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Porsche reportedly working on new turbocharged flat-four boxer engine?

These days, we've seen just about every automaker dropping cylinders in an effort to appease tightening fuel economy and emission standards - and Porsche is no exception. Nearly three years after introducing an all-new V6 powerplant under the front hood of its Panamera sedan (launched with a range of V8 engines) comes word that Porsche is working on an all-new turbocharged flat-four boxer to replace the flat-six engines mid-mounted in its Cayman and Boxster models.
Specifics have yet to be learned, but reports say the engine is a derivative of the current 3.8-liter six (shown above) found under the rear decklid of the Carrera S, yet with two fewer cylinders. Fitted with a turbocharger, direct-injection and the automaker's VarioCam Plus, the new all-aluminum 2.5-liter flat-four will likely develop upwards of 350 horsepower and 360 pound-feet of torque. Redline should be about 7,500 rpm. Initial indications say that Porsche will only offer the new engine with its seven-speed PDK dual-clutch automatic, tuned to take advantage of the low-end torque, but a traditional six-speed manual gearbox has not been ruled out. Despite the loss of two cylinders, enthusiasts will likely embrace the new engine as it promises to be lighter, more fuel efficient and more powerful than the 2.7-liter and 3.4-liter sixes in the Cayman/Boxster today.
Even though Porsche has been using Volkswagen Group engines for years (e.g., Cayenne V6, Cayenne Diesel and upcoming Macan), all indications are that the new flat-four will not be shared. Instead, it will be kept in-house for the automaker's sports cars and possible future fitment in an entry-level 911.

Porsche inspecting 2,500 Euro-spec Macans for damaged brake boosters

Porsche is investigating a potential brake issue with 2,500 of its new Macan CUVs. The inspection focuses on the state of the brake systems following tests that discovered the brake boosters may have been damaged during assembly.
Porsche has pointed out that, despite the concern, the affected Macans still meet safety regulations. The issue is predominantly found in European-spec Macans, which according to Porsche, have been delivered to consumers. Owners of affected vehicles in Europe will be notified and asked to come in for a brief, no-cost inspection.
American consumers, though, have no reason to worry. We reached out to Porsche Cars North America, who confirmed that the vehicles in question were assembled before US-spec cars were screwed together.

Porsche gives GT3 owners extra year of warranty, new engines in production April 22

While the auto industry reels from massive recall after massive recall, Porsche has quietly been working on a fix for an issue that's forced owners of the new 911 GT3 to park their track-ready rockets for fear of an engine fire. Thanks to a leaked letter from Porsche to a GT3 owner (which has been certified as real), we now have an idea of just where the German brand is at with the fix.
On April 22, Porsche will begin production of a new batch of GT3 engines for the 785 affected models across the globe. As you'll recall, the original issue rested with a screw joint that could loosen the connecting rod. The new engines have an "optimized piston rod screw connection," that should keep the connecting rod in place. Once technical validations are completed, production will kick off and new powerplants will be shipped around the globe for owners of the troubled cars.
Porsche will hand out a certificate to owners of affected cars once repairs have been completed, as a means of documenting the work. To make up for the trouble, Porsche will be giving owners an extra year on their new-vehicle warranty, while the 911 GT3 concierge will be reaching out to compensate them for having to park their car for so long.