[Blueeyesredpanda]

Originally Posted by Torgus

It was either damaged before install or while driving. My brake sensor was once sliced and it looked like a razor was used. Never drive over anything weird. Something had to get kicked up and sliced it.

Cutting through stainless mesh braid is not easy. I've done it before, it frays a lot unless what you use is super sharp.

It does not look like abrasion wore through it. It would of have to been on a sharp sharp edge imo.

Something cut it, something sharp.

My guess is some fucking punk ordered these, did not fit or need them and cut them on purpose. Stoptech never caught it upon return inspection. They probably do a visual which is fine for 99% of returns. I can't imagine they would pressure test a return.

If anyone has a better story as to what happened let's hear it.

OP: when you take it off clean it up and take some more pictures close up.

Edit: and yes the salt on the zip the is questionable but it could have got there if his hands or gloves were covered in winter crap...But I agree it is suspect.

Edit #2 how does it go from a 1/4 slice in picture 1 to cut in half picture 2? OP did you cut it for removal for some reason? Either way pic 3 shows how it will fray...looks like a cutting tool was used...

Yes I cut the brake line into half because I couldn't remove it due to the hardline fitting is stuck. In order for me to take the brake lines off I had to cut them and twist then. I just went to pick up a blow torch, so hopefully that will lose up the fitting.

[mweisdorfer]

Originally Posted by Blueeyesredpanda

Pads, rotors, fluid on the brakes were changed a year 4 months ago.
I bled the fluid during summer

wow phantom is $$$

Hmmm cannot find Xdrive brake lines... do they make those?

https://thmotorsports.com/i-2207816....SABEgKzBPD_BwE

[Blueeyesredpanda]

Originally Posted by Torgus

It was either damaged before install or while driving. My brake sensor was once sliced and it looked like a razor was used. Never drive over anything weird. Something had to get kicked up and sliced it.

Cutting through stainless mesh braid is not easy. I've done it before, it frays a lot unless what you use is super sharp.

It does not look like abrasion wore through it. It would of have to been on a sharp sharp edge imo.

Something cut it, something sharp.

My guess is some fucking punk ordered these, did not fit or need them and cut them on purpose. Stoptech never caught it upon return inspection. They probably do a visual which is fine for 99% of returns. I can't imagine they would pressure test a return.

If anyone has a better story as to what happened let's hear it.

OP: when you take it off clean it up and take some more pictures close up.

Edit: and yes the salt on the zip the is questionable but it could have got there if his hands or gloves were covered in winter crap...But I agree it is suspect.

Edit #2 how does it go from a 1/4 slice in picture 1 to cut in half picture 2? OP did you cut it for removal for some reason? Either way pic 3 shows how it will fray...looks like a cutting tool was used...

I checked the other side and i found out there's of rubbing. As i recall the stoptech ss is longer than OEM. Uploaded pics

[juld0zer]

Originally Posted by mweisdorfer

Hmmm cannot find Xdrive brake lines... do they make those? https://thmotorsports.com/i-2207816....SABEgKzBPD_BwE

Well, there's the background story.
OP bought the wrong set of lines for their car. Probably a combination of incorrect length and incorrect securing points. That cable tie also looks like a contributor to the failure. If this was used for a warranty claim it would get rejected - you shot yourself in the foot.

Brakes are not something to mess around with and experiment.

By the way, braided lines are not a lifetime item. They will eventually fail for various reasons even when fitted correctly and they will not show much hint of age or future failure because the plastic coating and stainless braid hides everything. Those using them in harsh conditions should add them to routine maintenance.

And one more thing. If your brakes don't work properly, don't drive the car.

[mweisdorfer]

Originally Posted by juld0zer

Well, there's the background story.
OP bought the wrong set of lines for their car. Probably a combination of incorrect length and incorrect securing points. That cable tie also looks like a contributor to the failure. If this was used for a warranty claim it would get rejected - you shot yourself in the foot.

Brakes are not something to mess around with and experiment.

By the way, braided lines are not a lifetime item. They will eventually fail for various reasons even when fitted correctly and they will not show much hint of age or future failure because the plastic coating and stainless braid hides everything. Those using them in harsh conditions should add them to routine maintenance.

And one more thing. If your brakes don't work properly, don't drive the car.

2/3rds of this post sounds like you are directing it at me. I am not sure why.

The SS lines I suggested are for AWD BMW's, and in my opinion they are a better brand then what he had.

[Asonchadwick]

Thats really wild it failed. So lucky it happened the way it did though! So it wasn't rubbing on anything right? a defect in the braid?

[Torgus]

Originally Posted by Asonchadwick

Thats really wild it failed. So lucky it happened the way it did though! So it wasn't rubbing on anything right? a defect in the braid?

A defect in the braid would not cause this.

[TGTIW]

Originally Posted by Blueeyesredpanda

Yes I cut the brake line into half because I couldn't remove it due to the hardline fitting is stuck. In order for me to take the brake lines off I had to cut them and twist then. I just went to pick up a blow torch, so hopefully that will lose up the fitting.

Be cautious, brake fluid is flammable.

