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  1. #1
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    Intank walbro road track fuel starvation

    Anybody with the intank Walbro experienced fuel starvation on tight right corners when fuel is about half tank?
    Talking about Road course / proper track only .
    Pump is installed correctly.
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    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    here video of the limp after the bridge, 180 turn right uphill.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    I've gotten limp modes when I was low on fuel too, and I forget the Code # but it said "Injection shut down" or something similar. It was below 1/4 tank for me. Granted, I have stock fuel pump. If you were at half tank, something isn't hooked up properly, doubt its the pump itself but something with the pick up into the pump.

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    yeah little over half tank. full tank no issues. will get it checked out.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    Kinked lines?
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    MOTIV750 / MHD+JB4 / ADV / SB REAR O2

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    You handled the limp very well.. lol I usually throw my hands up and yell for at least a few seconds.




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    Click here to enlarge Originally Posted by E90SoFlo Click here to enlarge
    You handled the limp very well.. lol I usually throw my hands up and yell for at least a few seconds.
    well it was not the first one of the day hehe. same corner everytime. went to tank and was gone.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    Click here to enlarge Originally Posted by E90SoFlo Click here to enlarge
    You handled the limp very well.. lol I usually throw my hands up and yell for at least a few seconds.
    lulz
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by enrita Click here to enlarge
    well it was not the first one of the day hehe. same corner everytime. went to tank and was gone.
    Sucks but seems your only solution for now is to keep it above a half tank as apparently the fuel in certain corners isn't reaching the pump.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    1 out of 1 members liked this post. Reputation: Yes | No
    It sounds like the driver side sump line must not be connected to the bucket, there is a venturi on both driver and passenger side of the tank, make sure they are both connected.
    2011 E90 M3 \ Melbourne Rot Metallic

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  11. #11
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    Installed a 2012 oem pump and all is good now. Will do inline next year.
    i noticed that there were 2 black lines not connected to the bucket (return lines from passanger side) so that could have been the issue with starvation.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
    Click here to enlarge

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