Please note: Top Hydraulics will be closed Monday, December 25th, and Monday, January 1st in observance of the Christmas and New Year Holidays.
Happy Holidays to you and yours from the team here at Top Hydraulics!
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Left Cylinder Line Fitting
Left Cylinder Line Fitting
BMW
Top Hydraulics rebuilds and upgrades your BMW convertible hydraulic components with superior materials.
Our seals are not sensitive to water and are resistant to most additives in hydraulic fluid. This results in a much longer service life than the standard OEM cylinders for a fraction of the price.
Our Core Exchange option can make this as easy as buying a new cylinder - you only have to ship back your old cylinder(s) 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
BMW Z3 (E36) 1996-2002
- Rebuild & Upgrade Service for your 1996-2002 BMW E36 Z3 Convertible Hydraulic Cylinder. P/N 54 34 8 410 307
- You remove your cylinder you would like to have rebuilt, and send it to us, or order from our inventory with Core Exchange for fastest service.
BMW Z4 (E85) 2002-2008
- 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 (E89) 2009-2016
More- 2009-2016 Z4 | BMW hard top convertible
- 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 1-Series (E88) 2007-2014
- Rebuild & Upgrade Service for your 2007-2014 BMW E88 1-Series Convertible Hydraulic components.
- Our Core Exchange option makes this as easy as buying a new part - you only have to ship back your old parts(s) afterwards for core credit. Top Hydraulics' also rebuilds and upgrades convertible hydraulic pumps, and we also manufacture our own upgraded hydraulic lines.
- You may also choose to remove the parts you would like to have rebuilt, and send them to us.
BMW 2-Series (F23) 2014-2018
- Rebuild & Upgrade Service for your BMW 2-Series (F23) Convertible Hydraulic components.
- Our Core Exchange option makes this as easy as buying a new part - you only have to ship back your old parts(s) afterwards for core credit. Top Hydraulics' also rebuilds and upgrades convertible hydraulic pumps, and we also manufacture our own upgraded hydraulic lines.
- You may also choose to remove the parts you would like to have rebuilt, and send them to us. Once we receive your parts, the turn around time 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 in the US).
BMW 3-Series (E46) 2000-2006
- 2000 - 2006 | BMW E46 chassis (318ci, 320ci, 323ci, 325ci, 330ci, M3)
- Rebuild & upgrade service for all hydraulic cylinders and the hydro unit (aka convertible top hydraulic pump) in your E46, 3xxci Series BMW.
- On the cylinders, Top Hydraulics replaces the decaying seals with a far superior material, making your cylinder better than new.
- The BMW E46 (3xxCI or M3) has six hydraulic cylinders: two main lift cylinders, two bow tension cylinders, and two tonneau cover cylinders. All these cylinders have seals that will eventually fail, unless your car gets wrecked prematurely.
- Please note: leaks from the bow tension cylinders will drip onto the tonneau cover (aka storage compartment cover) and permanently damage the vinyl. It is best to have all six cylinders upgraded at the same time. If you budget does not allow this, please upgrade the cylinders at least in pairs.
- Top Hydraulics also rebuilds the hydro units (aka hydraulic pumps) and control modules (aka hydraulic valve blocks), and Top Hydraulics manufactures replacement hydraulic lines. Please prepay your order and include the receipt with your shipment for fastest turn around time.
- Standard return shipping method in the US is USPS Priority Mail for $10 per order.
- Please see removal instructions for all cylinders and the most frequently failing hydraulic lines in our DIY section
BMW 5-Series (E61) 2004-2010
Rebuild/Upgrade Service for your 5-Series BMW (E61) hydraulic liftgate components. 525xi, 528xi, 530xi, 535xi, 525xd and 530xd
BMW 6-Series (F12) 2011-2018
BMW 6-Series (F12) from 2011-2018. 640i, 650i, M6.
