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Z3 Roadster Auto, Wplate - Engine Cutting Out

albion
in BMW Z3 & Z4 Series Forum

Featured Replies

Recently I have been suffering a spate where the engine keeps cutting out for no obvious reason. Its worse when I fill up with petrol but happens at other times. Am in the process of establishing if its contaminated petrol (have always used Shell Vpower) although are currently trying 95ron+ Millers petrol additive, but I think it might be something more sinister. There are no warning lights showing to indicate a problem. If it was injectors or fuel pump, would they show a warning light?

Anyone got any ideas?

  • Quote
    • 2 weeks later...
    • Author

    I have now tried adding Millers Eco Max petrol additive (double dose) which has worked wonders, running smooth, no cutting out - magic! Must have been caused through just running 95ron petrol (super-unleaded is as rare as hens teeth in rural scotland and when you can get it, its probably been lying in their tanks for weeks!)

  • Quote
    • 1 year later...
    • Author

    Discovered problem. Replaced Camshaft Position Sensors, Inlet & Exhaust - runs like a new car now

  • Quote

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