Another thought on a part to replace is the feedback poteniometer that was mentioned in a previous post. It is the casue of a "clicking" noise in the (W201).
1994 E500 (MY SUNDAY DRIVER)
1993 190E SPORTLINE LE W/ M104 SWAP
2000 BMW 528I (WIFEY'S CAR)
"Excuses are crutches for the unfounded."