1997 BMW 540i Service and Repair Manual

This factory service and repair manual for the 1997 BMW 540i is written for one configuration: a four-door sedan in Base trim, carrying the 4.4L V8 with double overhead camshafts, no forced induction, and gasoline fueling. Everything in the book comes back to that engine and that body, covering how the V8 is assembled and timed, how it is cooled and fueled, what the driveline behind it needs, and how the chassis and electrical systems around it are tested and repaired.

Engines covered

• 4.4L V8 — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 1997 540i. Owners have logged 27 complaints against this year, and they concentrate heavily in one place: 13 of them fall on the engine and engine cooling, with two each on seat belts and speed control. That distribution points at the parts of this manual that get opened most, among them coolant routing and capacities, thermostat, pump and radiator service, temperature sensing and the diagnostic checks that separate a gauge fault from a real overheat, along with the torque values for everything disturbed in getting to them.