Ask BMW to replace the fuel tank

1. To refit a natural gas vehicle, you only need to go to a local regular refitting factory, submit the formalities of the vehicle and my certificate, and pay a certain fee, and the refitting factory will do everything well.

2. It is necessary to install CNG cylinders, CNG special ECU and CNG rail injection unit when refitting natural gas vehicles. Some are equipped with separate ignition advance angle adjusters.

3. There are two kinds of equipment for modifying natural gas. The first one is a single-point (mixed-jet in some places) car modification suitable for micro-bread, including Pu Sang electronic throttle, Chery A3 and other cars. The other is multi-point (also called direct injection), including pressure reducing valves, ECU and other equipment suitable for most models on the market at present, which is more economical to use gas. At present, natural gas is the first clean energy that the country is promoting. However, if the mileage is too high, it is recommended not to change.