The product is a genuine BMW ABS and DSC hydro braking pump, suitable for models in the 1, 3 series (E87, E90, E91) with engine codes N52 and M57N2. Additionally, it has reference OE/OEM numbers such as 6771697, 6770588, and 34516771697. This high-quality braking system component is essential for maintaining safe and reliable braking performance on BMW vehicles.