Power Steering Reservoir for BMW Z Series E85/6 (2003-2008)

Clear BMW chassis

Please ensure your correct model is selected

BMW's power steering reservoirs are prone to leaking and cracking, due to their plastic construction. Often times, your new power steering reservoir will include a filter as well, which may sharpen the performance of your steering system as well.
Sort By:

Turner Straight Mount Triple Baffled Power Steering Reservoir ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:9609820
Part#: 004898LA01SKT
Ships on Aug 10, 2026
Sale - Save 32% $ 401.69

This product was last offered at the strikethrough price on
05-03-2026

$ 272.99 USD
Free Shipping
Sale - Save 32%
$ 401.69

This product was last offered at the strikethrough price on
05-03-2026

$ 272.99 USD
Free Shipping

Eliminate the grimy, leaky, factory BMW power steering expansion tank with a beautiful billet aluminum reservoir.
Upgraded for thermal capacity, performance and extended rack life!

Our Turner triple baffled reservoir allows you to fix the downfalls of the factory BMW power steering expansion tank without losing that factory feel. The upgraded Turner reservoir has internal baffling to prevent cavitation and air pocket to make sure your rack is getting the supply of power steering. The constant flow of power steering keeps your rack cooled, lubricated and functioning properly. Extend the life of your rack and seals for years to come with increased performance and drivability. Can be used in motorsport, off-roading and daily use applications for a truly unique and universal upgrade.

Eliminates the grimy, leaky, factory BMW power steering expansion tank with a beautiful aluminum component. Increased factory power steering performance in both feel and cooling. Factory-fit with both hoses and bracketry. Additional cooling capacity will increase fluid thermal carrying capacity before overheating. Adapters where necessary to ensure reservoir will work with to-be-designed AN hose kits as well as factory hoses. Add-on, in-line valves to allow for easy flushing of power steering fluid.

Features:

Billet aluminum construction

Eliminates the leaky factory BMW reservoir and replaces it with a billet aluminum component.

Upgraded 0.45L capacity for better cooling and reduced overflow.

Internal baffles to remove bubbles caused by pump cavitation

Compatible with factory hoses and factory bracket.

Removeable Internal mesh filter

Show More Show Less
Genuine BMW Screw On Cap - CHF 11S
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:7886
Part#: 32416851332
In Stock
4% off MSRP $ 22.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 22.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
Free Shipping on orders $49 and up


Genuine BMW Cover - Chf 11.S
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E53 48IS,E36,E39,E46,E53 X5,E63,E82,E83 X3,E85 Z4,E86 Z4,E90,E92,E93

VTT Billet Power Steering Cap - Blue - BMW E30 E36 E46 E9X, N20/52/54...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122277
Part#: VTTPSCAPBLUE1
Ships on Jun 18, 2026
$ 78.99 USD
Free Shipping
$ 78.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap. This cap does away with the weak plastic cap while adding some pop and color to your engine bay. These Power Steering caps retain ALL of the factory provisions including dipstick, and vent hole. Vargas Turbo also designed these caps to complement their N5X Billet Oil caps and N5XBillet Oil filter Caps caps so all 3 will have the same design. The caps are offered in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less

VTT N5X/S55/N2X Triple Billet Cap Kit - Red - BMW N20/52/54/55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122280
Part#: TRIPLECAPRED1
In Stock
$ 209.99 USD
Free Shipping
$ 209.99 USD
Free Shipping
Save 10% by buying all 3 VTT Billet Caps together! VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap, Oil Filter Housing Cap, and Oil Fill Cap. These caps do away with the weak plastic construction while adding some pop and color to your engine bay. These caps retain ALL of the factory provisions to ensure proper fitment and operation. Vargas Turbo designed these caps to complement each other, so all 3 will have the same design and color shades. These caps come in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less

