Learn to diagnose that startup rattle 54k subscribers in the bmwtech community We cover 5 top causes, helping you tell the difference between minor sounds and serious problems requiring a.
TEST BMW M340i xDrive – Stojí vysněná trojka za to? | Auto.cz
A brief rattle for a duration of a few seconds, typically on cold engine start, is very normal and nothing to worry about
Presumably, it is caused by the decompression of the timing chain tensioner.
There is a rattle upon startup coming from somewhere from the front/engine of the car It only rattles at cold start up and only rattles for less than 3 seconds litterally, so it wont rattle long. 3 4 series technical topics diys and coding discussions anybody's m340i have this engine rattling problem? However, whenever we start it there is a rattling noise in the front only during a cold start and it last for only a few seconds during the startup
I have looked it up and my theories are that it could. That unnerving rattle from your car’s engine at startup can turn any smooth drive into a bumpy road of worries It’s not just a pesky noise
