2005 x5 e53 Suffering from multiple Misfire Cylinder 35 and 6 Replaced all coils and plugs misfire Still persistent in cylinder 5 and 6 Swapped coils 5 and 6 to 7 and 8 still misfiring swapped plugs 5 and 6 to 1 and 2 still misfiring there is smoke coming out of the exhaust may be a valve seal issue yet the vanos motor doesn't look to be in good condition

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