Car repair question

29
Posted 8th Mar
Hi all.

my engine oil keeps burning even after frequent top ups. theres no leaks.

Cars a BMW 3 series 63 plate. anyone know how much roughly it may cost to repair? I've already changed the turbo based on another garage advise, but hasn't worked.

thanks.
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Bmw car forum, ..just give more detail than a plate reg year or they'll be likely to pass by your query too!
ithinkin08/03/2020 15:16

Are YOU this website police? Did ANYONE force you to respond? Then leave …Are YOU this website police? Did ANYONE force you to respond? Then leave this page.


Ahhh, nope.

You post an incredibly vague question, provide almost no info and then get arsey with the first reply? not going o waste my time offering advice.
Why don't you go on BMW forum??? Or do you think Joe public will know the answer who drives around in a Peugeot will.. serious question.
Edited by: "Gohan123" 8th Mar
29 Comments
Bmw car forum, ..just give more detail than a plate reg year or they'll be likely to pass by your query too!
Mr_Gus08/03/2020 15:11

Bmw car forum, ..just give more detail than a plate reg year or they'll be …Bmw car forum, ..just give more detail than a plate reg year or they'll be likely to pass by your query too!


If you cant help, then dont bother commenting
How much does it burn through, some engines do “use” it. early 2litre petrol turbos from vw had an acceptable consumption of 0.5 litres per 600 miles !
Edited by: "7ommy.78" 8th Mar
Mr_Gus08/03/2020 15:15

Comment deleted


Are YOU this website police? Did ANYONE force you to respond? Then leave this page.
7ommy.7808/03/2020 15:15

How much does it burn through, some engines do “use” it. early 2litre pet …How much does it burn through, some engines do “use” it. early 2litre petrol turbos from vw had an acceptable consumption of 0.5 litres per 600 miles !


Hi, thank you for your response.

It's been noticable over the last few months, where it'd need top up every 700miles or so. Took it to my local garage, they said it maybe the turbo or the engine.
Mines a 316 petrol by the way
Worn piston rings letting oil past, a compression test might shed some light
What's the mileage ? Its normally the piston rings worn letting oil be combusted as it seeps between the ring and cylinder walls.
My brother in law had same issue on his 320i with 100k miles and im sure he paid over £1000 to have new pistons and rings fitted at a back street garage, bmw wanted a ridiculous amount that was more than the cars value.
Usually the exhaust would be letting out a bit of smoke
Edited by: "Mark_Hickman" 8th Mar
Thank you for your very useful comment. Mines just under 100k mileage. Think you're right as that's what the mechanic said also, but dunno if I trust him anymore, as he made me change turbo prior! I think around a grand is do-able, but this garage did quote me £1900
esar08/03/2020 15:24

Worn piston rings letting oil past, a compression test might shed some …Worn piston rings letting oil past, a compression test might shed some light


I am very surprised that the garage I took it to didnt do these tests prior to asking me to replace turbo. Thank you for that ans I wish I had asked on here earlier!
Mark_Hickman08/03/2020 15:24

What's the mileage ? Its normally the piston rings worn letting oil be …What's the mileage ? Its normally the piston rings worn letting oil be combusted as it seeps between the ring and cylinder walls.My brother in law had same issue on his 320i with 100k miles and im sure he paid over £1000 to have new pistons and rings fitted at a back street garage, bmw wanted a ridiculous amount that was more than the cars value.Usually the exhaust would be letting out a bit of smoke


Yep this sounds like my car, smokes regularly also!
ithinkin08/03/2020 15:18

Took it to my local garage, they said it maybe the turbo or the engine.


