轉戰房車賽？陳乃嘉測試BMW 320i WTCC賽車
http://chinese.autoblog.com/2010/09/05/kevin-chen-tests-wtcc/
alfasaab wrote:
用直4而不用直6??...(恕刪)
BODY
BMW 320si E90, 4 doors
ENGINE
4-cylinder in line, longitudinally installed; distribution: two overhead camshafts, 16 valves; displacement: 1999 cc; bore x stroke: 86 x 86 mm; compression ratio: 11:1; maximum output: 278 bhp @ 8300 rpm; maximum torque: 245 nm @ 7250 rpm; engine management: BMW Motorsport ECU 404; lubrication: wet sump.
TRANSMISSION
Rear-wheel-drive; gearbox: BMW Hpattern 5-speed, with straight cut gears and dog engagement; clutch: carbon-fibre single-plate; differential: mechanical limited slip differential.
CHASSIS
Front suspension: double-joint strut, coil springs, gas-filled dampers, anti-roll bar; rear suspension: five-arm multi link axle, coil springs, gas-filled dampers, anti-roll bar; steering: power assisted rack and pinion.
BRAKES
Power assisted dual circuit system; front brakes: 4-piston calipers, 332 mm steel ventilated discs; rear brakes: 2-piston calipers, 291 mm steel discs.
DIMENSIONS
Length: 4535 mm; width: 1845 mm; wheelbase 2763 mm; minimum weight: 1140 kg including the driver.
我相信用上四缸引擎是為了符合比賽規則以及配重考量
320is 沒有turbo 雖然8300rpm看起來也不是高到離譜的轉速
不過引擎的平衡做的好，還有使用的油料都會使引擎有不一樣的輸出
能算是市售嗎?)的"名聲" 相信大家"耳熟能詳"... 
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