AUBURN HILLS, Mich., Nov. 14, 2017 /PRNewswire/ -- BorgWarner's
new, world's first regulated two-stage (R2S®) turbocharging system with four turbochargers for passenger cars debuts
in the BMW Group's latest TwinPower Turbo diesel engine, available for different high-performance models. While a conventional
R2S system features one turbocharger for the low- and high-pressure stage respectively, this unique application utilizes two
turbochargers for each stage. It thus provides higher efficiency, which contributes to constant and fluid power delivery over the
entire rev band, and helps improve fuel efficiency up to 4 percent compared with the engine's predecessor.
"BorgWarner's latest and most sophisticated R2S system features four turbochargers to take boosting to a whole new level and
help our customer achieve the highest demands for power and efficiency for an exciting driving experience," said Frédéric
Lissalde, President and General Manager, BorgWarner Turbo Systems. "We introduced our R2S turbocharging solution into the
passenger car market in cooperation with the BMW Group and are pleased to take the next step together. This prestigious project
helps reinforce our position as a market leader in turbocharging technologies."
Featuring four turbochargers, BorgWarner's advanced two-stage turbocharging system boosts the new 3.0-liter 6-cylinder inline
diesel engine to achieve a power output of 294 kW (394 HP) and a maximum torque of 760 Nm. To meet these high requirements and
provide outstanding performance, BorgWarner replaced the low-pressure turbocharger with two smaller ones to reduce inertia for
faster response without increasing system weight. At low engine speeds, one high-pressure turbocharger quickly generates boost
pressure for rapid acceleration without any noticeable turbo lag. At higher flow rates, both high-pressure turbines operate to
increase the capacity.
About BorgWarner
BorgWarner Inc. (NYSE: BWA) is a global product leader in clean and efficient technology solutions for combustion,
hybrid and electric vehicles. With manufacturing and technical facilities in 64 locations in 17 countries, the company employs
approximately 27,000 worldwide. For more information, please visit borgwarner.com.
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SOURCE BorgWarner