BMW M2 - Which fuel is recommended?

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50pence
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Re: BMW M2 - Which fuel is recommended?

Post by 50pence » Thu May 18, 2017 11:13 pm

Kerr wrote:
Thu May 18, 2017 3:23 pm
Ezzra wrote:
Thu May 18, 2017 1:58 pm
50pence wrote:
Thu May 18, 2017 1:53 pm


Yes, that's the point, 95 RON is actually pretty decent, in many countries including the US much lower octane fuel is available and as far as I know most BMWs will run on fuel as low as 89 RON, the electronics retard the ignition etc, efficiency and performance are reduced.

However I almost always run my M135i on BP Ultimate or Shell V-Power as the higher octane will enable the engine performance to be optimised.
I think I'm correct in saying the US uses a different measure that the UK RON. So not directly comparable. But yes, for the UK 95 is the lowest :)
The US states the octane in MON whilst we are RON.
To be pedantic I think the US rating is some kind of average between the two.
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Re: BMW M2 - Which fuel is recommended?

Post by 50pence » Thu May 18, 2017 11:14 pm

Ezzra wrote:
Thu May 18, 2017 8:54 pm
marco_polo wrote:
Thu May 18, 2017 6:10 pm
BMW.co.uk wrote:The performance and fuel consumption rates listed are based on the use of RON 98 fuel.
You can actually go as low as 91 RON if you need to, but the ignition (and power) will be severely pulled.
I wouldn't even put that it my lawnmower :lol: :lol:
I put super unleaded in my lawn mower, a Honda, as it doesn't go off over the winter.
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BMW M2 - Which fuel is recommended?

Post by Hoss » Fri May 19, 2017 2:58 am

Just run it on 98/99 RON. It's a performance car, so use performance fuel.

For what it's worth I use Shell V-Power in my M135i.

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Re: BMW M2 - Which fuel is recommended?

Post by Mrpink » Thu Dec 07, 2017 11:35 am

50pence wrote:
Thu May 18, 2017 11:13 pm
Kerr wrote:
Thu May 18, 2017 3:23 pm
Ezzra wrote:
Thu May 18, 2017 1:58 pm


I think I'm correct in saying the US uses a different measure that the UK RON. So not directly comparable. But yes, for the UK 95 is the lowest :)
The US states the octane in MON whilst we are RON.
To be pedantic I think the US rating is some kind of average between the two.
Yep the US pump station using AKI which is the average of RON & MON.
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Re: BMW M2 - Which fuel is recommended?

Post by YaoNg » Thu Dec 07, 2017 11:40 am

50pence wrote:
Thu May 18, 2017 11:14 pm
Ezzra wrote:
Thu May 18, 2017 8:54 pm

I wouldn't even put that it my lawnmower :lol: :lol:
I put super unleaded in my lawn mower, a Honda, as it doesn't go off over the winter.
Aren't you supposed to drain your lawnmower of petrol for the winter to avoid damage to the carburettor? That was a costly mistake I made one year.
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Re: BMW M2 - Which fuel is recommended?

Post by GeeDee » Thu Dec 07, 2017 12:43 pm

50pence wrote:
Thu May 18, 2017 11:14 pm
I put super unleaded in my lawn mower, a Honda, as it doesn't go off over the winter.
Appreciating this is an old thread resurrected, why wouldn't SUL go off? Of course it does, in the same way as NUL.
sawda wrote:
Wed May 17, 2017 2:12 pm
Shell v power imo, bp ultimate or tesco premium if you like but shell v power is recommend for m cars but in the real world there is little seprating them. The internet is full of into om the subject matter but if your driving an m2 premium fuel is a must really.

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Why would you pay such a large premium for 2 extra octanes (bp "not" ultimate) compared with 4 extra for the other two? :?

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Re: BMW M2 - Which fuel is recommended?

Post by JCW2M135i » Thu Dec 07, 2017 6:53 pm

Putting worse fuel in your car will not do any damage to it, and the performance delta between 98 Ron and 95 Ron is a lot less than 89 Ron and 95 Ron (89 Ron just makes turbo engines feel flat and make driveability a lot worse such as lumps and bumps).

I do know BMW do a lot of their calibration on 98 Ron then have a clever function to interpret this to 95 Ron so that driveability isn’t affected by more knock being active. Also, most of their requirements are 98 specific.