VTT Billet Power Steering Cap - Red - BMW E30 E36 E46 E9X, N20/52/54/...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122275
Part#: VTTPSCAPRED1
Ships on Jun 18, 2026
$ 78.99 USD
Free Shipping
$ 78.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap. This cap does away with the weak plastic cap while adding some pop and color to your engine bay. These Power Steering caps retain ALL of the factory provisions including dipstick, and vent hole. Vargas Turbo also designed these caps to complement their N5X Billet Oil caps and N5XBillet Oil filter Caps caps so all 3 will have the same design. The caps are offered in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less
VTT N5X/S55/N2X Triple Billet Cap Kit - Black - BMW N20/52/54/55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122279
Part#: TRIPLECAPBLK1
Ships on Jun 18, 2026
$ 220.99 USD
Free Shipping
$ 220.99 USD
Free Shipping
Save 10% by buying all 3 VTT Billet Caps together! VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap, Oil Filter Housing Cap, and Oil Fill Cap. These caps do away with the weak plastic construction while adding some pop and color to your engine bay. These caps retain ALL of the factory provisions to ensure proper fitment and operation. Vargas Turbo designed these caps to complement each other, so all 3 will have the same design and color shades. These caps come in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less

VTT N5X/S55/N2X Triple Billet Cap Kit - Clear - BMW N20/52/54/55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122281
Part#: TRIPLECAPCLR1
Ships on Jun 18, 2026
$ 249.99 USD
Free Shipping
$ 249.99 USD
Free Shipping
Save 10% by buying all 3 VTT Billet Caps together! VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap, Oil Filter Housing Cap, and Oil Fill Cap. These caps do away with the weak plastic construction while adding some pop and color to your engine bay. These caps retain ALL of the factory provisions to ensure proper fitment and operation. Vargas Turbo designed these caps to complement each other, so all 3 will have the same design and color shades. These caps come in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less
VTT Billet Power Steering Cap - Black - BMW E30 E36 E46 E9X, N20/52/5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122274
Part#: VTTPSCAPBLK1
Ships on Jun 18, 2026
$ 99.99 USD
Free Shipping
$ 99.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap. This cap does away with the weak plastic cap while adding some pop and color to your engine bay. These Power Steering caps retain ALL of the factory provisions including dipstick, and vent hole. Vargas Turbo also designed these caps to complement their N5X Billet Oil caps and N5XBillet Oil filter Caps caps so all 3 will have the same design. The caps are offered in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less

VTT N5X/S55/N2X Triple Billet Cap Kit - Blue - BMW N20/52/54/55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122282
Part#: TRIPLECAPBLUE1
Ships on Jun 25, 2026
$ 251.99 USD
Free Shipping
$ 251.99 USD
Free Shipping
Save 10% by buying all 3 VTT Billet Caps together! VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap, Oil Filter Housing Cap, and Oil Fill Cap. These caps do away with the weak plastic construction while adding some pop and color to your engine bay. These caps retain ALL of the factory provisions to ensure proper fitment and operation. Vargas Turbo designed these caps to complement each other, so all 3 will have the same design and color shades. These caps come in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less

Power Steering Reservoir Cap Seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:380526
Part#: 32411128333
In Stock
$ 2.03

This product was last offered at the strikethrough price on
04-28-2026

$ 1.88 USD
Free Shipping on orders $49 and up
$ 1.88 USD
Free Shipping on orders $49 and up
Is your fluid reservoir coated in a film of oil?
Power Steering Reservoir
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:372849
Part#: 32411097164
In Stock
$ 18.99 USD
Free Shipping on orders $49 and up
Replaces your cracked and leaking reservoir
VTT Billet Power Steering Cap - Clear - BMW E30 E36 E46 E9X, N20/52/5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:5122276
Part#: VTTPSCAPCLR1
Ships on Jun 18, 2026
$ 99.99 USD
Free Shipping
$ 99.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Power Steering Cap. This cap does away with the weak plastic cap while adding some pop and color to your engine bay. These Power Steering caps retain ALL of the factory provisions including dipstick, and vent hole. Vargas Turbo also designed these caps to complement their N5X Billet Oil caps and N5XBillet Oil filter Caps caps so all 3 will have the same design. The caps are offered in 4 colors – Red, Black, Blue, and Clear anodized.
Show More Show Less


Vargas Billet Power Steering Cap - Black - BMW EXX, F8X
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52164934
Part#: VTT-PS-CAP-BLK-1
Ships on Jun 18, 2026
New Item
$ 79.99 USD
Free Shipping
$ 79.99 USD
Free Shipping
The VTT Billet Power Steering Cap is the definitive upgrade for BMW owners looking to eliminate the weakest link in their engine bay's fluid system.