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Old 07-22-2021, 06:49 PM
cn90 cn90 is offline
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Join Date: Jun 2014
Location: Omaha, NE
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Food for thoughts...

I just inspected my 1998 528i with 186K miles.

Midwest winter with salt etc., but I wash my chassis every Spring around April-May or so.

- To undo the plastic clip: gently remove the center pin first...
- One 10-mm nut...
- Just remove a few clips and the 10-mm nut just enough for inspection.

For the most part, the brake pipes are in good shape! I'd say 90% good, except for a few areas of very minor break in the coating with very very minor surface rust...

So, this is good bc I don't have to replace the brake pipes, a job I know exactly what to do but I hate it lol.

Back to the E53, definitely something wrong with these pipes from factory. Or the fact that the E53 pipes are hidden under the plastic shield completely. Versus the E39 (5-series) has the plastic shield open at the aft side, allow rain water or garden hose water to rinse it clean.

This is why we don't see too many corrosion pipes on the E39 5-series...

Anyway, photo of my 1998 528i with 186K miles...

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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
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