Bonehead fuel line question - BMW Luxury Touring Community
 
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post #1 of 3 Old Nov 5th, 2011, 5:44 pm Thread Starter
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Bonehead fuel line question

So I replaced my struts with my new HyperPro setup front and rear,and while I had the tank off I noticed my fuel lines were cracking in places. I got some quality nylon line and thought it was easy to remember which connected to which (hi pressure/low pressure?)... blew that one.

Now I am torqued I couldn't remember a simple thing like "line a goes to line b".

Could somebody help this bonehead out and tell me which line on the fuel pump goes to the lines lying at the engine block? Left to right references may be easiest for me to follow, they will be color coded after this.

Sheesh... this is holding me up! (although I did get the suspension swapped out).
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2012 K1600GT

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post #2 of 3 Old Nov 5th, 2011, 6:15 pm
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Re: Bonehead fuel line question

Power up the pump for a second (into a cup or bucket ) then you will know which is pressure (the one the gas comes out of at a rapid pace) and which is return. That line goes to the forward most line on the engine.

John
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post #3 of 3 Old Nov 5th, 2011, 7:03 pm Thread Starter
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Re: Bonehead fuel line question

Thanks John, that worked (do it back into a gas can, that was a heck of a lot of pressure) but I also noticed that the return line flowed fuel freely as well via gravity so I called Ride Wast to verify and their senior tech said that the front line should go to the rail and the rear to the return if nobody has monkeyed with it (no monkeys around here, only forgetful tigers). So I disconnected the fuel stops one at a time with the key off and one flowed freely, meaning it was the return and went to the rear. Connected and tightened, reconnected the battery, ran the fuel pump and it shut off after a second, checked for leaks, then fired it up. Let it run for a minute checking for leaks and shut it down.

Embarrassed but good. Now to finish assembly.

2012 K1600GT

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