1998 BMW 318i Service and Repair Manual

This factory service and repair manual for the 1998 BMW 318i belongs to the last years of this four-cylinder car in sedan and convertible form: one 1.9-liter twin-cam inline-four, naturally aspirated, gasoline, and a single Base trim behind both bodies. With no alternate displacement to cross-check, engine rebuild clearances, valve timing figures and fuel system tests read straight through, and the wiring diagrams separate only where the convertible's top, latches and rear structure demand different circuits.

Engines covered

• 1.9L inline-four — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan
• 2-door convertible

Trims covered

• Base

Known issues on the 1998 318i. Owners have logged eleven complaints against this year, the largest group on the electrical system with three, then two on vehicle speed control and two on the power train. Those three areas meet at the throttle and its controls, the charging and grounding circuits behind them and the transmission that follows, and each is covered here with wiring diagrams, resistance and voltage checks, adjustment procedures and torque values, so a fault can be traced from the pedal and the harness through to the gearbox rather than guessed at.