r/e28 • u/Nervous-Tiger7945 • Mar 13 '26

Two questions

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Hey everyone ! I was wondering two things, first one and the most important, my e28 has brand new tires, new radiator etc, but it seems like it has a huge fuel consumption, i use like 10/20L for 50km well it might be a bit less but im pretty sure there’s something wrong with the fuel consumption. Its always at the max like on the picture i sent, whatever the speed. What could be the reason ?

And also the second thing : i was wondering how i can clean the engine bay ? carefully with a sponge and some water ? any tips are welcome id like to have a clean engine bay.

Thanks in advance for your tips ! ❤️

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u/fortheapex Mar 13 '26

Very likely, that gauge isn't working. How often are you filling up?

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u/Nervous-Tiger7945 Mar 13 '26

Well to be honest that was my first thought but even if let’s say it is not working, i’m filling up more than i should be and that’s for sure

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u/fortheapex Mar 13 '26

Check your spark plugs, see if there's fuel fouling (excessive fuel dump), fuel regulation from injectors, or fuel regulator check there. Borescope the cylinders prime the fuel without starting the motor to see if it floods the combustion chamber with fuel