[mweisdorfer]

Originally Posted by Blueeyesredpanda

Yes I cut the brake line into half because I couldn't remove it due to the hardline fitting is stuck. In order for me to take the brake lines off I had to cut them and twist then. I just went to pick up a blow torch, so hopefully that will lose up the fitting.

Kroil Oil - let it soak overnight. Try & move the bubble, flare nut. If no... then....

Torch w/ Yellow gas. Heat up for 7-8 seconds max maybe 5-6x. Try & move the bubble flare nut. If not keep, repeating this cycle until it moves. It will eventually move. Patience is all that is required.,

[juld0zer]

Originally Posted by mweisdorfer

2/3rds of this post sounds like you are directing it at me. I am not sure why.

The SS lines I suggested are for AWD BMW's, and in my opinion they are a better brand then what he had.

Sorry mate, seems like the quote within a quote thing stuffed up and made it look like that
Definitely not directed at you though!

I'm assuming you linked OP to those lines because they have an Xi and what i meant was OP may have opted to buy non Xi lines.

This thread reeks of dodgy-ness.

[The Nightman]

Originally Posted by Blueeyesredpanda

Stoptech SS brake line is LONGER than OEM brake lines which cause more bents once it has been installed. Over time, the brake line would shift its position causing it to rub on surface in the wheelwell

This might be the problem? Stoptech specs the same front line (950.3401) for both RWD and AWD models but BMW uses different lines for each (34306790550 for RWD, 34306793026 for AWD)

[Blueeyesredpanda]

Originally Posted by mweisdorfer

Kroil Oil - let it soak overnight. Try & move the bubble, flare nut. If no... then....

Torch w/ Yellow gas. Heat up for 7-8 seconds max maybe 5-6x. Try & move the bubble flare nut. If not keep, repeating this cycle until it moves. It will eventually move. Patience is all that is required.,

hahaha how many times have you left this comment on threads that are having trouble to remove the flare nut? Well this time I actually did it. It worked

[mweisdorfer]

Originally Posted by Blueeyesredpanda

hahaha how many times have you left this comment on threads that are having trouble to remove the flare nut? Well this time I actually did it. It worked

Did you end up getting Goodridge SS lines?

[Blueeyesredpanda]

Originally Posted by mweisdorfer

Did you end up getting Goodridge SS lines?

I haven't yet, might get it soon. Cannot find phantom for xdrive, guess I will get g-stop

[Blueeyesredpanda]

Originally Posted by freedomfries

This might be the problem? Stoptech specs the same front line (950.3401) for both RWD and AWD models but BMW uses different lines for each (34306790550 for RWD, 34306793026 for AWD)

I updated pic

[PhaseP]

Originally Posted by freedomfries

This might be the problem? Stoptech specs the same front line (950.3401) for both RWD and AWD models but BMW uses different lines for each (34306790550 for RWD, 34306793026 for AWD)

+1

I remember I was once sent RWD front brake sensor by mistake, and it's cable length wasn't right on my XI (AWD). Its wasn't routing through the cable hooks correctly as it was supposed to.

I would think the brake line would have same problem, RWD one won't fit well on an AWD.

[SpartaEvolution]

Originally Posted by mweisdorfer

Kroil Oil - let it soak overnight. Try & move the bubble, flare nut. If no... then....

Torch w/ Yellow gas. Heat up for 7-8 seconds max maybe 5-6x. Try & move the bubble flare nut. If not keep, repeating this cycle until it moves. It will eventually move. Patience is all that is required.,

If you don't have a torch, a heat gun ($15 harbor freight one will work) might get the job done as well, or at least get things warm enough to help lube/anti-seize penetrate the threads.

[N54POWR]

This is why aftermarket parts need to be checked and rechecked often. Whether install error or otherwise, it was definitely wearing down over time as shown by the other side. If you want reliability, keep it stock.
I've had stop tech lines for years, I keep them clean and check them regularly and I've never had a problem.

[Blueeyesredpanda]

Originally Posted by PhaseP

+1

I remember I was once sent RWD front brake sensor by mistake, and it's cable length wasn't right on my XI (AWD). Its wasn't routing through the cable hooks correctly as it was supposed to.

I would think the brake line would have same problem, RWD one won't fit well on an AWD.

It's almost length of a finger longer. Its no where near OEM spec. That's ridiculous. They tried to save money by making one brake like for all models.

They are sending me replacement but I have to send the broken ones back.

[madskillzE90]

Live and learn
You installed them incorrectly (It happens)
This time around install them right and out of the way of moving parts.

The important thing is you and those around you are all okay.

[Blueeyesredpanda]

Originally Posted by madskillzE90

Live and learn
You installed them incorrectly (It happens)
This time around install them right and out of the way of moving parts.

The important thing is you and those around you are all okay.

No I didn't install them incorrectly. They are LONGER than stock brake line. I have already sent Stoptech an email, but no reply from them. Stoptech used STOCK Rwd brake line length for AWD. It's rubbing on the shaft

[Needbmwpartzz]

Ahh.....the downside of aftermarket modding shows it's ugly face!
Just be thankful your safe and nobody else got hurt.