It is important to refer to the AdBlue®’s quality, which should be high. The use of an additive that does not meet the requirements of DIN 70070 will cause various problems that may start from increased emission of exhausts and result in the total destruction of the catalyst.

It can also cause various problems to the engine due to the increased pressure of exhaust fumes since they can not removed correctly on time from the catalyst. This is a result of the low quality of AdBlue® that reduces the size of the catalyst’s pores and deactivates the catalytic elements in the internal.