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Mr. Nkosi.
for the BMW X3 2000 over engines there is an issue with their engines. The threads on the cylinder block where the compression gasket and cylinder head torqued just pull off and lost the correct tightening torque and starts the problems with loosing water or burning oil etc. Ask you mechanic to do a search about it and also check your engine for this possibility.
white were? the exhaust tip, or other spot, long pipe, name spot?
white, is steam or OIL.
oil smells like burnt oil and takes for ever to dispate
steam is water, and smells , sweet due to 50% glycol inside.
and goes away fast.
but all Gas engines make water at all the time running as a by product of combustion and for sure on cold days, some times full time cold
due to climate effects.
does your neighbors car smoke at same time, (look)
bingo , dew point.
all gas engine smoke cold started, (steam)
so first find out what it is,
take the dip stick out of a hot engine. stalled, drip it on the exhaust
see that smoke ,smell it? that is burning oil
now you know what you have, steam or oil. smoke.
This widespread problem is the one part no one thinks of: ENGINE VACUUM PUMP.it runs mechanically off camshaft;once seal leaks,oil from camshaft housing enters vac oump and becomes ingested by engine,therefore exiting tailpipe,water accumulation in by product of catalytic converter changing smog/carbon to water/vapor.REPLACE VAC PUMP AND SEAL ,SMOKE WILL STOP!!!!
as per BMW the correct engine oil in your car is CASTROL TWS MOTORSPORT 10w60, the engine holds 7 quarts with a new filter, hope this helps,P;ease rate my fix as i strive to be thr best. Thanks Ray
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