I'm having trouble bleeding the brakes on my 90 535i. I get no fluid out of the left front caliper bleed screw. I have traced it down to no fluid coming out of the ABS for the left front caliper. Nothing. Fluid comes out just fine for the other 3 corners. Fluid enters the ABS on both ports just fine.

This is being done with a person pressing on the brake pedal and engine off or on.

I replaced the pads and rotors.

Any ideas????????