its the difference between bmw M Gmbh and ordinary bmw. plus i have all pistons ceramic coated, rings replaced, bumped up compression ratio to 11.3, lightweight connecting rod. all these helped to bump horses to 280作者: gibsonlx 时间: 2008-9-18 14:46 标题: 回复:美国车友报道+图片 很强很专业,感谢分享作者: zjet 时间: 2008-9-18 22:14 标题: 回复:美国车友报道+图片 非常之专业的同学,心动+手动!作者: 草蜢 时间: 2008-9-19 07:12 标题: 回复:美国车友报道+图片 楼主很是专业哦,有料有料~