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      03-26-2019, 02:48 PM   #14
M5Rick
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Drives: M5 F10 DCT Gunmetal
Join Date: Aug 2018
Location: Southern England

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US injectors are probably different to UK spec, here they have to run on 98 RON minimum,I use 99RON and can confirm UK cars have in line replaceable fuel filter under the car which is not there on US cars.Some have said it's in the fuel tank.
Appreciate 1
KurtsM534.50