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      01-09-2019, 10:29 AM   #1
antjones21
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Gas

I just ordered my first BMW X4 xdrive30i on Saturday and it's due production week 4. What type of gas should I be using once I get the car? I've seen premium and mid grade mentioned but no definite answer.
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      01-10-2019, 11:49 PM   #2
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Quote:
Originally Posted by antjones21 View Post
I just ordered my first BMW X4 xdrive30i on Saturday and it's due production week 4. What type of gas should I be using once I get the car? I've seen premium and mid grade mentioned but no definite answer.
Premium preferred. Engine has a knock sensor so if you use 87/89, spark timing will adjust
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      01-11-2019, 08:52 AM   #3
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Originally Posted by drexplode View Post
Premium preferred. Engine has a knock sensor so if you use 87/89, spark timing will adjust
Thank you
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      01-11-2019, 12:52 PM   #4
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check the gas cap sticker, no less then 91
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      01-21-2019, 05:28 AM   #5
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It's usually best to look in the owner's manual and use what is recommended by the manufacturer. (I also wouldn't vary what you put in)

I pulled the digital manual for the 30i it says;

General information
For the best fuel efficiency, the gasoline should be sulfur-free or very low in sulfur content.
Fuels that are marked on the gas pump as containing metal must not be used.
Fuels with a maximum ethanol content of 25 %, i. e. E10 or E25, may be used for refueling.
Ethanol should meet the following quality standards:
US: ASTM 4806xx
CAN: CGSB-3.511xx
xx: comply with the current standard in each case.

Recommended fuel grade
BMW recommends AKI 91.

Minimum fuel grade
BMW recommends AKI 89.

If you use gasoline with this minimum AKI Rating, the engine may produce knocking sounds when starting at high external temperatures. This has no effect on the engine life.
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      01-27-2019, 06:18 PM   #6
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Quote:
Originally Posted by nyalpine90 View Post
check the gas cap sticker, no less then 91
False. No less than 89. 91 recommended. I use 89.
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      01-28-2019, 07:19 AM   #7
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Originally Posted by jmh600cbr View Post
False. No less than 89. 91 recommended. I use 89.
i bet you get shitty performance.
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      02-08-2019, 07:33 PM   #8
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Quote:
Originally Posted by Barathon View Post
It's usually best to look in the owner's manual and use what is recommended by the manufacturer. (I also wouldn't vary what you put in)

I pulled the digital manual for the 30i it says;

General information
For the best fuel efficiency, the gasoline should be sulfur-free or very low in sulfur content.
Fuels that are marked on the gas pump as containing metal must not be used.
Fuels with a maximum ethanol content of 25 %, i. e. E10 or E25, may be used for refueling.
Ethanol should meet the following quality standards:
US: ASTM 4806–xx
CAN: CGSB-3.511–xx
xx: comply with the current standard in each case.

Recommended fuel grade
BMW recommends AKI 91.

Minimum fuel grade
BMW recommends AKI 89.

If you use gasoline with this minimum AKI Rating, the engine may produce knocking sounds when starting at high external temperatures. This has no effect on the engine life.
Quote:
Originally Posted by nyalpine90 View Post
Quote:
Originally Posted by jmh600cbr View Post
False. No less than 89. 91 recommended. I use 89.
i bet you get shitty performance.
I mistyped. I use the highest gas at whatever station I'm at. 91-93
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