Question about 2007 BMW 335i Coupe
Usually, the "half full" engine light is when the engine is in reduced power mode. The number one casue of this is a failure of the high pressure fuel pump. This engines fuel system is direct injection and operates at 50 bar (or 725psi). When it fails you only get 5 bar out of the electric low pressure fuel pump. Another symptom that goes along with issue is a longer than normal crank time in the moring. this issuse is not a huge problem the have repaired at the dealer and is covered under the facory warranty
Posted on Mar 04, 2009
Hi, Sounds like the service or check engine light. It could mean a lot of things from oil change to a major problem. You should take it in so an mechanic can put a scan tool on, and that will tell you what is going on.
Posted on Aug 23, 2008
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Posted on Jan 02, 2017
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