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protecon protecon is offline
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Posts: 53
Join Date: Sep 2016
Car: 2010 X5M MCB
Default 10-15-2017, 06:25 PM

Part 4.

Originally Posted by TEC
Put your trunk flooring back in and you are done here.

Next lets move to the engine bay.

Locate the flapper hose that is connected to the trunk solenoid for the exhaust flap and the hose that connects from the manifold to the diverter valves.

Disconnect the flapper hose from the hose that connects to the brake booster. Cap the tee where the flapper hose has been removed.

Connect the flapper hose with a piece of 1/8” hose using the 1/8”x1/8” straight connector.

Cut the hose that runs between the diverter valves and the manifold.
Insert a 1/8” tee between the flapper hose and the hose that you just cut that connects to the manifold.

Zip tie all the connections and make sure they are tight.

Lastly, make sure you put in your new 25 amp mini fuse into slot 70. Your new Walbro 450 pump draws a bit over 21 amps when running 12~13 volts, so your old 20 amp fuse won’t work.

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