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The BMW M52 is a straight-6 DOHC piston engine which replaced the M50. The M52 was produced from 1994-2001. Compared with its M50 predecessor, the M52 uses an aluminium block. However, North American models used iron blocks instead (except in the Z3), therefore the North American M52 is more akin to the M50TU. In 1999, the ''M52TU'' ("technical update") was released, upgrading the variable valve timing to also adjust the exhaust camshafts (called "dual VANOS" by BMW), adding electronic throttle control (which uses a throttle cable as backup) and a dual length intake manifold (called "DISA" by BMW). The M52 and S52 engines were on the Ward's 10 Best Engines list from 1997 to 2000. The S52 engine, used in the 1996-1999 E36 M3 and in the 1998-2001 E36/7/8 M Roadster/M Coupe for the Canadian and USA markets, is based on the M52 engine (in other markets, the equivalent engine was a 3.2 litre version of the S50). ==Models== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BMW M52」の詳細全文を読む スポンサード リンク
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