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Vehicle

BMW 3 Series 2010 323i Sport A/t (e90) (Petrol) (Auto)

Location

Midrand, South Africa

Date Requested

5 January 2026

Service

Diagnostics - Other

Service

Car rough idle at cold start and smokes. Diagnostics show error in Cylinder 1. Oil leaks in the spark plugs, Which burns out after excessive smoke. then car runs fine. no power loss. Occasionally switches off at stop signs. Mechanic advised valve stem seals replacement and valve cover gasket to address oil leak in the plugs. Cylinder 1 code related to rough idling at cold start.