1990 BMW 325is Service and Repair Manual

This factory service and repair manual for the 1990 BMW 325is documents a coupe that offered no choices: one body, two doors; one trim, Base; one engine, a 152-cubic-inch 2.5-liter inline-six with a single overhead camshaft, naturally aspirated, on gasoline. The manual answers the practical questions in the order they come up on a job, covering how the assembly is removed, what its parts must measure, what each fastener is tightened to, and what the finished repair should read on test.

Engines covered

• 2.5L inline-six (152 cu in) — SOHC, naturally aspirated, gasoline

Body styles covered

• 2-door coupe

Trims covered

• Base

Known issues on the 1990 325is. Driveline coverage is thorough on this car. The transmission is documented from removal through sealing and fill specifications; the driveshaft and its center bearing and coupling have their own inspection limits; and the rear differential is covered from mounting torque to seal replacement. Around them the manual carries the engine's own procedures and the chassis specifications the drivetrain works against, and the diagnostic material describes what to measure when a noise or a vibration has to be traced to one of them.