Engine B48 Expansion Tank 17138610653 For BMW 3 SERIES G20 G28

Possess the world's first and only core technology for car kettles with built-in chemicals in China

Effectively prevent rust and scale, keep the engine strong and more energy-saving and environmentally friendly

Select high-quality auxiliary materials such as 3M from the United States, with stable and reliable quality

The products have passed the IS09001:2008 quality system certification of the German TUV company, and the products have been introduced into the international automotive industry quality management system TSI16949:2009.

Strict quality control system, high-end precision testing instruments at home and abroad