Bmw 735i 1990 Questions

when cold, 1986 bmw 735i  hard to start...gas ...

when cold, 1986 bmw 735i  hard to start...gas leaking onto left side(drivers) manifold or engine block.  sometimes intermittant.  

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my driver side orange conner running light, small red running lights(both front and rear driver side), and the driver side tail light, all intermitintly go out (all the the same time).., then mysteriously they all come back on a day or week lat