Mine ate about 1 litre for the first 8k miles and now it hasn't consumed any since then. I'm currently at 15k miles!
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Current mods: Forge FMIC, N55 Midpipe, Alcantara Steering Wheel, OEM 2012 LCI Black lines, BMW Performance grilles and pedals, Ohlins R&T suspension, Supersprint Exhaust, BMS Charge Pipe, Forge Diverter Valves
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