You would know because the brake:abs lights would illuminate. I lost ABS function about 70% of the way home when somehow the computer figured out something was amiss..that reset by the morning when I moved my car from the street to the back yard for repair.

I'll post photos of my installed new lines and the MF'r right rear over axle connection.

It's a cake walk to do the iso bubble flare just need the right tool. Read the 1-star review replies from me to see where people go wrong.

Neither inspection I or II checks the brake lines. Quite sure BMW intended for those to be life of vehicle. Depending on when they fail it could be quite likely by coincidence.

It would take an additional set of sensor but could be a simple sensor like pressure pad behind brake pad to determine which wheel gets no pressure once the main pressure sensor sees the rapid drop from the split in the line.

It's on Inspection I... (boxed - fourth from bottom)

http://i67.tinypic.com/9i9zjo.jpg

This is from E39 etc. (can't find the E53 sheet right now) but it's virtually the same for this generation of Beemers...

I guess (know, actually!) we are lucky down here. No salted roads and very little winter snow etc. The underside of my '05 looks brand new under the plastic shields - literally. I'm amazed when I get under there. I'm equally amazed at what you folk have to deal with, when I see the rusty parts on your under carriages (brakes, arms etc.). We don't see vehicles in that sort of condition until they are 30-40 years old... :yikes:

And I am literally in awe of the skills you folk have at dealing with seized and frozen parts! :thumbup:

There is no chance the inspection ii means "above the plastic shield". They look at what can be seen without disassembly.

Bump!

Just replaced my steel coated lines at the rust points. Look like a flute rusted at the little bends. Wife was driving and the pedal hit the floor 1/4 from the house.
:wow:

Finally, now maybe we can get her back on the road and do a meet with the local who signed up for a 2nd tour of duty in an e53 and bought your clone :)

I can't encourage folks enough to perform this check esp based on Stephen experience as I know his mileage is low and he is a very fastidious steward of his X5 so this was a shock to me. I've posted pics of mine and did a recheck in Dec to find it in need of cleaning yet again. I'm mystified as my car has very low miles and has very little road time. So before winter sets in please check these out

Absolutely agree! My assessment is that it's a manufacturing design defect. The tube was bent enough to damage the paint coating during manufacture.

If you live in a salt humid environment you can expect to self destruct sooner than later.

You can prevent failure with some steel wool and some rust stopping paint


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Correct, That is what I did not do. Mine sits on rainy and snowing days and I drive something else. Washed out the under panels multiple times a year. Nothing short of pulling the panels, unsnapping the lines from their holders, and brushing on some Rust-Oleum or POR 15, will resolve the problem. Do it now and do not wait like I did.

I've replaced my lines but didn't put my cover back on. I'm going to drill some 2" holes for proper dehydration and future cleaning and inspection


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