Alright guys, looking for some help as I'm an m42 newbie. Picked up a 91 318is a couple of months ago and have noticed my fuel economy is probably worse than my old m20, but there are no immediate signs of where I should be looking, other than smelling gas over 3/4th filled tank. I haven't noticed any spotting that makes me think leak, my air filter is clean, temps seem in order, tried swapping spark plugs as the PO included them with the sale of the car, and it didn't change anything. The gasoline smell is most prominent on passenger side, near fuel fill up door. Car also has Mark D 93 octane chip and only gets 93 octane from Shell and Sunoco (no cheapo gas).
Where should I go from here? I want to get under it either this Sunday or next Thursday, whenever I get some free time.
Where should I go from here? I want to get under it either this Sunday or next Thursday, whenever I get some free time.
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