"tick tick" sound from my engine

gmpng1973

Well-Known Member
it happened twice and i heard it loud and clear, when my engine is idle in P, there is this very loud "tick tick" sound, sounds like something caught jam to me, i stop and start the engine and the sound went off.

any bro any experience or any idea?

thanks!
 
Re: "tick tick" sound from my engine

tick tick? once or repeatedly? how old is your car and wat mileage you have on it?
 
Re: "tick tick" sound from my engine

non stop "tick tick". my E90 323i is only 5 months old, 10K on mileage
 
Re: "tick tick" sound from my engine

not sure if what i'm experiencing is the same as yours: at stop lines esp. when engine started after long breaks, can hear some continuous vibration/ ticking sound, not loud but audible. however, when vehicle is running, even at low speeds, or after driving some dozens of km, sound is gone.
 
Re: "tick tick" sound from my engine

I think I've got this tick tick sound in my interior when engine is running too. It sounds like some kinda purge valve in action, not really coming frm engine itself.
 
Re: "tick tick" sound from my engine

same here...when you just start the car...its quite obvious...but once it runs...gone...
 
Re: "tick tick" sound from my engine

hello.......... don't know leh, i am away, still in Sydney
 
Re: "tick tick" sound from my engine

hmm.... im having the same problem with my e90 320i too... it sounds like a bomb... brought it to auto bavaria and they didnt do much abt it....
 
Re: "tick tick" sound from my engine

The "tick tick" sound might be water dripping down from the air-con compartment. Sometimes, in car park where many makes of cars has parked, I noticed the largest quantity of water dripped from the air-con compartment of BMW saloon.
 
Re: "tick tick" sound from my engine

the cause of the sound is tappet noise, it will happen when your engine is started cold, when the engine warm up and engine oil start flowing nicely, the sound will disappear. unless the sound refuse to go away, otherwise it will not be harmful to the engine. if you are really bothered by it, try flashing your engine oil, as it could be due to the quality (cleaness) of the engine oil, changing the engine oil might help.
 
Re: "tick tick" sound from my engine

Anyone managed to solve this?

I realised that my ticking noise is coming from the center console and has some relation to the air-con. It goes off when i turn off the air-con or switch off the auto air-con. Seems like some valves diverting the flow is causing it.
 
Re: "tick tick" sound from my engine

even E36 have....tick tick sound from inside the engine compartment; only on cold start.
After warm up & is gone for the day till next morning or cold start.

BVO suggest pour a STP engine oil & is gone. E90 not sure :)
 
Re: "tick tick" sound from my engine

eng98... its the blower fan!
have it replaced and u hv a peace of mind liao....

cheers
 

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