right now I'm running both rear discs on front and back and I have no issues at. but I ordered the front disc and a transmission mount. unfortunately, my transmission mount was saturated with oil and I didn't know what it was at first. thought it was just a pan that held a bunch of grease so I started pulling out these chunks of grease not realizing it was the greasy, deteriorated remains of my transmission mount

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1990 190E 3.0L