Just remember that on the e30, there are six flexible lines (hose) to replace. One at each corner and the two inside lines above the rear subframe carrier. These provide the flexibility needed when the trailing arms move up and down. Some folks just replace the corners, cuz the inside lines are a bitch with the subframe there. If the subframe is out, only takes about 5 minutes, otherwise, you may find it necessary to lower the gas tank a smidge to get a wrench in there. Depends on where the factory located the hard lines coming from the tee for the rear brakes.
I put in ss lines and immediately noticed a firmer pedal after bleeding. But the rubber hoses were old.
I put in ss lines and immediately noticed a firmer pedal after bleeding. But the rubber hoses were old.
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