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Discussion Starter · #1 ·
This could be quite interesting but I was wondering, as my mini isn't too far away, what type of petrol I should be putting into the new cooper.

Obviously it won't be diesel but wondered if it had to be 95 or 97 (is that correct?). I normally buy my unleaded petrol from Sainsbury's and wondered if I could continue down that road (sorry!) or I need to get premium petrol.

Thanks.
 

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Think I heard that if you don't use the premium grade as the norm, you should use it at least 1 tank full in 5 - having said that I don't think I've ever used premium grade fuel. It will be interesting to hear other members views
 

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Milo

In the A5 I put in shell v nitro plus

From the normal tank range of 420 miles I always got 505-510 on the trip computer

I did notice a change in the cars behaviour and I did try other premium unleaded petrol too - same result

So yes it was better - I will try it in the Mini against the normal petrol and I expect the same results

Excellent question
 

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I would imagine that the quality of additives is more important than the octane rating if you're thinking about longevity. However I think an engine will be absolutely fine on just supermarket 95 petrol sourced in the UK. If you use a higher octane rating, e.g. 97, 98, 99 or 100 then your fuel consumption and overall power may improve by one or two percentage points. :)
 

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We run both of our cars on Tesco 99 Ron mainly. Although I do like to run a tank of V power every so often just for the additives in the branded fuel.
 

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Discussion Starter · #7 ·
Milo

In the A5 I put in shell v nitro plus

From the normal tank range of 420 miles I always got 505-510 on the trip computer

I did notice a change in the cars behaviour and I did try other premium unleaded petrol too - same result

So yes it was better - I will try it in the Mini against the normal petrol and I expect the same results

Excellent question
Do you get the petrol from Shell only? I'm guessing this isn't available at supermarkets. I'll definitely go for super unleaded as a minimum, think there's only a difference of 2p a litre and I think tanks are only 40 litres aren't they? 80p on a fill up to get better results?

Not sure how much shell charge for petrol, unleaded here costs £1.27.9 a litre.
 

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Milo

No I got petrol from everywhere - the best normal petrol was from Total followed by Asda - Tesco Shell BP Sainsburys in order.

Premium was great all around from everywhere

That's how I wrote it down and that's how I remember it!
 

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Discussion Starter · #9 ·
Just checked Shell website and closest nitro stockist is 8 miles away so might not be worth it!! I'll stick with the super I reckon.

Interesting to see how people choose different options!!
 

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Discussion Starter · #11 ·
Very interesting results. Wonder what they say about MPG and effect on engines.

Anyone with an F56 Cooper know what it suggests on the fuel lid - do they suggest 95 RON or 98 RON?
 

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I believe they suggest 98 RON on the new models.

I remember driving back from Wales one night on the M4 and as I'd left at around 2am, I was just keen to get home and forgot to get petrol. I had to stop at motorway services, but they only had normal 95 RON Unleaded. As I was desperate for fuel I had to put £10 worth of that rubbish in. I actually thought there was something wrong with the car as the performance difference was very noticeable.

I'd driven from Manchester to Newport for a funeral & was heading home to London, so I noticed the difference immediately.

Bear in mind my current car is a JCW, so similar performance to the new MCS, which essentially uses the same engine as the Cooper, with the addition of an extra cylinder.

I've not noticed any difference between Shell & Tesco fuels. They're the 2 closest service stations to where I live, hence the two I use most frequently.

My advice, stay away from normal 95 RON and use 97-99 RON
 
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Discussion Starter · #13 ·
cheers Andy, from what I've been reading on the net I think I'll give Tesco Momentum (99 RON) a go and see. It's the closest with premium petrol.
 

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My F56 Cooper has RON95 as a recommendation on the petrol cap. It also gives a range, up to at least 98 but possibly higher.

For anyone reading in the USA, I think their RON ratings are different and so you should go by your car's manual.

FWIW I'm using RON95.

Oli
 

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Although I was doing a bit more research on fuel additives, that you add to normal '95' petrol to make it more powerful and efficient and came across this....


Guess that is a waste of money, so stick to the premium pump stuff.
 

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Discussion Starter · #16 ·
I'll speak to my dealer but I do think I'll be going for 98 RON as a minimum and possibly go for the Tesco Momentum at 99 RON which is only 5p more than regular unleaded.

2014 Cooper - Tank 40 litres -

Unleaded - full tank costs £50.76
Super Unleaded - full tank costs £51.56
Premium (Tesco Momentum) - £52.76

So jumping from regular to premium (local prices) we are only talking £2 extra and if you went from unleaded to super unleaded we are only talking 80p difference.

Neither are anything to quibble about. Very interesting.
 

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I'd love to know what I've been missing all these years - had 6 No Golf GTi's a JCW R56 and currently drive a MCS and have never used anything other than the cheapest supermarket fuel - have I really been doing it all wrong ??
 

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I'd love to know what I've been missing all these years - had 6 No Golf GTi's a JCW R56 and currently drive a MCS and have never used anything other than the cheapest supermarket fuel - have I really been doing it all wrong ??
So, from my basic maths - if I'm saving £2 a tank, and let's say I go through a tank a week - then that's £100 a year - so in 40 years of motoring I must be at least 4 grand up on the deal (comparatively speaking) - where's that options list ???!!!
 

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Discussion Starter · #19 ·
Don't think you've been missing out on anything to be honest. It was just something I was thinking about the other day and wondered what the best option was for the new car and to keep it ticking over as well as it could. For the sake of £2 as I've said I'll go for premium fuel as it makes sense.

I don't think there's a wrong or right option!
 

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I watched those clips and one of them said that all new cars have to be capable of running on standard unleaded fuel, so there's no necessity for anything else.

So it comes down to the claims of better performance (that the reviews tried to measure) and cleaning or caring for the engine (who knows?).

I can appreciate that the cost might not be much more, but the benefit seems nebulous and for me convenience is a factor (not sure my usual offers a better fuel... I need to check).

Maybe I'll be different once my precious is on the forecourt :)
 
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