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Rough idle problem hits Scion FR-S, Subaru BRZ coupes

Toyota and Subaru are grappling with reports of rough idle and stalling conditions on their new sporty coupes. The problems on initial batches of the Subaru BRZ coupe and its Scion FR-S twin--known as the Toyota FT-86 outside the United States--is being caused by a software mapping glitch. Toyota Motor Corp.

Toyota GT86 & Subaru BRZ getting Cosworth Performance upgrades (video)

Cosworth promise power upgrades for the FA 20 engine Ever since the Toyota GT86 and Subaru BRZ arrived as ‘affordable’ sports cars with a focus on the dynamics rather than outright power, there’s been endless claims and rumours that more power is on the way. As far back as 2011, Subaru in the US confirmed that a turbo version of the BRZ’s 2.0 litre FA20 Boxer engine was under development although, to be fair, they didn’t say it was actually heading for the BRZ. And just last year, Subaru teased what we thought could be a more powerful BRZ STI, but that turned out to be a BRZ tS with go faster bits but no more actual power.

New BMW M3 and M4 engine secrets laid bare

BMW's M division has lifted the veil of secrecy on the inline six-cylinder engine bound for its upcoming M3 sedan and new-to-the-range M4 coupe and convertible, revealing a potent twin-turbocharged 3.0-liter direct injection gasoline unit that produces an official 424 hp at 7,500 rpm and what officials describe as "significantly more than 369 lb-ft" of torque. The newly developed engine, known under the internal codename S55 B30, shares its 84.0 mm bore and 89.6 mm stroke with BMW's standard turbocharged 3.0-liter in-line six-cylinder direct-injection gasoline mill, the M55 used across the German car maker's lineup, endowing the aluminum block unit with an overall swept volume of 2,979 cc. This represents a sizeable 990 cc reduction on the engine BMW's M division's new unit replaces, the S65.