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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)
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. Once we receive your cylinder(s), 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 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 3-Series '00-'06 (E46)
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: https://www.tophydraulics.com/content/7-diy-instructions.
BMW 1-Series (E88)
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. 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 7-Series (E65/E66)
Rebuild/Upgrade Service for your 7-Series BMW E65/E66 hydraulic liftgate components. 745i, 745Li, 750i, 750Li, 760Li
BMW 5-Series (E61)
Rebuild/Upgrade Service for your 5-Series BMW (E61) hydraulic liftgate components. 525xi, 528xi, 530xi, 535xi, 525xd and 530xd
BMW 6-Series (E63/E64)
Rebuild/Upgrade Service for your 2003-2010 6-Series BMW E63/E64 convertible hydraulic components. 645ci, 650i, and M6
BMW 3-Series '07+ (E93)
Rebuild & Upgrade of your 3-Series BMW (E93) convertible hydraulic components, model year '07+. 320i, 320d, 325i, 325d, 328i, 330i, 330d, 335i, M3
BMW 2-Series (F22)
Rebuild & Upgrade Service for your BMW 2-Series (F22) 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 Z4 (E89) 2009-2016
More2009-2016 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 4-Series (F33)
Rebuild & Upgrade Service for your 2014-present BMW F33 4-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. 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 6-Series (F12)
BMW 6-Series (F12) from 2011-2018. 640i, 650i, M6.
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You send in your malfunctioning E88 1-Series hydro unit, and Top Hydraulics rebuilds it. The rebuild includes electric motor replacement or rewinding if necessary, two new high-current relays, service of hydraulic valves and solenoids, and upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass. Three years warranty.
p/n 54-34-7171303 or 54347190715
Price$475.00Price shown includes $400 refundable core deposit. This is a special core exchange option only: We ship the hydraulic pump from our stock, filled with fluid, for simple swap into your vehicle. Send us back your malfunctioning pump for refund of your $400 core deposit*.
BMW part number 54377309634
Price$1,100.00Rebuild/Upgrade service for your 2002-2009 BMW 7-Series Hydraulic Trunk Lid Pump.
745i, 745Li, 750Li, 760Li
Pump only, cylinder rebuild is separate
Price$250.00Rebuild & Upgrade service for your BMW 5-Series (E61) Hydraulic Liftgate Pump. p/n 51247163661 (p/n printed on the pump is 7111867 and HB70401-002 or HB70401-001)
525xi, 528xi, 530xi, 535xi, 525xd and 530xd
Select "send in your parts first" for the $400 rebuild, or select "order now with core exchange" for a pump shipping from Top Hydraulics' inventory first.
Price$400.00You send in your malfunctioning E63/E64 6-Series hydraulic pump unit, and Top Hydraulics rebuilds it. The rebuild includes electric motor replacement or rewinding if necessary, a new high-current relay, service of hydraulic valves, and upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass. Three years warranty.
p/n: 54347154648
Price$500.00Special option: Core exchange. This means that you get a rebuilt & upgraded pump from Top Hydraulics' inventory first, then you ship back your original pump for credit of your $150 core refund. Top Hydraulics ships a pump as pictured: no mounting frame and no wiring harness, in order to keep the shipping cost low. You get a pump that has been rebuilt to outlast and outperform brand new ones.
Price$550.00You send in your malfunctioning F33 4-Series hydro unit, and Top Hydraulics rebuilds it.
-OR-
Order from our inventory with core exchange (includes $75 inventory surcharge and $300 refundable deposit)
P/N: 54377344440
Includes electric motor replacement or rewinding if necessary, two new high-current relays, service of hydraulic valves and solenoids, and upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass. Three years warranty!
Price$475.00Send us your top system for rebuild service
-OR-
Order a rebuilt system from our inventory with core exchange.
(Core exchange option is available and includes a $50 inventory surcharge + $200 core deposit)
Includes:
-Rebuilt & upgraded cylinder
-New, upgraded hydraulic lines
-Replacement of electric pump motor if needed
-Overhaul of valves and internal parts of the pump assembly to exceed manufacturer's specs
-A full bench test for flow, pressure, and thermal behavior.
System ships filled and vented for easy installation
Price$495.00Special option: Core exchange. This means that you get a rebuilt & upgraded pump from Top Hydraulics' inventory first, then you ship back your original pump for credit of your $250 core refund. You get a pump that has been rebuilt to outlast and outperform brand new ones. Model years '07+.
P/N 54377128779
Price$800.00You send in your malfunctioning BMW 2-Series (F22) hydro unit, and Top Hydraulics rebuilds it. The rebuild includes electric motor replacement or rewinding if necessary, a new high-current relay, service of hydraulic valves, and upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass. Three years warranty.
P/N 7310756
Price$400.00Rebuild & 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.
BMW part number 54377309634
Send in your part first. We offer core exchange in a separate listing.
Price$600.00Rebuild/Upgrade service for your 2002-2009 BMW 7-Series Hydraulic Trunk Lid Cylinder.
Send us your part first and we will rebuild and upgrade it to better-than-new condition.
3-year warranty!
Cylinder only - pump would be separate.
Price$180.00
