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[赛车世界] BMW N46

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aatest 发表于 2018-6-13 01:45:23 | 显示全部楼层 |阅读模式 打印 上一主题 下一主题
 
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BMW N46 is a straight-4 DOHC piston engine which replaced the N42 and was produced from 2004 to 2015.


Compared with its N42 predecessor, the N46 features a revised crankshaft, intake manifold[2] and valvetrain.[3] In 2007, the N46 was updated, which was known as the N46N. Changes included the intake manifold, exhaust camshaft and the engine control unit was changed from Bosch ME9.2 to Bosch MV17.4.6.
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aatest 发表于 2018-6-13 12:58:15 | 显示全部楼层
 
The N46 serves as the basis for the smaller N45 engine (which does not have valvetronic).

In 2007, the N46's successor - the N43 - was introduced. However, the direct-injected N43 was not sold in countries with high-sulfur fuel, so the N46N continued to be produced alongside the N43. The N46N continued production until 2015, when the last N46 models were replaced by the turbocharged N13.
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