Because BMW provides free services

They try to cut cost by pushing the limit of oil change interval. Not good for engine long term wise.

Many BMW owners change oil at 7.5k-10k instead.

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俺的2K就被招去换油~ -^3.1415926^- 给 ^3.1415926^ 发送悄悄话 (0 bytes) () 08/20/2010 postreply 05:43:13

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