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<blockquote data-quote="ALBundy" data-source="post: 530605" data-attributes="member: 15">Actually BMW&#039;s service indicator is very advanced. It actually take into account of how hard you drive the car. If you drive it hard the green lights will &#039;disappear&#039; faster even though mileage clocked is low.&nbsp;&nbsp;Octane booster actually increases the Fuel&#039;s resistance to combustion. In layman&#039;s term it prevents knocking or pinging, which is premature combustion. As to whether your car can benefit from running higher octane fuel, it all depends on the compression ratio. Low compression engines will not get any additional benefit and it will be a waste of money. Higher octane level will also allow the engine to run with a more advance timing and hence more power. If you can&#039;t feel any difference between Ron 95 and Ron 97 then putting in a can of octane booster wouldn&#039;t make any difference. Cheers</blockquote>

[QUOTE="ALBundy, post: 530605, member: 15"] Actually BMW's service indicator is very advanced. It actually take into account of how hard you drive the car. If you drive it hard the green lights will 'disappear' faster even though mileage clocked is low. Octane booster actually increases the Fuel's resistance to combustion. In layman's term it prevents knocking or pinging, which is premature combustion. As to whether your car can benefit from running higher octane fuel, it all depends on the compression ratio. Low compression engines will not get any additional benefit and it will be a waste of money. Higher octane level will also allow the engine to run with a more advance timing and hence more power. If you can't feel any difference between Ron 95 and Ron 97 then putting in a can of octane booster wouldn't make any difference. Cheers [/QUOTE]

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