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Home >> BMW >> 1998 >> 740i >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> ENGINE ELECTRICAL SYSTEM - REPAIR INSTRUCTIONS - 740i & 740iL >> Ignition wires park >> 12 12 011 Replacing all spark plugs (M60, M62) >> Notes

12 12 011 Replacing all spark plugs (M60, M62): Notes

Switch off ignition.

Remove ignition coils.

Unscrew spark plugs with special tool 12 1 171.