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  1. #1
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    3 out of 3 members liked this post. Yes Reputation No

    Finally went with the Walbro Inline Setup

    Here are before and after logs on PTF 93 octane map. Before and after with E45 in the tank to come in a few days.

    Before log is with my original LPFP with 74k miles and the after log is with a new, OEM LPFP with Walbro inline setup.


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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    I have a walbro inline ready to install this weekend... Any easy way to tell if i'll be fine keeping my stock LPFP and adding the inline or if I should get a new OEM LPFP too?
    Click here to enlarge < Click picture for photoshoot
    E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion
    Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning
    More Pictures: Build Thread /// Dyno Soon to Come

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    Click here to enlarge Originally Posted by psmith95 Click here to enlarge
    I have a walbro inline ready to install this weekend... Any easy way to tell if i'll be fine keeping my stock LPFP and adding the inline or if I should get a new OEM LPFP too?
    Mine was dipping below 50PSI low pressure with anything more than E20 in the tank. At 50K miles I figured it best to replace the entire low pressure side, so did LPFP bucket at the same time I swapped in the inline pump.
    E88 N54 w stuff
    F30 335 X-Drive EBII....PPK otherwise Stock
    Click here to enlarge

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    Click here to enlarge Originally Posted by 135pats Click here to enlarge
    Mine was dipping below 50PSI low pressure with anything more than E20 in the tank. At 50K miles I figured it best to replace the entire low pressure side, so did LPFP bucket at the same time I swapped in the inline pump.
    +1. I was hitting around 50 psi with 93 octane in the tank and dipping to around 35 psi with an E45 mixture. Log your LPFP requested and actual to see how it's doing.
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    great post...
    09 6AT 335i Coupe M-Sport - SOLD
    Current - 16 Jeep Wrangler - Few Mods
    Looking for a n54 project e90/e82

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    Nice man! You finally did it! Any pics of install? I'm curious as to how the wiring actually goes on these.
    2009 335i coupe back to stock...for now

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    I actually ordered a new LPFP and had it shipped to SteveAZ and he assembled it for me. Info on his build can be found here http://www.n54tech.com/forums/showthread.php?t=23223

    How's your car coming along? Now that I have the new LPFP sorted out I plan on getting down to the track soon. I need to figure out this vibration first.
    Click here to enlarge
    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    Is this the pump from SteveAZ? I should be getting my new lpfp + walbro inline this week from him as my old pump was tired as well.

    Edit: Just read the above post, thanks!

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    Click here to enlarge Originally Posted by JStang Click here to enlarge
    I actually ordered a new LPFP and had it shipped to SteveAZ and he assembled it for me. Info on his build can be found here http://www.n54tech.com/forums/showthread.php?t=23223

    How's your car coming along? Now that I have the new LPFP sorted out I plan on getting down to the track soon. I need to figure out this vibration first.
    Check out my thread on fuses, just something to keep in mind for anyone after adding another pump inline or in-tank. Just something to keep tabs on and be prepared for so if it does happen, you don’t have to get towed twice like I did.
    E88 N54 w stuff
    F30 335 X-Drive EBII....PPK otherwise Stock
    Click here to enlarge

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    Click here to enlarge Originally Posted by 135pats Click here to enlarge
    Check out my thread on fuses, just something to keep in mind for anyone after adding another pump inline or in-tank. Just something to keep tabs on and be prepared for so if it does happen, you don’t have to get towed twice like I did.
    Do you just recommend that I keep some spare 25 amp fuses in the car?
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    Click here to enlarge Originally Posted by JStang Click here to enlarge
    Do you just recommend that I keep some spare 25 amp fuses in the car?
    Not a bad idea honestly. If it’s just the fuse not holding up, replacing it on the side of the road is what, a 20 minute job? No biggie. Just not something worth getting stranded over.

    But I don’t mean to scare you- this could just be my FFTEC pump sucking. I should have listened to the voice in my head asking me “so why are you spending $600 on a fuel pump?” when I bought the damn thing. Oh well.
    E88 N54 w stuff
    F30 335 X-Drive EBII....PPK otherwise Stock
    Click here to enlarge

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    Click here to enlarge Originally Posted by 135pats Click here to enlarge
    Not a bad idea honestly. If it’s just the fuse not holding up, replacing it on the side of the road is what, a 20 minute job? No biggie. Just not something worth getting stranded over.

    But I don’t mean to scare you- this could just be my FFTEC pump sucking. I should have listened to the voice in my head asking me “so why are you spending $600 on a fuel pump?” when I bought the damn thing. Oh well.
    FFtec has no problem raping people on some things. When I took my boost solenoid to my shop for install he said, "why did you order this? I have one in stock right if I knew that's what you needed. But you probably got a better deal, I sell these for $30." My reply was, "$#@! me, they charged me $125!" He couldn't believe it. What a joke They didn't even package it nicely or anything. This was for my single turbo setup BTW, not a part most have/need.
    2009 335i coupe back to stock...for now

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    Click here to enlarge Originally Posted by JStang Click here to enlarge
    I actually ordered a new LPFP and had it shipped to SteveAZ and he assembled it for me. Info on his build can be found here http://www.n54tech.com/forums/showthread.php?t=23223

