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The BMW Range
5 Series
E60, E61
What to check when the fuel consumption not consistent ...
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<blockquote data-quote="TheTaj" data-source="post: 686123" data-attributes="member: 6081"><p>Tyre size does play a role, it's called rolling resistance. A 17" rim & tyre combination will weigh less than an 18" rim & tyre combination. The few kilos difference add up to rolling resistance, the engine and drivetrain will have to work harder to turn a heavier wheel combination.</p><p></p><p>The solution to counter act this is lightweight rims but will heavy on your pocket, haha</p></blockquote><p></p>
[QUOTE="TheTaj, post: 686123, member: 6081"] Tyre size does play a role, it's called rolling resistance. A 17" rim & tyre combination will weigh less than an 18" rim & tyre combination. The few kilos difference add up to rolling resistance, the engine and drivetrain will have to work harder to turn a heavier wheel combination. The solution to counter act this is lightweight rims but will heavy on your pocket, haha [/QUOTE]
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The BMW Range
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E60, E61
What to check when the fuel consumption not consistent ...
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