Ahoy!
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Look at evilBay item: 192522543687

If anyone has tried or is currently using this little gizmo box, could you post your findings good, bad or otherwise as I for one would like to know and I'm sure any other Volvo owner would be interested as this box type may not be widely known about.

There are 4 colour options which are:

Red: Diesel power/torque
Blue: Diesel fuel economy
Green: Petrol/Gas fuel economy
Yellow: Petrol/Gas power/torque

I'm thinking any saving on fuel would be welcome especially for automatic gearbox types and likely the extra grunt will work best with manual gearbox types, but other than having the ECU remapped, maybe USD $3.00 or GBP £1.73 - £1.86 is a small price to pay, but I've also read posts about the box causing issues with instruments and possibly other issues, so please post your findings, warnings or anything else.