sedans (along with the Hyundai Ioniq 6) to make it onto our list of best EVs under $50,000. ItÂ’s quite the value, too, with a starting price of just $40,380. ItÂ’s also fun to drive. Yes, it has some quirks, including too many vehicle functions residing exclusively in infotainment menus, but the Model 3's idiosyncrasies are easy to forgive based on its price and range, and they're things you can quickly get used to or possibly even appreciate. No wonder this EV is so popular.   Hyundai Ioniq 6 — $43,565 Of the sedans on this list, the Ioniq 6 is one of the most affordable (starting at $43,565), and one of the best. ItÂ’s quite efficient, with long driving range — up to 361 miles. Its cabin is creative in its design while being practical and comfortable. Interestingly, the Hyundai Ioniq 6 is the sportiest version of Hyundai and KiaÂ’s E-GMP cars, apart from the high-performance Kia EV6 GT. Its design, value, range, fast charging and other useful tech easily make it one of best electric sedans you can buy.   BMW i4 — $53,195 Though the BMW i4 is essentially an electric version of the 4 Series Gran Coupe, this EV sedan is something special. ItÂ’s packed with power and great driving dynamics in true BMW style. The rear-drive i4 eDrive40 is one quick car, but the i4 M50 is ridiculously fast. If you can get past the questionable nose and the iDrive 8 infotainment system, the i4 is an electric sleeper, and a performance bargain.

Watch two championship-winning DTM cars from BMW go head-to-head

BMW recently had a little fun with two of the company's past DTM champions. Roberto Ravaglia and Bruno Spengler, winners of the 1989 and 2012 championships, respectively, both showed up at the world-famous Hockenheimring with their title-winning cars. The two swapped seats, with Ravaglia taking the helm of Spengler's BMW M3 DTM racer and Spengler sliding behind the wheel of Ravaglia's first-generation M3 racer in the classic BMW Bank livery, and headed for the track. Spengler got a 23 second head start in the first-gen M3 with Ravaglia chasing behind.
It didn't take long for the older hotshoe to sort out his new ride and close the gap. The short clip below follows the two as they make their way around the circuit, but the really interesting portion comes when the pair begin discussing what they like and don't like about each other's machines. You can check out the full video below for yourself.