求翻译：BMW M系列作为最能代表技术和实力的车系，是BMW最为骄傲的产品之一，但在中国却鲜为人知。BMW自2009年做过一次M3上市活动以外，没有展开其他市场推广的活动。是什么意思？

bmw m series as the most representative of the technology and the strength of the car, bmw most proud of one of the products, but little is known in China. bmw has done since 2009 other than the first m3 listed activities, expand other marketing activities.

BMW M series as the most technical and strength, the most proud BMW is one of the products in China, but it was not well known. Since 2009 BMW made a M 3 listing activities, there is no other marketing activities.

The BMW M series achievement most can represent technical and the strength vehicle department, is one of BMW most arrogant products, but is actually rarely known in China.BMW has engaged in outside a M3 going on the market activity from 2009, has not launched other market introduction the activity.

BMW m series cars as the most representative of the technology and strength, is one of BMW's most proud products, but are little known in China. BMW did a M3 2009 activities, there is no other marketing activities.

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