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      11-12-2019, 03:57 PM   #1
elerner61
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Drives: '07 Z4M Roadster
Join Date: May 2011
Location: Mount Kisco, NY

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Dark Fluid in Reservoir

2007 M with 80K miles. I'm a religious full brake/clutch fluid flusher every two years. I'm due for a flush and noticed for the first time that my fluid is dark. I've never flushed the ABS system, only done standard flushes.

Brakes and clutch feels fine. Thoughts on what might be going on? I no longer have an INPA setup PC, to do an ABS flush. Thinking I'll give it to my mechanic to do a full flush including ABS and then watch the brake fluid. If it goes dark then I've got some master cylinder (or clutch cylinder) seal aging.

Has anyone been through this before? Thanks in advance.
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