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Home >> BMW >> 1968 >> 2002 Eng CD 121 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection System - BMW >> Adjustments >> Additional Checks
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Additional Checks

Check belt tension of air pump (1/8 to 3/8 slack under thumb pressure); adjust if required. Visually inspect all hoses, connections and clamps of the emission control system for tightness or leaks. Check all nuts and bolts for tightness.

Fig 1: AIR INJECTION PIPE & NOZZLE
G09354959Courtesy of BMW OF NORTH AMERICA, INC.