But...you have brought a high performance car that has been developed on 98 Ron - why put cheap fuel in it? Even in reality you will see no difference other than when you drive it hard.
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Re: BMW M2 - Which fuel is recommended?

Post by dannym » Sat Dec 09, 2017 5:20 pm

She'll V-Power.
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Re: BMW M2 - Which fuel is recommended?

Post by 5678 » Wed Dec 13, 2017 7:49 pm

dannym wrote:
Sat Dec 09, 2017 5:20 pm
She'll V-Power.
I bet she does! :mrgreen:
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Re: BMW M2 - Which fuel is recommended?

Post by Deadeye » Tue Dec 19, 2017 10:34 am

Tesco 99 for me.

I found it would allow slightly more boost pressure when I had my 335i and JB4 in automap over Shell v-power.

Also didn't v-power change a year or so ago from 98-97?
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Re: BMW M2 - Which fuel is recommended?

Post by wenklaw » Tue Dec 19, 2017 11:55 am

Deadeye wrote:
Tue Dec 19, 2017 10:34 am
Tesco 99 for me.

I found it would allow slightly more boost pressure when I had my 335i and JB4 in automap over Shell v-power.

Also didn't v-power change a year or so ago from 98-97?
Shell V-Power still 99 ron according to this:

New Shell V-Power unleaded is a 99RON octane fuel. By comparison, regular Shell unleaded is 95RON. New Shell V-Power unleaded -the power of high octane



https://www.shell.co.uk/motorist/help-a ... -help.html under what is RON

I got a bit paranoid about using Tesco fuel after the contamination 2007 episode. I probably shouldn't be.

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Re: BMW M2 - Which fuel is recommended?

Post by 5678 » Tue Dec 19, 2017 1:12 pm

BMW have a commercial tie in with Shell. That's why they recommend it.
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Re: BMW M2 - Which fuel is recommended?

Post by Deadeye » Tue Dec 19, 2017 1:23 pm

wenklaw wrote:
Tue Dec 19, 2017 11:55 am
Deadeye wrote:
Tue Dec 19, 2017 10:34 am
Tesco 99 for me.

I found it would allow slightly more boost pressure when I had my 335i and JB4 in automap over Shell v-power.

Also didn't v-power change a year or so ago from 98-97?
Shell V-Power still 99 ron according to this:

New Shell V-Power unleaded is a 99RON octane fuel. By comparison, regular Shell unleaded is 95RON. New Shell V-Power unleaded -the power of high octane



https://www.shell.co.uk/motorist/help-a ... -help.html under what is RON

I got a bit paranoid about using Tesco fuel after the contamination 2007 episode. I probably shouldn't be.
Ah, I knew it had changed - it was 98.

There is a new Shell garage in town but it's a ball-ache to get to compared to Tesco.
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Re: BMW M2 - Which fuel is recommended?

Post by wenklaw » Tue Dec 19, 2017 2:46 pm

Deadeye wrote:
Tue Dec 19, 2017 1:23 pm
wenklaw wrote:
Tue Dec 19, 2017 11:55 am
Deadeye wrote:
Tue Dec 19, 2017 10:34 am
Tesco 99 for me.

I found it would allow slightly more boost pressure when I had my 335i and JB4 in automap over Shell v-power.

Also didn't v-power change a year or so ago from 98-97?
Shell V-Power still 99 ron according to this:

New Shell V-Power unleaded is a 99RON octane fuel. By comparison, regular Shell unleaded is 95RON. New Shell V-Power unleaded -the power of high octane



https://www.shell.co.uk/motorist/help-a ... -help.html under what is RON

I got a bit paranoid about using Tesco fuel after the contamination 2007 episode. I probably shouldn't be.
Ah, I knew it had changed - it was 98.

There is a new Shell garage in town but it's a ball-ache to get to compared to Tesco.
I only use Shell really as they have loads of garages local to me, very convenient. I've become OCD about using vpower now which isn't good and is ridiculous if I am honest, even when I travel I look to make sure there are Shell garages handy! I really shouldn't be so loyal as they broke the iPhone app meaning you couldn't pay at pump, weeks it was broken for with zero apology.

I reckon I will give Tesco Momentum another go next fill and try to break the evil OCD cycle

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Re: BMW M2 - Which fuel is recommended?

Post by sawda » Tue Dec 19, 2017 8:37 pm

Another v power only user. Literally never filled anything else in the last 5 years.

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