I know that on the E30's (until 1991) the alternator has a mounting bolt that controls tension on the belt. (1)Just loosen that bolt and the rest is a breeze. (2) Move the alternator in to remove the...
Remove fan clutch with fan impeller. Remove A/C compressor drive belt. Remove cap from tensioning roller. Relieve tension on drive belt. Remove drive belt. Reverse procedure for installation.
Disconnect the hoses connected to the radiator and drain the system. (The water will come out by itself :) ) Then you just take the old radiator out and put the new one in. Connect the hoses, fill...