Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the tonneau/case cover cylinders in pairs. You send in your cylinder(s) first, or order from our stock with the core exchange option below.
BMW P/N: 54348236956
This product is no longer in stock
See removal instructions http://www.tophydraulics.com/e46storagecylinders.pdf in our DIY section. You remove your cylinders you would like to have rebuilt, and send them to us. Core exchange is NOT available for these BMW cylinders. Once we receive your cylinders, the turn around time for BMW cylinders is 1-3 days for rebuild service and we will ship the cylinders back to you by Priority U.S. Mail (2-3 days delivery time).
International shipping: One or two of these cylinders can be return shipped in an International Priority Mail or Express Mail Envelope (we box them up inside the envelope).