BMW Z4 (E85)  There are 4 products.

BMW Z4 (E85)

2002-2008 Z4 | BMW convertible hinge cylinder and hydro unit rebuild & upgrade service.

Our Core Exchange option makes this as easy as buying a pair of new cylinders - you only have to ship back your old cylinders afterwards for core credit. Top Hydraulics' also rebuilds and upgrades convertible hydraulic pumps, and we also manufacture our own upgraded hydraulic lines.

Owning and driving a convertible with an automatic top is prestigious, convenient and exciting - let Top Hydraulics help you enjoy your beautiful car even more by making your convertible top system truly better than new!

Top Hydraulics' standard warranty is 3 years on rebuilds/upgrades of convertible top cylinders and hydraulic pumps, and on new hydraulic hoses.

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