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PUTTING AN ENGINE OIL ADDITIVE LIKE SLICK 50 |
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BrianMarkWilson 
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Joined: 27 Jan 2016 Location: harrow Status: Offline Points: 69 |
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 Topic: PUTTING AN ENGINE OIL ADDITIVE LIKE SLICK 50Posted: 08 Mar 2016 at 6:35am |
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WHAT IS THE VEIW ON ENGINE OIL ADDITIVES
SAY FOR EXAMPLE SLICK 50 ? AND ENGINE FLUSH... WHAT DID YOU DO... BMW E320 318I ENGINE DONE 140,000 THANK YOU |
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RParkinson
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Joined: 28 Nov 2012 Location: North Yorkshire Status: Offline Points: 183 |
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Posted: 08 Mar 2016 at 8:13am |
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With modern oils, changed at regular intervals, the additives are totally unnecessary. Far better, and cheaper, to use a good quality oil rather than a cheap oil and an additive.
By the way, using all caps makes a post more difficult to read and can be taken as 'shouting', better to use regular capitalisation with mainly lower case.
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2013 F06 M6 Gran Coupe
2003 E39 M5 1980 E26 |
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Mike Fishwick
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Joined: 04 Aug 2006 Location: France Status: Offline Points: 2753 |
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Posted: 08 Mar 2016 at 9:25am |
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Slick 50 can often increase wear in an engine! there are several US universities, not to mention NASA, who have proved this in their tests, and when du Pont, who manufacture the PTFE they use, tried to stop its use, but were unable to do so on some obscure pretext.
I have an old article on the subject, which hopefully may become added to the 'How To' forum. Just change the oil every 10k miles or so, forget about the idiot lights, and you will be OK. With regard to flushing, it is really no longer necessary if the engine is internally clean - the inside of the oil filler cap gives a good guide. If in doubt, use a high-detergency oil - most diesel oil types now are anyway - and give it a couple of changes at about 5000 miles. This will get any sludge out of the engine. Extended oil changes are a curse, particularly if performed cold - see my bits on choosing engine oil, and that on oil changes in the 'How To' forum area. Edited by Mike Fishwick - 08 Mar 2016 at 11:43am |
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A Z3 is not just for Christmas - it's for life!
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BrianMarkWilson
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Joined: 27 Jan 2016 Location: harrow Status: Offline Points: 69 |
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Posted: 08 Mar 2016 at 6:53pm |
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Thank you all for the advice.
does help.
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estoril
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Joined: 20 Sep 2010 Location: United Kingdom Status: Offline Points: 109 |
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Posted: 08 Mar 2016 at 7:17pm |
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Just posted Mike's article here: http://www.bmwccgbforum.co.uk/topic12606_post72188.html#72188
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BrianMarkWilson
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Joined: 27 Jan 2016 Location: harrow Status: Offline Points: 69 |
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Posted: 09 Mar 2016 at 7:46pm |
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Thank you all for your advice....
while at work this topic came up again... and i told them your advice.. and all agreed with you we then went on to fuel additives petrol and diesel most of the fitters were thumbs down on putting in an addertive in diesel cars fitted with a cat but all were in favor of putting in and addertive if petrol any veiws.
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dteagles
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Joined: 09 May 2007 Location: UK, Bucks Status: Offline Points: 3476 |
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Posted: 10 Mar 2016 at 9:26am |
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There are times when a fuel additive is appropriate such as running an older car on modern fuel with it's high methanol content that can break down rubber seals, and of course the obvious lead replacement additives should you have a cylinder head without the appropriate valve seats.
I think there is some evidence to suggest that you can clean up a fuel system using an appropriate additive but generally they don't do anything for day to day use, the only other reason to use one (in my opinion) is when you are leaving a car laid up for months, in this situation the fuel can go stale so a stabilising additive might help but you're unlikely to notice any issues anyway and will be sorted out sat the next fill up! It's probably better to empty the tank if you can and fill up when you next need to use the car.
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 Think about what you can do for the club, not what it can do for you... |
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MHunt
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Posted: 10 Mar 2016 at 2:38pm |
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I'm with Darren on all counts. Oil is the lifeblood of your engine and only stick things down that hole when you completely understand the effect they will have, and any downsides. I have found the chaps at Opie Oils give very sound advice. and for those who *really* want to know about oil - have a read of this thread the next time you have a month going spare: (the research of Raymond Woertman is legendary).
As Darren says, the case for furl additives is more nuanced (but still do your research). I have used Wurth fuel additive to clean injectors when I have bought used cars and not seen any downside. I bought a bottle of Stabil to lay the M3 up this winter, but then decided not to use it as I had never had an issue with 4 months downtime in the past. Might try it next year. I also keep a bottle of Octane booster in a Jap import car that should only really run on V power, in case I am forced to use lower Octane fuel at any point. (And that car visits petrol stations a lot).
