Google "HPFP" (high pressure fuel pump)

You will see what the problem is.

所有跟帖： 

• 人家广告是开得舒服，又不是经久耐用。有四年保修，再加二年延长。 -jin_yin_hua- ♂ (0 bytes) () 05/01/2010 postreply 00:09:01

• 550 = 开得舒服 -Roadster- ♂ (31 bytes) () 05/01/2010 postreply 00:48:23

• 我门对舒服可能认识得不一样。 -jin_yin_hua- ♂ (0 bytes) () 05/01/2010 postreply 09:54:53

• Which thing 535 has but 550 doesn't? -Roadster- ♂ (22 bytes) () 05/01/2010 postreply 12:21:08

• 别总盯着HPFP了，新的550是TWIN TURBO，新535不会有HPFP -extrayida- ♂ (43 bytes) () 05/02/2010 postreply 02:08:54