BMW 6-Series (E63/E64) 2003-2010
Rebuild/Upgrade Service for your 2003-2010 6-Series BMW E63/E64 convertible hydraulic components. 645ci, 650i, and M6
BMW 7-Series (E65/E66) 2001-2008
Rebuild/Upgrade Service for your 7-Series BMW E65/E66 hydraulic liftgate components. 745i, 745Li, 750i, 750Li, 760Li
Grid ListThere are 51 products.
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Price listed is for rebuild/upgrade service for an individual hydraulic hinge cylinder.
Expedited Core Exchange Option includes a $250 Refundable Core Charge plus a $75 surcharge for inventory management.
It is highly recommended to upgrade them in pairs. These hydraulic cylinders always fail almost simultaneously.
To order a pair of hinges instead, click here.
Price$275.00Rebuild & upgrade service for your Z4 convertible top pump, also known as Motor assembly or Hydro Unit. Your pump will ship back exceeding all manufacturer's specs. This is a full rebuild where the pump gets torn apart to the component level, all seals get replaced and upgraded, every component checked for tolerance and function and replaced as necessary. The pumps shipping from Top Hydraulics may not look as pretty as brand new ones but we are sure that they are better inside and will outlast new ones.
There is a surcharge for replacing abused or missing pressure relief valves, see details below.BMW part number 54377309634, aka 7220798 or 7309634
Send in your part first.
Return shipping within the US for $20 via FedEx 2-Day Service with signature required.‘Return shipping to Canada is $55 via FedEx International Ground or $100 via FedEx International Priority.
Price$800.00Package deal!
You send in your cylinders first; we will upgrade them to better than new condition. Optional core exchange has an inventory management surcharge, plus a $600 deposit.
Includes two main drive cylinders, two bow tension cylinders, and two tonneau cover cylinders.
Price$1,000.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the roof panel cylinders in pairs. Send in your cylinder(s) first, core exchange is not yet available for E89 cylinders.P/N: 54377223333Price$250.00Rebuild/upgrade service for single main lift cylinder 2000 - 2006| BMW E-46 chassis
Rebuild/upgrade service (using best seals available ) for BMW convertible hydraulic lifting system. It is highly recommended to upgrade the main lift cylinders in pairs. Send in your cylinders or order from our stock with optional Core Exchange.
Price$150.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the roof panel cylinders in pairs. Send in your cylinder(s) first, core exchange is not yet available for E89 cylinders.P/N: 54377223334Price$250.00Rebuild/upgrade service for left bow tension cylinder in 2000 - 2006| BMW E46 convertible chassis
It is highly recommended to upgrade the bow tension cylinders in pairs. You send in your cylinder(s) first.
Price$125.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the main pillar cylinders in pairs. Send in your cylinder(s) first, core exchange is not yet available for E89 cylinders.P/N: 54377223335Price$250.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the tonneau/case cover cylinders in pairs. Send in your cylinders first, or order from our stock with the core exchange option below.
BMW part number 54348243269Price$175.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the main pillar cylinders in pairs. Send in your cylinder(s) first, core exchange is not yet available for E89 cylinders.P/N: 54377223336Price$250.00Rebuild/Upgrade Service for your 1996-2002 BMW E36 Z3 Convertible Hydraulic Cylinder - send in your cylinder first for quick rebuild service.
Core Exchange option includes $200 Refundable Core Charge, and $50 surcharge for inventory management.
P/N: 54 34 8 410 307 aka 54348410307 or 54348407231
Z3 1.8
Z3 1.9 M43
Z3 1.9 M44
Z3 2.0
Z3 2.2i
Z3 2.8
Z3 3.0i
Z3 M3.2 S50
Z3 M3.2 S54Price$150.00Top Hydraulics upgrades the seals in these cylinders with far superior material. It is highly recommended to upgrade the rear module cylinders in pairs. Send in your cylinders first, core exchange is not yet available for E89 cylinders.P/N: 54377223337Price$250.00
