smell of fuel

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cass1_5503
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Mon Feb 04, 2008 6:19 pm

im wondering if any one can help i have quite a bad smeel of fuel more so when the car is cold i also have poor fuel economy but there are no leaks ive had the car on a ramp and everything is ok the car is a 1991 318i m40
any ideas
bmwe30mtech
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Mon Feb 04, 2008 6:24 pm

Usually the two rubber hoses found under the top half of the inlet manifold.

Remove the top of the manifold, and replace the rubber with new ones from BMW. Cured mine instantly.

Common fault, and easy fix.
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cass1_5503
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Mon Feb 04, 2008 6:30 pm

thanks for that fella
cass1_5503
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Thu Feb 14, 2008 10:15 pm

removed manifold replaced fuel hoses and its still the same any ideas
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bmania
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Thu Feb 14, 2008 10:44 pm

what about the hosees that connect on to the fuel filter. mine had a very minute leak coming from the top hose connecting to the filter but gave a very strong smell.
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mark_i
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Fri Feb 15, 2008 5:15 am

Check your injector o-rings.

My M42 used to leak petrol onto the inlet manifold when cold and sealed again once the engine had warmed up.
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Julian_Jules
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Fri Feb 15, 2008 4:07 pm

agree with mark....check your injectors o rings.

mine leaked but it was from the cracked injector body......and that was the one right above the distributor so a definite fire risk!

hope it helps.
daimlerman
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Fri Feb 15, 2008 5:41 pm

My touring smelt of fuel when it was parked on the drive. Tracked it to the stub pipe from the filler where it joins the tank.
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cass1_5503
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Sat Feb 16, 2008 12:09 pm

thanks guys will check these
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paulf
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Sat Feb 16, 2008 8:04 pm

My is smelt of fuel when going along, turned out to the the sealing ring between top of the fuel pump and tank, 15 minutes and pence to replace...... :D
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