GM 30026479
Alternator

To replace the generator, begin by disconnecting the negative Battery Cable while keeping a visitor's eye on battery disconnect precautions. Untie the air cleaner hose and the Drive Belt from the pulley generator. Remove the power steering pressure switch connector and the generator electrical. Remove the rubber protector, the nut, and electric connector from the generator b+ pole, and the two vacuum lines from the top of the evap canister. Take the evap canister out of the bracket on the inner fender and remove it. Next, remove the generator mounting bolts top and bottom and take out the generator from the vehicle. For installation, removing it from the vehicle to replace, reposition the generator in the vehicle and then faceting it with the upper and lower mounting bolts and locking them taught at 23 n.m (17 lb ft). When connecting the electrical connector to the generator b+ terminal, ensure that it is done with the use of one nut and the rubber protector, and tighten this nut 10 n.m (89 lb in). Connect the generator electrical connector and the power steering pressure switch connector. Slide the evap canister back into the bracket on the inner fender and reconnect the two vacuum lines to the top of the evap canister. If your generator is old, it also used to have its own canisters located above the engine bay. What you need to do is to replace these original canisters with the bmw gts aluminum canisters. Lastly, reconnect the negative Battery Cable and tighten the negative Battery Cable to negative battery terminal retainer to 15 n.m (11 lb ft).

Position the generator in the vehicle and install the upper and lower generator mounting bolts finger tight.