Quote Request
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Vehicle
BMW 3 Series 2010 323i Sport A/t (e90) (Petrol) (Auto)
Location
Midrand, South Africa
Date Requested
05 Jan 2026
Service
Diagnostics - Other
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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.