Power Steering Reservoir for BMW E93 M3 S65 4.0L

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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.
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Triple Baffled Power Steering Reservoir - Angled Mount
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:9609819
Part#: 004898LA01KT
In Stock
Sale - Save 25% $ 397.99

This product was last offered at the strikethrough price on
06-14-2026

$ 298.49 USD
Free Shipping
Sale - Save 25%
$ 397.99

This product was last offered at the strikethrough price on
06-14-2026

$ 298.49 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

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AAF Vented Power Steering Cap Kit - Silver Reservoir
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Advanced Auto Fabrication - Corporate Logo
T#:7624658
Part#: 116253
Ships in 1 Business Day
$ 154.00 USD
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$ 154.00 USD
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Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. Introducing the AAF billet power steering cap kit. This kit comes with everything you need to capture any excess fluid from your power steering system. It features a CNC billet 6061 aluminum cap, machined and built in-house at AAF. This provides a permanent solution that does not require tying anything over your reservoir for race day! This one-of-a-kind cap features a fitting at the top that allows connection to a small billet catch can for clean and safe capture of excess fluid. **Note: This kit was designed to work with solid race mounts. Clearance has not been confirmed with OEM mounts.
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Vargas Turbo Technologies Billet Aluminum Power Steering Reservoir - ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:29466758
Part#: VTTBLT-PSRES-CLR
Ships in 5 Business Days
$ 314.99 USD
Free Shipping
$ 314.99 USD
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Features & Benefits:

Fully serviceable stainless steel filter to keep your fluid clean, and also help reduce splashing Rare earth magnet to grab ferrous metal, and trap it inside the filter area until you can clean it Fulled threaded, O-Ring sealed cap to stop weeping, includes a vent hole Full Billet 6061-T6 Construction with Viton O-Ring Seals, and ORB fittings throughout Extra Fluid capacity to allow expansion (we suggest filling to where fluid is about 1/4 of the way into the main chamber) The upper chamber is fully baffled to keep the fluid foaming and splash to a minimum

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Vargas Billet Power Steering Reservoir - Red - BMW N54, N55, S65 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51883684
Part#: VTT-BPSRES-RED
Ships in 10 Business Days
New Item
$ 314.99 USD
Free Shipping
$ 314.99 USD
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The Vargas Billet BMW Power Steering Reservoir is the ultimate solution for the common, messy failures of factory plastic reservoirs.

Vargas Billet Power Steering Reservoir - Blue - BMW N54, N55, S65 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51883679
Part#: VTT-BPSRES-BLUE
Ships in 10 Business Days
New Item
$ 314.99 USD
Free Shipping
$ 314.99 USD
Free Shipping
The VTT Billet Power Steering Reservoir is the ultimate solution for enthusiasts tired of the leaking, weeping, and "sweatband fixes" common with factory plastic units.

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