Funky thing the other day. Started her up, and the dash lit up like a xmas tree. "S E S", Rear Air suspension, Brake, ABS lights all came on. Checked all fuses. Fine.
So, I hit the brakes hard a couple of times and poof the 'brake", ABS, Suspension" lights go away, SES stays on.
Then again, but this time the rear end locks up, engine goes into a drag/stall and won't accelerate, hit the brakes hard, and poof, it accelerates and drives away. Next time I start it up, happens again. No lock up, hit the brakes hard and poof, lights out, but not the SES. BTW, checked all fluids and idle/acceleration normal. BUT THEN, driving home, same thing at start up. Hit the brakes hard, everything is fine and after 15 minutes the SES light goes off. Cruise back to PC. FL 75/80 flawlessly. No issues. BTW, brake fluid is less than a year old. Front brakes, rotors,calipers changed less than 10 K ago.
Is that not some funky bimmer stuff. I didn't panic because I had the entire vehicle checked out, recent oil change and everything was given a very clean bill of health.

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X5 3.0 AUTO -2001 - 238,000 miles