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BMW halts delivery of several M cars for rear differential problem

BMW issued a stop-delivery order on 202 cars this week. The affected vehicles include the M2, M3, M4, M5, and 5 and 6 Series models. They were produced between May 12 and July 4, 2016. According to a service bulletin by BMW, which was published on Bimmerpost, the affected vehicles will need a new rear differential. The bulletin doesn't state what's wrong with the rear differentials, and a BMW spokesman did not have immediate comment on the issue. BMW will update the bulletin with more details on warranty information and repair instructions as they become available. Owners can contact BMW to find out if they're affected. BMW has issued several recalls this year. Just last month, the automaker recalled more than 200,000 SUVs for lower child-seat anchor bars, as well as potential damage and failure to the universal join on the front driveshaft. In February, BMW recalled 840,000 vehicles to replace faulty Takata airbags, while 6,110 units of the 2016 7 Series were added to the same recall in April. Related Video: News Source: BimmerpostImage Credit: BMW Recalls BMW Coupe Performance Sedan bmw m4 bmw m2 service bulletin

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.

BMW readying impressive track-focused M Power App

There are a lot of questionable automotive apps that people put on their smartphones these days, but BMW has created what could be one of the most useful and integrated car apps ever. The new M Power App, which will be available this summer only for Apple iPhones, allows BMW owners a whole new way to record their performance on the street or on a track. During the launch of the recent BMW M6 Gran Coupe, BimmerPost was able to get a full demonstration of how this new app works.
Far more involved than the current M Power Meter, the M Power App records data from in-car sensors and acts as a telemetry tool to allow drivers to see how they did on a particular track. Aside from an overlay on a track map showing acceleration and braking applications as well as head-to-head comparisons, the app also shows a line graph of everything from brake and throttle inputs to g-force, fuel mileage and engine speed. A small visual on the screen also shows steering angle, and lap times and speeds can all be stored as well. The data can even be shared with others, whether for bragging rights or instruction purposes.
This app works on any newer BMW equipped with the BMW Apps option, but the phone must be tethered to the car and the data understandably cannot be viewed while driving. Scroll down for the video demonstration recorded recently at Austin's Circuit of the Americas.