I am having problems with spongy brakes. I just realized that the brake reservoir has 2 chambers so I was able to fill them both and bleed the brakes. However, when driving if I depress the brake it is still spongy, but if I double pump the brake I can fill it tighten. Is this a sign of there still being air in the system? Also, my abs light on the dash does not come one when I start the car up. Could this be correlated to the problem or is it a separate issue?

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1990 190E 3.0L