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BrianMarkWilson
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Joined: 27 Jan 2016 Location: harrow Status: Offline Points: 69 |
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Posted: 10 Mar 2016 at 5:28pm |
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Thanks DT and MH for the info...i was a great user of addertives but i am now slipping away from them. just keeping the car well maintained seems to be paying off..
thanks again lads
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NickDE
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North East Chairman Joined: 14 Mar 2015 Location: Newcastle Status: Offline Points: 1139 |
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Posted: 10 Mar 2016 at 7:20pm |
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I understood that it is better to leave a car with a totally full tank, if it has a metal tank. This is to stop condensation forming which leads to the tank rusting from the inside out.
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Darkness gone, Tronic gone, Solo gone, DBA gone, go Darknes2, go Frozen, go Black Pearl, go Echo. RIP The Vibrator
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MHunt
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Joined: 23 Jan 2012 Status: Offline Points: 424 |
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Posted: 11 Mar 2016 at 6:53am |
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If the layup period is 6 months or less then I agree, I would brim the tank. Edited by MHunt - 11 Mar 2016 at 6:53am |
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Mike Fishwick
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Joined: 04 Aug 2006 Location: France Status: Offline Points: 2753 |
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Posted: 13 Mar 2016 at 10:17am |
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I would suggest a full tank anyway - and of 97b octane, which stores better than the 95 octane rubbish.
I have no complaints about Millers fuel additive - I have used their petrol additive in my Z3 for about 100,000 miles, and previously Golf GTIs for double that distance, finding that it kept the injector nozzles spotlessly clean, when others were having them ultrasonically cleaned. Likewise, their diesel additve can work wonders - our Golf TDI was really off-colour by about 50,000 miles, struggling to reach 50 mpg on a 70 mile motorway run. After the first dose, it easily managed 60 mpg on the same run (Plymouth to Taunton on the M5) and maintained this to Nottingham, using secondary roads all the way. After 212,000 miles we still use it - the engine remains silky smooth, the unit injectors have never been out, and the high-pressure fuel pump was only replaced as a preventative measure at about 200,000 miles. Fuel consumption averages 50 mpg even in our very cold winters, with up to 75 mpg in summer. |
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A Z3 is not just for Christmas - it's for life!
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Lancs BMW
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Joined: 28 Jun 2015 Location: Preston Status: Offline Points: 106 |
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Posted: 13 Mar 2016 at 11:36am |
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Whilst I would never openly disagree with other people's opinion my stance is as follows. Having been in the Parts trade for almost 40 years I've seen some horror stories over the years.
My advice has and always will be this, with older engines and higher mileage do a flush every other service. This removes gum and keeps your oil ways clear and clean which prolongs engine life. I also recommend an oil additive, I use Lucas Oil Treatment. I've used it for years, if you read up on it it speaks for itself. As for Oil you don't need to use (named) brands as long as it meets and or exceeds the recommended spec then your ok. I own a 96 328i sport with 107k n the clock, I know the history of its service life and it's been looked after. I use Comma 10/40, Mann Filter, Comma or Wynns flush and Lucas Oil Stabilizer. My engine purrs like a cat. I also use Comma Petrol magic once every couple of months to clean the fuel system. |
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BrianMarkWilson
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Joined: 27 Jan 2016 Location: harrow Status: Offline Points: 69 |
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Posted: 13 Mar 2016 at 11:51am |
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hi lancs bmw.
thank you and all the others for there imput.... i wilkl use a flush and we stock the lucas products ... will give this a go my e30 has done 147,000 miles and i am replacing just about everything at the moment from spaings and shocks to a full service ... it will be worth it.
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rpennington
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Joined: 22 Apr 2013 Location: Leic Status: Offline Points: 991 |
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Posted: 13 Mar 2016 at 5:28pm |
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I have been looking at using a fuel additive to clean the fuel injectors & system on my E46 323i, but didn't know which is the best one to go for as I have seen a lot of different types in halfords as they have offers on at the moment on motoring products.
I have used slick 50 as an oil additive a few years ago in a cavalier Sri I had & have thought about putting it in my 323i as it has now done about 125k miles. I do have it serviced when necessary & use fully synthetic oil & so did think about using slick 50 for synthetic oil. Regards Rich |
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1999 E46 323i se Saloon - sold
2011 E90 325d msport - sold 2014 F30 335d xdrive msport plus pack - sold 2018 f36 420d msport gran coupe xdrive - written off 2020 f44 m235i gran coupe xdrive |
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dteagles wrote: