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I wound doing a complete overhaul on my mini, after completion my compression went from 90 psi to 150 psi. Replaced valve seals , pcv/valve cover, fuel injectors, turbo, piston rings, timing chain and gears, oil pump/ chain and gears. Did the work myself so expense was only parts which was a bit over $1000. Happy to announce that my mini runs like a new car..

Great video! Was the Mini burning a lot of oil? Mine has the same smoking issue and burns a lot of oil, approx a litre on 800km. Thanks!

So what causing it to smoke!? I'm having the exact same problem with my mini.

Hello from Portugal I need some help if possible. I have a Peugeot Rcz 1.6 Thp, when the engine is cold I start it and it doesn't smoke, but if it idles for 5 or 6 minutes it starts to smoke and when I rev the engine it comes out even more smoke While driving I don't see any smoke What can I do to see if the problem is the Pcv valve? Thanks

i have N14 and getting smoke when hot, i changed the head and i still have smoke .. any thoughts

Hello from Portugal I need some help if possible. I have a Peugeot Rcz 1.6 Thp, when the engine is cold I start it and it doesn't smoke, but if it idles for 5 or 6 minutes it starts to smoke and when I rev the engine it comes out even more smoke While driving I don't see any smoke What can I do to see if the problem is the Pcv valve? Thanks

Hello from Portugal I need some help if possible. I have a Peugeot Rcz 1.6 Thp, when the engine is cold I start it and it doesn't smoke, but if it idles for 5 or 6 minutes it starts to smoke and when I rev the engine it comes out even more smoke While driving I don't see any smoke What can I do to see if the problem is the Pcv valve? Thanks

Hello from Portugal I need some help if possible. I have a Peugeot Rcz 1.6 Thp, when the engine is cold I start it and it doesn't smoke, but if it idles for 5 or 6 minutes it starts to smoke and when I rev the engine it comes out even more smoke While driving I don't see any smoke What can I do to see if the problem is the Pcv valve? Thanks

Hello from Portugal I need some help if possible. I have a Peugeot Rcz 1.6 Thp, when the engine is cold I start it and it doesn't smoke, but if it idles for 5 or 6 minutes it starts to smoke and when I rev the engine it comes out even more smoke While driving I don't see any smoke What can I do to see if the problem is the Pcv valve? Thanks

What the sigma 🤔

Just recently bought a project 2007 Cooper S. Previously owner had rebuilt the engine but couldn't get it working due to a ECU fault which I fixed (was only firing on 2 cylinders). Had all the receipts etc. Mines doing a similar thing. Sit at the lights for extended periods (2 or 3 mins) and a big puff of smoke out the back, otherwise nothing during normal driving. I suspected a dodgy PCV on the cheap rocker cover that had been installed and turned out I was correct however even after replacing it I'm still getting the puff when engine is hot at the lights. From what I can tell the head was done including valve stem seals back in 2021 so the car has been sitting for at least 3 years not working properly. Could the seals go bad in that time with no use?

PCV doesmt blow oil in. It causes presure difference which drags the oil up from the sump past the o rings and into the combustion chamber

Thanks for the great information mate!! Cheers!

Indeed, a very helpful video. I have exactly the same issue with my Mini R60 Cooper S. Is the valve position the same on the N18 engine?

Honestly your tutorials are real awesome, you make it easy to understand how and what you’re doing. I would like to see more interior part replacements, like the inside trim , door handles etc. 😅

Super helpful, I thought I was going break mine until I saw this.

I can't really understand why stem seals would make smoke at start up when cold. It makes no sense. The oil leaking from the seals isn't going to leak enough to drip down into the bores while the car is shut off, plus only 1 bore will have exhaust ports open anyway. The whole reason the seals smoke when hot is because that oil leaking is being blown into a red hot exhaust. The reason is also happens more on idle is because exhaust back pressure is lower which allows the oil to creep in.

Mines doing this. I’ve replaced timing chain, sprockets as mine snapped.. meaning.. yup.. all new valves. I’m stupid. Not a car guy just capable of fixing. I didn’t replace the seals they “looked” great. No obvious issues even from the vent valves in cylinder 2 intake side. I got lucky, I did lose a piece of the bottom engine mount where the dipstick would slide in, but it didn’t affect usage so saved money. I’ve got a mountain of issues in tackling job by job, but I want to take my cylinder head off again. That sucks, just so wasteful with tight to yield bolts everywhere. So I’m trying to replace just the valve stem seals with a timing chain refresh (45k and counting) so clearly my rebuild was mostly successful. But the other issues no fuel pump went, it was the vacuum seizing that snapped the chain. Turbo failed after that, replaced them all with scraps or Amazon specials, I’ll say Amazon valves seem to be holding compression great. Seals preventing oil, not so much.

Can you suggest someone in Sydney who can fix this problem? I have this exact problem with my car

Im interested in all around window trim in carbon for r59 convertible 2013

Video taping is horrible and makes you sea sick.

Shitbox motor same as peugeot 207 engine identical in fact

Hi, my mini has the same symptoms. Could this be the same diagnosis?

