White smoke from exhaust when accelerated hard

[pohls]

Wonder if anyone knows the reason or have the same experience? Recently, I tried to accelerate hard from still, and I'm shocked to see quite alot of white fumes spewed out from the exhaust. The smoke didn't continue after that. As far as I know. I don't have leaky engine oil problem as there is no need to top up engine oil or do I see oil stains on the floor where I park.

2006 E90 323i

 

[canuck78]

Re: White smoke from exhaust when accelerated hard

Like they say "if there's no fire, there's no smoke".

Either you have an engine oil leak (through valve seals, and out from the exhaust), or it's just early cool morning water vapour.

After warm-up for 10 min, get someone to rev your engine hard, and you stand behind at the exhaust to see.

Quite common esp if you have not changed your valve seals before, for an 2006 E90.

Wonder if anyone knows the reason or have the same experience? Recently, I tried to accelerate hard from still, and I'm shocked to see quite alot of white fumes spewed out from the exhaust. The smoke didn't continue after that. As far as I know. I don't have leaky engine oil problem as there is no need to top up engine oil or do I see oil stains on the floor where I park.

2006 E90 323i

 

[easy]

Re: White smoke from exhaust when accelerated hard

Could be early signs of an EO leak into the cylinders only obvious under stress, so you would want to keep an eye on it even though you may not want to take action now.

 

[Aaron_BMW]

Re: White smoke from exhaust when accelerated hard

Wonder if anyone knows the reason or have the same experience? Recently, I tried to accelerate hard from still, and I'm shocked to see quite alot of white fumes spewed out from the exhaust. The smoke didn't continue after that. As far as I know. I don't have leaky engine oil problem as there is no need to top up engine oil or do I see oil stains on the floor where I park.

2006 E90 323i

Valve seals need to be replaced.
See my thread on this topic will do

 

[pohls]

Re: White smoke from exhaust when accelerated hard

Thanks for the comments. I'll monitor for other symptoms before taking any actions. It's also reaching 100K soon... big one waiting for me....