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Mercedes says it's tops in luxury sales for 2012, not BMW

It turns out that Mercedes-Benz North America has legitimate claim to being the top selling luxury nameplate in the US in 2012.
While sources such as Autodata had put BMW in the top spot, registration data from R.L. Polk shows that Mercedes customers registering new vehicles topped the Bavarian automaker in the most recent calendar year. Polk says Benz posted 274,123 registrations, compared with BMW's 268,498.
In terms of sales posted, BMW had bested Benz 281,460 to 274,134. But sales are recorded somewhat inconsistently from automaker to automaker. Some book the sales as soon as they are shipped from factory to dealer. There is perennial gamesmanship between the two German rivals, and the sales numbers suggest that BMW pushed out some extra sheetmetal to dealers in the last four weeks of the year.

BMW crushing ActiveE EVs, saving all batteries

It's unlikely to spark a movement and a movie, the way a certain EV1 did a decade ago, but anyone who's seen Who Killed The Electric Car? will likely cringe at this bit of news. Despite the fact that crushing and recycling old vehicles is standard operating procedure in the auto industry, when EVs are involved, it's always a touchy subject. The next phase will see "all of the lithium-ion batteries being repurposed for Battery Second Life research projects." So, what's the news? Well, the image you see above, which comes from the spotting of 16 smashed BMW ActiveE EVs on flatbed trailers on California Route 91 near Los Angeles, CA. EV advocate Chelsea Sexton told Green Car Reports, "It's all very deja vu, right down to [BMW's] DriveNow promotion as a don't-look-behind-the-curtain distraction – recall GM touting EV1s being donated to museums and universities? – and VINs spray painted on the sides, allowing former drivers to identify their own cars." BMW's take on this is that the ActiveEs were always meant to have a limited lifespan, and their time has come. As spokesman Dave Buchko tells AutoblogGreen, "The learning begun with the ActiveE will transition to the next phase with all of the lithium-ion batteries being repurposed for Battery Second Life research projects." (You can read his full statement below.) Originally, there were 700 ActiveEs leased to Electronauts (give or take). Yahoo! Autos points out that the ActiveEs were originally imported into the US as "pre-production" cars, which means they can't be sold, they can only be used for carsharing projects or re-leased. Eighty of those ActiveEs recently found a second life as vehicles in BMW's DriveNow carsharing fleet in San Francisco (bringing the total of ActiveEs in the program to 150) and "some have also been returned to Munich for additional research markets," Buchko said. The big picture here is that no one should be sad to see these cars go. Yes, they may have had some life left in them, but the rules say their time is done and everything is being done to crush responsibly in accordance with the law. Like Plug In Cars says, we're in a completely different era now than we were when GM crushed all those EV1s a decade ago. Instead of marking the end of a plug-in vehicle program, sending the ActiveEs away to be recycled is a symbol of the evolution and growth of BMW's i Project.

Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.