With 0-100 kph in 4.9 seconds with an autobox, the Alpina B3 Bi-Turbo (based on the 335i) will keep a E92 M3 owner very busy with the clutch/gearshift to keep up...

http://www.worldcarfans.com/tuners.cfm/c...i-turbo-details

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The heart of the B3 Bi-Turbo offers 265 kW (360 hp) at 5,500 - 6,000 revolutions per minute, as well as maximum torque of 500 Nm from 3,800 - 5,000 rpm.

The BMW ALPINA B3 Bi-Turbo embodies pure driving enjoyment - whether cruising along or enjoying all 7,000 revs in each gear. The reason for the spontaneous responsiveness of the B3 Bi-Turbo is the ZF 6-speed sport automatic transmission with its very short shift sequences, which smoothly processes the power through the drivetrain without any uncomfortable interruption of forward momentum.

The engine's kick surprises even those in the know: 0-100 km/h in 4,9 seconds and thrust-like acceleration that keeps pulling all the way up to a top speed of 285 km/h.