After blue smoke coming out of exhaust was told it was my turbo which was replaced but primed it and loads of oil now coming into exhaust new turbo checked and was told it was ok breather pipe checked and clear can u help it is a e46 320 td 2003
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It's very simply to find out if the turbocharger is causing blue smoke from the exhaust vs a blown head gasket. So, remove the turbocharger's compressor inlet centre hose (from the aluminium side of the turbo). Then see if there's in plenty of oil coming out from the hose and from the turbo. I'm 100% convinced that the turbocharger is damaged in your case. You can remove also the exhaust pipe out from the turbocharger, and see if there's a lot of oil coming out. Repair or replace bad turbocharger with a new one (or with a second hand in good condition one). Good Luck!
White smoke is usually coolant, oil is usually a blue color, most turbos r cooled by coolant so U may have a coolant leak in the turbo, may B a seal or crack in the turbo. Check your coolant level occasionally to C if it drops.
more than likelt its the turbo mate leaking from the exhaust side is there oil in the exhaust if so there is your problem if not take the 2" rubber pipe off from the turbo to the charge pipe and gently rev the bus you are looking for any wet oil coming out under load
IS the smoking extremly heavy ? Extreme heavy smoke where you cant see behind the car would indicate turbo. If this is the case no engine damage should have occured. The turbo on these cars are oil and water cooled, The heavy smoke indicates a worn seal in the turbocharger is leaking oil directly into the exhaust system and burning there. Catylitic and oxygen sensor damage may occur but engine damage is unlikely.
normally blue smoke is burning oil and if this is the case you may have a valve stem oil seal which is leaking these prevent oil getting into the top of the bore via the valves. if it does you grt the oil burning on start up givivg blue smoke and to fix these you may have to remove the cylinder hesd i work on lorries and classic cars and some you can get away with leaving the head on but have never worked on a bmw
blue smoke out of 1.8 turbo its allways bad oil seal inside turbo.need new turbo or rebuild OEM. with 24 years experience working with vw never seen single headhasket go bad on 1.8 turbo engines.blue smoke its 100% turbo every time