    How's your car coming along? Now that I have the new LPFP sorted out I plan on getting down to the track soon. I need to figure out this vibration first.
    It's coming along, slowly, but getting there. Just taking time to make sure everything is done perfect, all wires under the hood are being re-loomed and re-organized, working up a custom intake for the turbo, which took 2 months to get after ordering. Just ordered an M Factory LSD, some BC forged wheels, CF hood, M3 sideskirts, lol, lots going on. It will be pretty sweet by the time it leaves. Looking at changing up front bumper now, maybe Prior Designs 1M style
    2009 335i coupe back to stock...for now

    Click here to enlarge

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    Click here to enlarge Originally Posted by 135pats Click here to enlarge
    Check out my thread on fuses, just something to keep in mind for anyone after adding another pump inline or in-tank. Just something to keep tabs on and be prepared for so if it does happen, you don’t have to get towed twice like I did.
    Where is the fuse that your blowing? Isnt the lpfp fuse behind the glove box? At least that's the one I pulled when doing my walbro inline install so there was no pressure built up when taking everything apart.

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    Click here to enlarge Originally Posted by bmw335iguy Click here to enlarge
    Where is the fuse that your blowing? Isnt the lpfp fuse behind the glove box? At least that's the one I pulled when doing my walbro inline install so there was no pressure built up when taking everything apart.
    I was thinking the same thing. When he said 20 minutes he made me think it was somewhere else but I just searched and it is fuse #70 in the glovebox.
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    It's coming along, slowly, but getting there. Just taking time to make sure everything is done perfect, all wires under the hood are being re-loomed and re-organized, working up a custom intake for the turbo, which took 2 months to get after ordering. Just ordered an M Factory LSD, some BC forged wheels, CF hood, M3 sideskirts, lol, lots going on. It will be pretty sweet by the time it leaves. Looking at changing up front bumper now, maybe Prior Designs 1M style
    That's awesome. I can't wait to check it out when it's done. Make sure to let me know!
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    FFtec has no problem raping people on some things. When I took my boost solenoid to my shop for install he said, "why did you order this? I have one in stock right if I knew that's what you needed. But you probably got a better deal, I sell these for $30." My reply was, "$#@! me, they charged me $125!" He couldn't believe it. What a joke They didn't even package it nicely or anything. This was for my single turbo setup BTW, not a part most have/need.
    It took 3 months for my FFTEC pump to arrive at my doorstep. So yea. Frustrating because I know what a capable shop they are. I understand a fuel pump was not going to be a top priority for them and thats OK, but 3 months is absurd. 3 months for a ST conversion? Sure, no problem. 3 months for a billet adaptor for a fuel pump? CmonI just hope its working properly and is not the underlying cause of this blown fuse rampage my car is going on. I think its working fine but tough to be certain.
    Click here to enlarge Originally Posted by bmw335iguy Click here to enlarge
    Where is the fuse that your blowing? Isnt the lpfp fuse behind the glove box? At least that's the one I pulled when doing my walbro inline install so there was no pressure built up when taking everything apart.
    Yep. I want to say it's #70 , green colored sucker IIRC 20 amps. But it's right in the glove, which is why I was so pissed to have to tow the car over such a simple problem. But to be clear, I still have to establish that the link is causal. For all I know the blown fuse is merely the outcome, and not the root of the problem. I doubt it but certainly could be possible. Well see how the 25 amp fuse plays.

    Edit: I see I confused people with 20 minutes. How about 5 minutes. Better?

    It was just for relative context amigos! Yes its in the glove, nothing at all exotic about the fuse.
    E88 N54 w stuff
    F30 335 X-Drive EBII....PPK otherwise Stock
    Click here to enlarge

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    Click here to enlarge Originally Posted by 135pats Click here to enlarge

    Edit: I see I confused people with “20 minutes”. How about 5 minutes. Better?

    It was just for relative context amigos! Yes it’s in the glove, nothing at all exotic about the fuse.
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    I will say it did take me a few minutes to figure out how to drop the glove box low enough to get to the fuse box on my e82. Was much easier on my e90 and had me confused for a sec when I went looking for it in the 1er.

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    How much is an OEM LPFP anyways?

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    I got mine for $236 shipped off of ebay.
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    I got mine for $160. It's not BMW branded but its the OEM supplier, which is VDO!

    You can send a message to the seller and they will reply back with the supplier. I'm running the inline + Walbro as well, replaced both at the same time.

    Here's the link: http://www.ebay.com/itm/BMW-Fuel-Pump-/251116578105?pt=Motors_Car_Truck_Parts_Accessories &hash=item3a77b6e539&vxp=mtr

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    Just picked up a 5 pack of 25 amp fuses to throw in the glove box. Mine was in position 88 on the fuse diagram.
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    PTF Tuned Cobb Stage 2+ | H&R / Koni Sport | BBS LM

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    Click here to enlarge Originally Posted by JStang Click here to enlarge
    Just picked up a 5 pack of 25 amp fuses to throw in the glove box. Mine was in position 88 on the fuse diagram.
    Smart. I bet you won't have problems but it's good insurance.
    E88 N54 w stuff
    F30 335 X-Drive EBII....PPK otherwise Stock
    Click here to enlarge

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    @JStang did the inline fix your rough starts by any chance?

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