2003 BMW 745Li Service and Repair Manual

This factory service and repair manual for the 2003 BMW 745Li documents a Base four-door sedan with the naturally aspirated 4.4L DOHC V8 on gasoline. One engine and one body keep the mechanical side straightforward; what makes this car demanding is everything built around it, and the manual answers that with wiring diagrams, connector locations and diagnostic routines for the sedan's circuits as well as the engine, driveline and chassis procedures with their specifications.

Engines covered

• 4.4L V8 — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 2003 745Li. The manual's coverage matches the way this car is repaired. Engine service on the V8 comes with fuel, ignition, cooling and emissions procedures and the specifications and torque values they require. Transmission and driveline work is documented separately. Brakes, steering and suspension have their own settings and figures, and the body sections carry the wiring diagrams and step-by-step tests that a large sedan's comfort, lighting and instrument circuits ask for.