2012 BMW Z4 sDrive28i benefited 4-cylinder engine with the new U.S. linep. 2012 BMW Z4 sDrive28i The plan will go on sale this fall, and will replace the BMW Z4 models sDrive30i. 2012 BMW Z4 sDrive28i using the new 4-cylinder engine capable of producing 240 HP at 5000 RPM and maximum torque reached 260 lb-ft at just 1250 rpm. It is highly increased 30% from inline-six engine RPM before and after.
The 4-cylinder engine features an all-aluminum crankcase and is lighter and more compact than a 6-cylinder engine. The turbocharger is a twin-scroll system. The exhaust streams out in two separate pairs of cylinders, flowing through the exhaust manifold and the turbocharger, then circulating to the turbine wheel.
The new 2012 BMW Z4 Offered sDrive28i will of some eight-speed automatic gearbox offers fuel and profit of about 20% of the naturally aspirated engine replaces.
BMW is still mum on the fuel-efficiency gains of moving from the six to the turbo four, but Enough We’ll find out soon. The Z4 sDrive28i hits showrooms this fall.