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  • $149.00 - $445.00

Rebuild/Upgrade Service for 2002-2008 BMW Z4 Top Hydraulic Cylinders

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.

BMW Z4 (E85)

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Convertible hydraulic cylinder rebuild/upgrade for BMW model Z4 convertible soft top lifting system. Z4s have two "Convertible Hydraulic Top Hinges" with one built-in cylinder each.  Price listed is per pair

Optional core exchange is $50 more, plus a $350 refundable deposit, see details below.

Price
$445.00
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Price listed is for rebuild/upgrade service for individual hydraulic hinges - sen in your part first.

It is highly recommended to upgrade them in pairs. These hydraulic cylinders always fail almost simultaneously.

Core exchange is only available for hinge pairs, NOT individual hinges.

Price
$230.00
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Top Hydraulics manufactures new, superior hydraulic hoses. Use these hoses to replace your original ones or to relocate the pump into the left upper corner of your trunk. Top Hydraulics makes these hoses about 18 inches longer than the original ones for easy routing and potential pump relocation. Comes with three copper crush washers for installation on the pump end.

Left side hose pair - BMW sells this pair of hoses as part number 54347119639

Our upgraded hoses are longer lasting and rated at a much higher burst pressure than OEM!

Price
$149.99
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Top Hydraulics manufactures new, superior hydraulic hoses. Use these hoses to replace your original ones or to relocate the pump into the left upper corner of your trunk. Top Hydraulics makes these hoses about 18 inches longer than the original ones for easy routing. Comes with three copper crush washers for installation on the pump end.

Right side hose pair - BMW sells this pair of hoses as part number 54347119640

Our upgraded hoses are longer lasting and rated at a much higher burst pressure than OEM!

Price
$149.99
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