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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > anyone running SHELL gas with N20?
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      09-03-2021, 12:09 AM   #1
gameson
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anyone running SHELL gas with N20?

just curious, i heard that B48 and S55 engine knocks when running with SHELL gas

i am curious to know if any N20 runs SHELL and if it knocks.

thanks.

Last edited by gameson; 09-03-2021 at 08:29 PM..
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      09-03-2021, 08:13 AM   #2
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Gas is gas, there are no major differences between brands. Shell does not make 98 octane anyway. Perhaps you're looking at ratings from Europe or Australia, which aren't measured the same as in the US.
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      09-04-2021, 11:38 PM   #3
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Quote:
Originally Posted by gameson View Post
just curious, i heard that B48 and S55 engine knocks when running with SHELL gas

i am curious to know if any N20 runs SHELL and if it knocks.

thanks.
Only had it 2 months, but my B48 has had 8 tanks of Shell 93 V-Power Nitro+ and seems to really like it. Certainly no knocking.

I'm not sure why Shell 93 would knock more than any other type of 93 octane.
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      09-06-2021, 01:54 PM   #4
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Quote:
Originally Posted by gameson View Post
just curious, i heard that B48 and S55 engine knocks when running with SHELL gas

i am curious to know if any N20 runs SHELL and if it knocks.

thanks.
Stock B46 and shell 93 here. Zero issues. I've run BP 93 too and no issues there as well.
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      09-09-2021, 05:00 PM   #5
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Costco 91. Been awesome.

I used to buy Shell, but not many cars would buy from my local shell. So I'm guessing it had old gas and occasionally my car would have strange gas smells. Went away when I switched to Costco.

As long as the fuel has the Top Tier designation and meets or exceeds the octane rating then it's fine. My local Costco gas station refills daily, so I'm always getting new fuel which is important IMO.
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      09-09-2021, 08:27 PM   #6
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shell gas is great shouldnt have issues just run 93 vpower, for some reason I always got the impression shell pump is gold standard?
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      09-09-2021, 10:16 PM   #7
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Quote:
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shell gas is great shouldnt have issues just run 93 vpower, for some reason I always got the impression shell pump is gold standard?
Shell is top tier. A lot of people swear by shell. I used to fill up with BP ultimate because they also had E85 (for when I was running my JB4). But since my car has been stock for a while now, I moved to shell because apparently it's the best?
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      09-12-2021, 12:59 PM   #8
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'13 328i F30 N20, no issues with Shell at all, it actually loves Shell. The only way gas would cause a knock would be bad gas, someone's being cheap by putting the lowest octane gas in or someone put diesel in (which would cause more than a knock). But as long as the right gas octane rating is used, it's good to go.
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      09-12-2021, 09:55 PM   #9
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No issues with shell or chevron. Would run chevron for Techron due to driving across the country, but shell was good too.
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      09-26-2021, 09:41 AM   #10
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As much praise as Sunoco gets, I consistently get CELs when using the station by my house. 93oct. Car is a 14 n20 completely stock. Shell and Costco FTW!
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      10-03-2021, 07:48 AM   #11
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Quote:
Originally Posted by Billfitz View Post
Gas is gas, there are no major differences between brands. Shell does not make 98 octane anyway. Perhaps you're looking at ratings from Europe or Australia, which aren't measured the same as in the US.
I agree. I think a bad tank of gas is certainly possible but picking one brand over the other is pointless. If there's any difference it's a regional one, not brand-based.
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      10-03-2021, 09:26 AM   #12
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Picking one brand over another doesn't necessarily get you anything. For instance, for all the hype about Sunoco they haven't refined all of their own gas since 2011, none since 2019.
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