Help Needed E39

[Khanrocks]

During the KalBa Drive, A few members noticed some blue smoke comming out of my exhaust. Well there would be several reasons on what might be causing this BUT i really want to get it fixed ASAP before it gets worse.

Kindly help me regarding this matter, Since this my First BMW so i dont know abt much Service shops in UAE, i could take it to the dealer but i am sure they will rip me off...

Kindly HELP !!!

[SSense]

Blue smoke usually indicates your car is burning oil, first question, what oil are you using

[Ayham]

Regardless....Piston rings on the S62 are prone to leaking oil, I would start there.

Do you have over heating issues as well??

[Khanrocks]

No i do not have heating problems.

But one more thing, There is some Weird smell coming out of the tails pipes as well kinda of burning but its not that of oil burning.

[Bruno]

BLACK Smoke under hard acceleration = un-burnt fuel
BLUE smoke under hard acceleration = burning oil/oil blow bye

i read somewehere that the valve guides cause the blue smoke to show up

[Ayham]

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The smoke I saw was blue...regarding the smell, if u haven't decat ur car, then it's most like the oil smell

[Khanrocks]

Well i searched about this issue on the net also and found that Oil Burning for this engine is normal and would do so on hard accerlations and i assume my car smoked while on the hills.

Would that be considered normal than....

But again Blue Smoke is always scary.

[Ayham]

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I wouldn't rule it out as normal. We've had M5s in all our drives and races without any one with blue smoke.

[Bruno]

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Mine had black smoke... I'm overhauling the engine now in bahrain will post thread in that regards showing the damage. Mine was also drinking oil and was bad on fuel consumption.

[Khanrocks]

So which service shop should i take it to to get it properly checked and serviced then ?

[SewerSideUp]

Get a compression check to rule the blow by or leaky piston rings possibility out.

Get a compression check to rule the blow by or leaky piston rings possibility out.

+1

standart s62 gives 12-14 bars as far as i remenber, we need to check

when i got my s62 comp checked at MTM garage it was all more than 15, only one of them was 14 which is the cylinder initiates the combustion

it is worh trying

what is ur oil consumption btw? more than a liter per 1000km???

[alquazi]

what year is your beast and how many miles are on it?

[SSense]

what year is your beast and how many miles are on it?

2003 with 140K on the clock..

[alquazi]

2003 with 140K on the clock..

Then blue smoke is NOT normal. What oil are you using? How often do you change oil? How often do you add oil?