Bio Mile Petrol Advance Fuel System Cleaner is a 100% herbal fuel additives which are an easy way to keep you petrol engine vehicles healthy. Deposits that build up on your fuel injectors reduce efficiency, meaning you use more fuel. Bio Mile Petrol Advance Fuel System Cleaner fuel additives clean your injectors to help you to save fuel. Bio Mile Petrol Advance Fuel System Cleaner is a advanced Fuel System Cleaner will give a boost to your carâ??s health and fuel economy. Add to petrol tank for an intensive clean.