BMW 1 3 Series E81 E82 E90 E91 DSC ABS Hydraulic Unit Pump Genuine 34516797896. Despatched from UK warehouse. Genuine BMW part 34516797896. DSC Hydraulic Unit – ABS Pump. This is only the pump and does not include the electronic module. BMW 1 Series E81 E82 E87 E88. BMW 3 Series E90 E91. This is a genuine BMW DSC Hydraulic Unit. We guarantee that the part you receive will be a genuine OEM part. Return must be opened within 14 days from the day you received the item. If you are not sure just send us a message and we will try our best to help. Any evidence of the item being used voids your return.