Sounds like a great garage, what else would it be LOL
How much to repair? Somewhere between 50p and £50,000. But that's a guess. Issue is too variable to diagnose on here. Just go to 3 or 4 garages and see who you trust the most. Or as was suggested find a BMW forum and ask there for advice.
Rune_2H08/03/2020 15:32

Comment deleted


Funnily enough, I've actually got very useful information asking on here, and its specific to my needs / car.
Do some people just like commenting? Lol If you have no idea, just dont comment. Let those who do, comment and help. Thank you.
ithinkin08/03/2020 15:37

Do some people just like commenting? Lol If you have no idea, just dont …Do some people just like commenting? Lol If you have no idea, just dont comment. Let those who do, comment and help. Thank you.



its not the turbo
Not the same car but the wife’s BMW X3 was using lots of oil. Turned out to be a small oil leak but would have cost about £1500 to repair as the engine and gearbox had to come out for the repair. Have you noticed a leak/ wet patch on drive/road when leaving car sitting for a few days ? It was a small leak so hardly noticeable but would need topping up every few weeks
Edited by: "discozohan" 8th Mar
Why don't you go on BMW forum??? Or do you think Joe public will know the answer who drives around in a Peugeot will.. serious question.
Edited by: "Gohan123" 8th Mar
ithinkin08/03/2020 15:16

Are YOU this website police? Did ANYONE force you to respond? Then leave …Are YOU this website police? Did ANYONE force you to respond? Then leave this page.


Ahhh, nope.

You post an incredibly vague question, provide almost no info and then get arsey with the first reply? not going o waste my time offering advice.
Thank you for all the helpful comments, atleast now I know what maybe the issue. And, to all the trolls. Good luck finding someone that actually cares.
More likely to be valve stem oil seals.
You can usually tell if there's a puff of blue smoke on warm startup, or if you coast down a hill then boot it at the bottom.
how do you know its burning the oil, are you sure there its not a leak? I have a 59 plate bmw 318i and have a similar problem. though mine has just under 160k on the clock, but mine has a very small leak and when driving at faster speeds I have a faint smell of oil.
as mentioned above, I also recommend getting a compression test done and also ask them to link it up to a obd2 diagnostic tool, the advanced ones at garages show a fair amount of information.
Sell it
Jay9109/03/2020 02:06

how do you know its burning the oil, are you sure there its not a leak? I …how do you know its burning the oil, are you sure there its not a leak? I have a 59 plate bmw 318i and have a similar problem. though mine has just under 160k on the clock, but mine has a very small leak and when driving at faster speeds I have a faint smell of oil. as mentioned above, I also recommend getting a compression test done and also ask them to link it up to a obd2 diagnostic tool, the advanced ones at garages show a fair amount of information.


Was told by the garage that its burning oil. Didn't have reason to doubt as I go there regularly. Suggested to replace turbo.

Took it to another garage today, no fault found on the diagnostic machine. Suggested could be small leak somewhere, so will have to check properly.

Also could be due to the fact that I do about 1k miles a month. Might just keep it as is and get it px few months later
Edited by: "ithinkin" 9th Mar
ithinkin09/03/2020 17:58

Was told by the garage that its burning oil. Didn't have reason to doubt …Was told by the garage that its burning oil. Didn't have reason to doubt as I go there regularly. Suggested to replace turbo. Took it to another garage today, no fault found on the diagnostic machine. Suggested could be small leak somewhere, so will have to check properly. Also could be due to the fact that I do about 1k miles a month. Might just keep it as is and get it px few months later



to be fair to the garage, the turbo could have partially been the reason for the high oil consumption. But there are so many other ways it could be leaking. Could even been something as simple as a faulty oil filler cap. I suggest you take the car to a bmw specialist garage (Not to be confused with anything affiliated with BMW themselves as they will charge an arm and a leg to do anything, just referring to any garage that specialises in BMW cars.)
As suggested earlier, my first thought would be the Valve Stem Seals as they go rigid with age. check on startup, may need someone to start it for you while you check exhaust for a puff of blue smoke.
LadiesMan2I710/03/2020 15:37

As suggested earlier, my first thought would be the Valve Stem Seals as …As suggested earlier, my first thought would be the Valve Stem Seals as they go rigid with age. check on startup, may need someone to start it for you while you check exhaust for a puff of blue smoke.


Sounds likely but might not be any smoke as the DPF filters it all etc..
.MUFC.10/03/2020 18:50

Sounds likely but might not be any smoke as the DPF filters it all etc..


Its not a diesel engine so no DPF.
TheBiker10/03/2020 19:09

Its not a diesel engine so no DPF.


Missed "Mines a 316 petrol by the way" comment
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