BMW 330d E46. Have had new injectors, just this last week had new stem seals and glow plugs but I’m still getting whitish smoke upon starting up when cold, do you think this could be symptoms of pump problems?
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Interesting stuff mate.
Dear Dave,
I presume that you have the high pressure common rail fuel system on your vehicle if this is the case I can’t see the smoking issue being the pump.
Did you have a smoking problem before you fitted new injectors?
Things to check would be the thickness of the washers under the injectors and also do any of the injectors suffer from blow-by.
Regards,
Keith