E30 M42 90A Alternator - BOSCH: 0 986 036 770 (BMW PN: 12 31 1 466 338) Core Unit Option:I will send my unit in for refurbishment Burned brushes and commutator due

Burned brushes and commutator due to bearing seizure

Throttle shafts

Squealing or whining when powered due to worn or seizing bearings

Humps on the upper manifold casting

Yellow zinc plated solenoid cylinders clad with aluminum sleeves

E30 M42 90A Alternator - BOSCH: 0 986 036 770 (BMW PN: 12 31 1 466 338) Core Unit Option:I will send my unit in for refurbishment Burned brushes and commutator dueFits all E30 & early E36 318i & 318iS with M42 engines. 90A variant shown with period correct two tone zinc plating. Fan and pulleys in bright clear zinc, remaining hardware in yellow zinc. Glassfiber plastic wire routing cup is exceedingly hard to come by, NLA new from BMW, and hard to find in good shape original due to fragile nature. It is not included by default, but will be installed if included with your core! Bosch also refers to this unit as a