Wynn'sWynn's Diesel Turbo Cleaner - Removes Carbon Build-Up & Frees Sticking Vanes - Cleans Diesel Oxidation Catalyst & EGR Valve - Restores Engine Power & Reduces Soot Emissions - 500ml

1. This is for the Black Bottle, Wynns Professional Turbo Diesel Cleaner2. The Professional version comes in 500ml, the normal retail bottle comes in 325ml, both are good.3. I have a 2015 BMW 520D M Sport Auto. The car performed well before the Turbo Diesel cleaner, I emptied the contents of the bottle into the tank, and filled the tank to full.4. After about 80 Miles I started to see a noticeable difference in responsiveness of the car. Not an imagined difference, a real difference, I could honestly feel it. It made a good car better.5. I like that it also cleans the EGR valve without the need to take things apart to spray something into it. I suppose that's not applicable to a car that's broken down due to the EGR valve clogging with carbon, but as a routine maintenance for one that's not I think this stuff is good for both the Turbo and the EGR valve.I use this periodically, every 3rd tank. I do as follows Tank 1: Redex Injector Cleaner (cheap at tesco when half price) Tank 2: Redex DPF Cleaner (Same reason) Tank 3: Either Wynns Professional Diesel Turbo Cleaner or the normal purple 325ml bottle (both are good)... all 3 of these cleaners work well, and my car never breaks down (it's also serviced routinely)Think I'm wasting money? Think you won't bother? Well, let your Turbo Vanes get heavy with Carbon Deposits and the solenoid motor work harder till it burns out and your car goes into limp mode in the middle of the motorway (not it didn’t happen to me, because I learned from other people’s mistakes, that’s what smart people do) , and when your Turbo fails and the garage wants a grand or more for a new turbo and your car’s off the road for a few days, with no courtesy car given due to no facility to clean it to Covid levels… then you realise not keeping the Turbo clean is a false economy. Better to pay a little extra now regularly than have the hassle of the aforementioned later. Same goes for the DPF Cleaner and Injector Cleaners... and the added bonus is you get to drive a car that performs as well as it should, it feels like a new car to drive once everything's cleaned out.

I was extremely skeptical when i read reviews and purchased this product too many snake oil products which this ISNT!!!.Our 2006 ford smax always had a noisy turbo under load, but then when towing the car went to limp mode. I realised it was a fault on the turbo as it only happened over 2k revs under load so drove carefully to get the car home.The fault was scanned and came up as a turbo fault (performance something like that), i was quoted around £1000 to have the turbo reconditioned effectively writing off the old family bus.After talking to a mechanic and clearing the codes he recommended we added this to a full tank of diesel and used the car normally - it was a nothing to lose situation.After around 50 miles i noticed the turbo had quietened and the car seemed to be pulling much quicker with better fuel efficiency. I think the turbo fins had carbon deposits and this cleared most if not all of them off.I decided to use the car as the daily driver for work for a couple of weeks just to check fuel consumption (i do 150 miles per day round trip) and the car was returning a 55+ mpg after 2 tanks of diesel with no fault codes (the car had always returned between 40-44mpg before hand).We then tested with with the caravan on the back - hard acceleration no problem, the car pulls like a train again and hopefully will give us a few more years of service until we have no need for a large car.We are going to add this to the car on a 6 month rotation, im also adding it to my 2017 diesel octavia to keep her clean - although i havent had any real change in driving performance on that car as the turbo is in A1 condition still.

This product is good to maintain a clean engine. But if you have turbo issues, then this product is not going to fix it, especially if the VNT mechanism inside the turbocharger is blocked with carbon. All you are doing is wasting money and delaying the inevitable. Once you have a new turbocharger then this stuff is good to prevent build up of carbon all thanks to your EGR valve "emission crap" get your EGR deleted and now issues ever.

Omg, no gimmick, a bit sceptical at first, poured it all into a half a tank of diesel, then took for a spin. Really blasted it, opened her up. In less than 5 minutes, acceleration was so fast like the day I bought the car. Just amazing!

I’d been having issues with my diesel going into limp mode from turbo overboost, which I was told was down to sticking vanes. Rather than dive straight into an expensive strip-down, I decided to try this first.I’ve actually used two bottles of Wynn’s Turbo Cleaner over the last few months, and I can say it really does help. The first bottle made some difference — the car felt a bit smoother and the boost wasn’t spiking as badly — but it was after the second treatment that I noticed a proper improvement. The turbo now spools much more cleanly, no sudden overboost, and the engine just feels healthier overall.It’s not an instant miracle fix, but if you’re patient and give it time to work through, it can save you a lot of hassle and money. For me, it’s been well worth it.

havent been on a long run yet but can notice a differance pulls better

Great product would highly recommend

Added to my fuel when next filled up. Not sure whether it has done any good but engine seems to be running a little better but can’t really confirm