Coming accross regular noises on your car is likely to be unpleasant, a car is so complicated that it is most of the time hard to identify its source and even more complicated to find the component that triggers it. In the event you too have already faced a cold engine noise on your Bmw Serie 3 F30, we can clearly help you. In fact, we chose to write this content to be able to inspect the main triggers of an engine that rattles when cold on your Bmw Serie 3 F30. First we will check out engines that is rattling only at start up, then because of improper oil and finally because of glow plugs.


The engine of my Bmw Serie 3 F30 is rattling only when starting

If the engine of your Bmw Serie 3 F30 generates a cold rattles, specifically when starting and which disappear quickly afterwards, it is possible that your engine lubrication is responsible. In fact, the oil strainer (the component that sucks up the oil and makes it rise to the top of the engine) can be harmed and therefore take some time to make the oil rise when it is still very viscous. If this is your situation, after a few tens of seconds the engine that slams your Bmw Serie 3 F30 should go back to normal functions because the lubrication of the engine will be done normally, remember to check the condition of the engine.

Engine of my Bmw Serie 3 F30 that rattles when cold because of too fluid oil

Another possibility which can justify an engine which cold rattling on your Bmw Serie 3 F30 is that during an oil change the selection of oil was not perfect, in fact, engine oils differ on their viscosity, which we will compare with the “W” value, the higher this value is the thicker the oil will be and vice versa. If a too fluid oil has been picked, it is possible that when cold, the lubrication it allows is not adequate to limit engine slamming, compare the oil used and the oil advised by the manufacturer, if your engine clicking is strong or if it persists on your Bmw Serie 3 F30, do not be reluctant to replace it with the right oil.

Engine that rattles when cold on my Bmw Serie 3 F30 cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has complication starting when it is cold, it may be your Bmw Serie 3 F30 glow plugs that are defectives. In fact, a dead spark plug will trigger the connected cylinder not to heat up and will cause a stronger rattles on an engine Bmw Serie 3 F30, so consider testing the state of your spark plugs separately using a multimeter, it may be that only one is involved like all of them. Here, we have explained to you, the main causes of an engine that cold slam on a car, do not be reluctant to read our page dedicated to your car to find additional info on all the breakdowns linked to your vehicle.

Whenever you have any further questions about the Bmw Serie 3 F30, do not hesitate to consult our Bmw Serie 3 F30 category.