Rebuild/Upgrade Service for Left Tension Rod Cylinder for BMW E88 1-Series.  

Send in your part(s) first, or select "Order now with core exchange" to order from our inventory.   Core exchange orders are subject to a $50 inventory surcharge as well as a $120 refundable core deposit.

Replaced and improved rod seals, piston seals, cap seals, gland seals, wipers, and port seals make these parts better than brand new ones, with an expected service life of 30-50 years under normal circumstances.

P/N: 54347190667

You send in your malfunctioning E46-Series hydro unit, and Top Hydraulics rebuilds it. The rebuild includes electric motor replacement or rewinding if necessary, service and check of all internal pump components, upgrade of internal seals in the pump, and full bench test to assure that factory specs are exceeded. Three years warranty.

p/n 8 234 530 or 54347025595 or HB70346-002

You send us your pump to be rebuilt and upgraded. Includes replacement of electric 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. Ships filled with fluid for plug and play installation.

Expedited core exchange option is available and includes a $30 inventory surcharge + $150 core deposit.

BMW p/n 54348410305

840722402

HB70095-002

You send in your malfunctioning BMW 2-Series (F23) 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 54-34-7-421-753, aka 7310756, aka 541090, aka 54347421753

This is a special Core exchange option only.

We ship you a pair of E46 Bow Tension Cylinders from our inventory, and you send us back your old parts for a refund of your $300 deposit.

NOTE: If you have a 2003 model, we will need to know if your left bow tension cylinder has a detachable (clip-on) aluminum line fitting before you place your order

Rebuild/Upgrade Service for the full set of BMW F23 2-Series.  

Send in your cylinders first, or select "Order now with core exchange" to order a set from our inventory. Core exchange orders are subject to a $200 inventory surcharge as well as a $600 refundable core deposit.

Replaced and improved rod seals, piston seals, cap seals, gland seals, wipers, and port seals make these parts better than brand new ones, with an expected service life of 30-50 years under normal circumstances.

You send in your malfunctioning BMW F12 6-Series hydraulic pump unit, and Top Hydraulics rebuilds it. The rebuild includes electric motor replacement or rewinding if necessary, service of hydraulic and solenoid valves, service of moving parts and replacement as necessary, upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass, and extensive testing to ensure the pump exceeds factory specs. Three years warranty.

Optional core exchange (where we ship a pump from our inventory first) is available, see details below.

p/n: 54347299838

Rebuild/Upgrade Service for Left Soft Top Lid Cylinder for BMW E88 1-Series.  

Send in your part(s) first, or select "Order now with core exchange" to order from our inventory.   Core exchange orders are subject to a $50 inventory surcharge as well as a $120 refundable core deposit.

Replaced and improved rod seals, piston seals, cap seals, gland seals, wipers, and port seals make these parts better than brand new ones, with an expected service life of 30-50 years under normal circumstances.

P/N: 54347190669

Rebuild/Upgrade Service for the full set of BMW E88 1-Series.  

Send in your cylinders first, or select "Order now with core exchange" to order a set from our inventory. Core exchange orders are subject to a $200 inventory surcharge as well as a $600 refundable core deposit.

Replaced and improved rod seals, piston seals, cap seals, gland seals, wipers, and port seals make these parts better than brand new ones, with an expected service life of 30-50 years under normal circumstances.

Expedited Core Exchange Option where Top Hydraulics ships parts from our inventory first is $700 plus a $300 Refundable Core Charge.
These pumps have been rebuilt and upgraded. The electric motor has been replaced or rewound if necessary. A new high-current relay has been installed, and all hydraulic valves serviced.  The internal seals in the pumps have been upgraded to eliminate current or future pressure loss or internal leak. Three years warranty.

 P/N 54-34-7-421-753, aka 7310756, aka 541090, aka 54347421753

Rebuild & 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.

You 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, service of hydraulic and solenoid valves, service of moving parts and replacement as necessary, upgrade of internal seals in the pump to eliminate current or future pressure loss or internal bypass, and extensive testing to ensure the pump exceeds factory specs. Three years warranty.

p/n: 54347154648

New, Extended Hydraulic Line # 23 for 2000-2006 BMW E46 convertibles.

Extended version of the OEM hose, which greatly reduces labor needed to replace and  eliminates the same manufacturing/design error seen with this hose originally in your 3-Series Convertible. Only available from Top Hydraulics.

New, Extended Hydraulic Line # 24 for 2000-2006 BMW E46 convertibles.

Extended version of the OEM hose, which greatly reduces labor needed to replace and  eliminates the same manufacturing/design error seen with this hose originally in your 3-Series Convertible. Only available from Top Hydraulics.

Rebuild/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 S54

New, Extended Hydraulic Line # 31 for 2003-2006 BMW E46 convertibles.

Slightly extended version of the OEM hose, which is not available from BMW. Only available from Top Hydraulics. This line is for the newer version bow tension cylinder on the left side, bottom fitting, where the lines are attached via a screwed on clamp.