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I placed the tank upside down on a cardboard box covered with an old blanket in order to remove the fuel pump/filter assembly. Removing the old clips at either end of the filter was a struggle- you'll need a good set of long-nose pliers. Check that you put the new filter on in the correct direction - then check again. Take the filterassemblyinto a hose or EFI shop and get a couple of decent clamps. BMW clamps have a strong following.

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Replace the assembly - start the screws first through the rubber gasket - then gradually tighten them. I used a socket on a 3/8th screwdriver handle rather than a 3/8th drive ratchet for better feel. Hand tight is all you need. I worked around the 6 screws in sequence, a bit at a time, about thirty times before they were snug.

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Replace the tank onto the bike, connect the fuel line, over flow lines and electrical connection, and add some fuel. Check for any leaks, then fire the bike up. Check again. Bolt the tank down and go for a fang. If still no leaks, replace the front plastic grill.

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There was a definite improvement after changing the air and fuel filter. On a cold day, it fired up and idled smoothly without the fast idle on!