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BMW and Samsung enter expanded battery agreement [w/video]

What's good for the goose is good for the gander. In this case, the goose is BMW and the gander is Samsung. And their five-year plan has worked out well. The German automaker this week expanded its current agreement with the South Korean battery-making giant. BMW and Samsung SDI reached a memorandum of understanding for Samsung to keep making batteries for BMW's growing stable of i3 battery-electric and i8 plug-in hybrids as well as yet-to-be revealed hybrid models. No dollar amount or new time frame was revealed, but with BMW already moving about 5,400 i3 vehicles during the first six months of the year, there should be a substantial amount of funds changing hands. BMW started working with Samsung in 2009 when it began buying batteries for its Megacity electric vehicle from SB LiMotive, a 50-50 joint-venture between Samsung SDI and Bosch. Things have been looking up for Samsung since last August, when Tesla Motors decided to diversify its battery supply chain by branching out beyond Panasonic and buying some of its lithium-ion batteries from Samsung. Feel free to check out the Samsung-Bimmer press release, along with a video report, below. BMW Group and Samsung SDI expand partnership BMW Group and Samsung SDI expand partnership: Signing of a memorandum of understanding for delivery of further battery cells in signing of MoU for delivery of further battery cells Seoul. The BMW Group and Samsung SDI plan to expand their supply relationship for battery cells for electro-mobility. The two companies signed a memorandum of understanding (MoU) to this effect today in Seoul. Samsung SDI will supply the BMW Group with battery cells for the BMW i3, BMW i8 and additional hybrid models over the coming years. The most important elements of the agreement are the increase in quantities delivered over the medium term, in response to growing demand for electro-mobility, and further technological development of battery cells. Dr. Klaus Draeger, member of the Board of Management of BMW AG, responsible for Purchasing and Supplier Network: "Our partnership with Samsung SDI is a good example of successful Korean-German cooperation on innovative technologies. The battery is a key component in every electric vehicle – since it basically determines the range and performance capabilities of the car.

BMW i8's three-cylinder sounds like it's shaping up quite nicely

We've run across some rather interesting news... or perhaps we should say interesting sounds. The folks from Bimmerpost have scrounged up a short video showing a preproduction BMW i8 running through a few gears in Sport mode at a quick pace, and if you were concerned that the somewhat eco-friendly nature of the upcoming German sports car would neuter its ability to stir the aural senses, fret not.
Judging by the lovely noise coming from the engine compartment of the i8 in the video, BMW's expertise in tuning high-strung, small-bore engines - remember, BMW Motorrad has quite the penchant for well-conceived motorcycle engines - has come through loud and clear. Now, it's worth mentioning that BMW's controversial Active Sound technology will be included with the i8, so the production car may not sound exactly like this version, which is running with the tech disabled. Owners won't have the ability to disable Active Sound on production i8s.
In related news, Bimmerpost reports that BMW will equip the i8 with an external Active Sound Design system to go along with its Pedestrian Protection System. That means those on the outside will likely hear piped engine recordings from the rear and a sort of "howl" from the front in order to warn pedestrians that the otherwise quiet (when running on electricity, that is) car is approaching. It will also feature technology that can stop the car before contacting a pedestrian.

Alpina B4 coupe will be your subtle M4

We're big fans of Alpina here at Autoblog - the BMW tuner has created some seriously delicious products in the past, and recently tuned the diesel-powered 3 Series wagon to create the D3 Bi-Turbo. What we like most about Alpina is how the cars only look subtly more aggressive than stock, yet they pack a real wallop under the hood.
Take this B4 Coupe, recently spotted testing at the Nürburgring. It looks pretty tame compared to the normal 435i, the only visual additions being the Alpina-standard 21-spoke wheels, modified front lip and rear wing spoiler. But under the hood, Alpina is reportedly working on a tuned, twin-turbo straight-six that produces something like 410 horsepower. That means the B4 should be good for a 0-62 time of 4.2 seconds, with a top speed around 190 mph. Rear-wheel drive will be standard, though our spies suggest that Alpina could also use all-wheel drive here in the B4.
We have no doubt that the next BMW M4 will be super hot, but for those seeking a bit more stealth and exclusivity, this Alpina B4 certainly looks the business. Check it out in our gallery above.