DIY : PTFE line- tank to HPFP + inline fuel filter upgrade

[Blaster3500]

It comes with a mounting bracket also:

View attachment 10449

Looks good! Where are you going to mount it?

 

[doublespaces]

Looks good! Where are you going to mount it?

I'm not sure yet to be honest. I need to get back under the car and stare for a while Trying to keep it all on the short line but space may not permit that.

 

[fmorelli]

It comes with a saddle clamp bracket also:

I went back and looked - there were two Russell fittings that were referenced. In the photo above, what did you use to connect the Fuelab to the ECA?

Thanks in advance! Filippo

 

[doublespaces]

I went back and looked - there were two Russell fittings that were referenced. In the photo above, what did you use to connect the Fuelab to the ECA?

Thanks in advance! Filippo

https://www.amazon.com/gp/product/B005C6KTNK/
https://www.amazon.com/gp/product/B001DSV408/

 

[Jeffman]

It comes with a saddle clamp bracket also:

View attachment 10449

I’m thinking of doing the same thing when I get my MOTIV ECA with the engine bay short line upgrade (arriving Monday ). The picture of it on the MOTIV website looks like it already has these connectors so I’m hoping to disconnect the hose on the left and insert the Fuelab (???).

 

[BMWE92_Harry]

Anyone experience failure with this modification yet?

 

[Lifestyler]

I install the Motiv fuel Line with the e Sensor and add a Filter of my choice on my friend Jarrett s Car. Also we Install BMP PI and fpr with Return Line + inked custom st3 lpfp

 

[doublespaces]

Anyone experience failure with this modification yet?

A failed fuel filter? Highly unlikely so far, even if there were any issues it would probably be defect related.

 

[JBarros]

Is there a larger inside diameter line that can replace the current line that runs on the driver side from the tank to front of the car?

 

[martymil]

Its not needed as the outlet on the pump hat on the tank is smaller than the line on the drivers side and the inlet port on the di pump is even smaller than that again

Going bigger has no benefit

 

[martymil]

The only reason we replace the stock line if your going e85 and need to run an ethanol sensor

If your running just unleaded you could put an inline filter and remove the di filter in the engine bay which would be sufficient

I done this on rhd cars dont know how much room you would have or any on lhd with the rack in the way

 

[martymil]

You could something like this using either the plastic type locking clip connection or the red and blue compression fitting or cut the line just after the sensor and weld on a steel an6 adapter

 

[Jeffman]

View attachment 10455

You could something like this using either the plastic type locking clip connection or the red and blue compression fitting or cut the line just after the sensor and weld on a steel an6 adapter

Nice! Thanks. The 45 degree fittings are to allow the bulk of the filter housing to sit next to the engine block?

 

[martymil]

To pass the starter motor

 

[JBarros]

The only reason we replace the stock line if your going e85 and need to run an ethanol sensor

If your running just unleaded you could put an inline filter and remove the di filter in the engine bay which would be sufficient

I done this on rhd cars dont know how much room you would have or any on lhd with the rack in the way

I am running 100% e85, I'm replacing the line anyway so why not go with a little larger inside diameter line?

 

[fmorelli]

Some of us N54 guys have an electric rack ... ... we'll install my stuff this week and I'll post some photos.

Filippo

 

[martymil]

I am running 100% e85, I'm replacing the line anyway so why not go with a little larger inside diameter line?

Any bigger than an6 has no benefit and your going to have a hard time to get it between the tank and the chassis to route the hose

Then your going to have to use an adapter to step it up from the tank connection to the bigger line other than an6

There is very little room in there

Then you have to use an adapter to step it back down to the ethanol sensor as the sensor is only 3/8 connection

But if you wish go right ahead its your car and you can do anything you like just saying from performance or flow there is no benefit

If the hat had a larger connection coming from the tank that would be a different story

 

[doublespaces]

I'll need to get under the car and see what is what. Its a bit different because my line doesn't go up to the LPFP sensor, it goes into a Y hose for the shotgun setup which feeds both pumps.

For anyone curious where this stuff is going. You can see the sensor on this hard line, to the left of that is the HPFP and in side that pipe is the HPFP filter:

This is for shotgun people, that Y hose goes down to the driver footwell area:

This part is under the foot of the driver area. Y hose connects to this push connect:

This is mostly the same for people without a shotgun, but the hose won't be a Y, it will just go straight down from the LPFP sensor hard pipe to the push connect by the feet. Its not a long hose by any means.

 

[martymil]

Thanks for that saves me a lot of explaining

Here is the factory connection that comes from the tank hat and here is a blue an6 connection its already way bigger and going bigger again is no point

 

[Jeffman]

Update: I received my MOTIV ECA with short line engine bay upgrade. The shorter hose will bend around the starter motor. It uses same couplers as discussed in this thread. So I believe all I need to do is insert the fuel filter between one of the hoses and the Flex Fuel Sensor, using a female-female coupler: https://www.amazon.com/dp/B001DSV408/ref=cm_sw_r_cp_api_YteZAb7M3P8CG.
EDIT: Correcting post based on Doubles’ comment below. The filter may fit better on the upstream side of the Flex Fuel Sensor. Maybe I’ll cut the longer hose - I’ll know better when I get in there.