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Hi everyone,

For the past months my Cooper S has difficult start-ups when cold (in the morning or after a few days): sometimes stalls 1 or 2 times and iddle
is irregular (400-1200rpm) for a minute before everything comes back to normal. It runs fine.. changed spark plugs and ignition coils. Diagnostic gave multiple cylinder misfire
High pressure fuel pump changed 20k miles ago

Thank you!
 
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