Sounds like valve guild oil seals .hmmm

Hola tengo el mismo problema el mini salt no turbo, funciona correctamente solo hecha nubes de humo cuando está detenido por unos minutos y cuando avanzas deja de hechar humo blanco, eso empezó con el cambio de aceite. Pero el carro funciona perfectamente solo es el humo blanco por el escape. Necesito tu ayuda gracias

Thanks! Time to work on the mini

Having similar problems with my 2014 Paceman JCW.. plenty smoke after long idle, it blows off and then none when driving normally . Accompanied with hard starting ,hard pinging and a general rough operation . It doesn't hard start or smoke when it's cold . I've changed the PCV, installed original spark plugs and coil packs, same problems . Also when it's idling I'm hearing a sorta throatal toad like echoing sound as if something is being restricted in the breathing system. There's also a trace of oil and hot oil smells around the engine area, and a lot of pressure when I open the valve cover . Is it possible that a lower part of the PCV system is still stuck despite changing the cover with red rubber and spring on top ? I saw a vid with some unit with a soleniod that get's stuck in the engine area but can't seem to find it now... Any suggestions ? *please note that the car goes kinda ok at higher speeds with no harsh bogging down bucking etc..probably a bit restriced I suppose but it goes without any obvious drama..

Hi, 2days ago brought a 2012 R56S, 156Kms. Having same issue, white smoke coming when engine is hot & idle. There's a slight oil leak near rocker covers ( no dripping to floor). I checked radiator for any air bubbles while running the engine, nothing observed. It has been recently serviced with new oil filter, air filter & spark plugs. That's all I know about the vehicle and I'm really worrying now. If I do a vehicle diagnostic test ( Quoted $175/hr.) from a local repair shop will it give correct directions? or what should I asked for mechanic?

Thank you this is exactly whats going on with my N18 im in the statea so the help with these cars are limited.

Nice video. My citroen ds3 has the same engine, same problem. I use liqui moly öl verlust stop and it completely stops smoking about 800 kms after pouring the additive. Great video.

My car blows white smoke after like 10 minutes of being on and yeah she really doesn’t like idling. I thought it might be my ECT sensor cus it caused an engine light (said with a faulty sensor the car can run very rich or lean and keep engine fans on which kinda explains my symptoms) so I’m about to throw a new thermostat in but we’ll see if that fixes it.

Exactly the issue I’m having! Now just need to find a mechanic that will help

i can only drive 30-40min max before my cooper starts smoking up!

Hello I have a lot of black smoke coming out of even have black spots on my trunk cover.Also diagnostics showes too rich mature any ideas?New cams with filters fitted,new valve cover,new turbo,new head gasket and all valves were cleaned from deposits.

I’m pretty sure I’m leaking oil as well. The oil level does not stay up. Like I go through oil so fast. I’m so frustrated cause I adore this car and I’m a very nervous driver so not many cares make me feel safe. Mine smoke when I press the gas. It’s white smoke right now. So nervous to take it in cause mama is 8 months prego and funds are low lol

Hi, Thanks for sharing such an informative clip 👍🏻 To be honest I’ve been trying to find a mechanic in Sydney who would know the job the way you do and fix the same issue for me but to no avail! Is there anyway you can assist me with the issue and I will cover any cost involved... Thanks 🙏🏻

Thanks for the great info (troubleshooting my 09 JCW with similar symptoms currently), would have been interesting to see your spark plugs from each cylinder as well, and see if they could have been another indicator of your overall findings!

hi, thank you for the video. I have the same problem with n18 and when I change oil with a new oil there's a lot of smoke bt only in the traffic so basically when the engine stay at minimum for a time. After 2000 miles the oil level getting down and there's no smoke. What I have to check change? thank you

My 2012 is pouring so much oil that leaks all over the rear of the engine when I’m driving and push the gas and the turbo fill up, leaks way more. I have oil in all my exhaust inside and under the car is all messy. Do you believe I have some piston ring broke or just the valve seal that is causing all this oil leakage? Thanks for the video

Great video! Maybe I know what air filter and red intake pipe your using and where did you got it from

Any video on how to replace the valve stem on this engine? Have a Picasso using same engine EP6CDT and the cover on the pcv system seems hard to remove without breaking something

Having same issue on a 2011 S countryman turbo belonging to a customer.

Thank you for the guide but it's incomplete and incorrect. The tabs on both the small tip that is already missing in this video and the base need to be pried open carefully with a tool or they will break.

is there an adhesive to keep it on? i have been using it and after a few uses it shifts up to the release button. Need something to hold it on the ebrake rod now that the retention clip is gone.

Thx for video you seem trustworthy I wish you’d look at my mini :( it smokes sometimes :(

Great video. I just bought mini for my wife and observed the white smoke from time to time... It looks like it.

I have also noticed that my car is showing signs of smoke when I blip the throttle in heavy traffic when the engine is really hot. I have checked the turbo and there is no play and I also have an oil catch can fitted so I am not sure it could be PCV related? I may drop the exhaust manifold off and look for signs of oil residue in the head. The only other worry could it be oil control rings? Might try a heavier 10W/50 for now??

Hello, does anyone now the part number for those two screw bolts, even in MINI they were not able to find them and i absolutely need one of those

It could be your oil and your coolant switching places

it does not explain how to remove the headset!