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brad850csi · 10-08-2018, 11:45 PM

I'd suggest posting on the 5 forums and ask about a 540i to be honest. Then allow a few percent extra.

The 540i Touring is rated at 7.8-8.0l/100km depending on wheels and the 640 GT is 8.1-8.2l/100km so they will be very comparable.

10-08-2018, 11:45 PM	#2
brad850csi Colonel 1316 Rep 2,349 Posts Drives: 16 F13 M6 Comp Join Date: Jan 2015 Location: Auckland, New Zealand iTrader: (0)	I'd suggest posting on the 5 forums and ask about a 540i to be honest. Then allow a few percent extra. The 540i Touring is rated at 7.8-8.0l/100km depending on wheels and the 640 GT is 8.1-8.2l/100km so they will be very comparable.
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