Avoid at all costs!!! They are not worth it!
There is a reason why proper tuning boxes or remaps costs in the region of £300.
If you do a search there are plenty of threads on the dangers of cheap ebay boxes.
Alex
All these boxes do is fool the ecu in thinking the air temp is very low, so the ecu will add extra fuel, so your car will be over fueling (which is very bad) and lead to loads of problems, stay as far away as poss
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