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Vargas Turbo Technologies BMW Cooling System Parts & Accessories

The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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N54 Billet 90 Degree Coolant Tank Fitting
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T#:12184492
Part#: VTT-COOLANT-90-1
In Stock
$ 35.99 USD
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$ 35.99 USD
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Enhance the flexibility of your BMW's coolant system with the Vargas Turbo Technologies 90-Degree Coolant Tank Fitting. Ideal for applications such as single turbo setups or forward-facing intake manifolds, this fitting provides extra clearance and versatile hose routing options.

Key Benefits:

  • Allows hose to run straight down, increasing clearance
  • Made of durable 6061-T6 aluminum for long-lasting performance
  • Anodized black finish for enhanced durability and corrosion resistance
  • Includes fitting and clamp for easy installation

Upgrade your BMW's coolant system with the Vargas Turbo Technologies 90-Degree Coolant Tank Fitting for improved performance and versatility.

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VTT Billet Coolant Reservoir Cap - Anodized Blue - Most BMWs 2006+ (E...
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T#:7530036
Part#: COOLANTCAPBLUE
In Stock
$ 78.99 USD
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$ 78.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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VTT Compete N54 Coolant Hose Kit - E8X, E9X N54
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T#:590227
Part#: VTT-N54-COOLANT-
In Stock
$ 464.99 USD
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$ 464.99 USD
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A complete upgrade to the weak factory hoses.

VTT Billet Coolant Reservoir Cap - Anodized Red - Most BMWs 2006+ (E/...
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T#:7530034
Part#: COOLANTCAPRED
In Stock
$ 79.99 USD
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$ 79.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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VTT N54 "Mickey Mouse" Cylinder Head Adapter W/ O-ring And ...
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T#:26404815
Part#: VTT-N54-COOLANT9
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$ 31.99 USD
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$ 31.99 USD
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VTT Complete Blue N54 Coolant Hose Kit
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T#:17771579
Part#: VTT-N54-COOLANTB
In Stock
$ 464.99 USD
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Upgrade your BMW N54's cooling system with VTT's Billet/Silicone coolant hose upgrade kit. Designed to address common issues with factory plastic connectors and standard coolant hoses, this kit offers premium enhancements for durability and performance. Crafted with Billet 6061-T6 connectors for corrosion resistance and 6-ply molded silicone hoses in factory shapes, it ensures reliability and longevity for your BMW's cooling system.
  • Upgraded Billet 6061-T6 connectors for enhanced durability
  • Corrosion-resistant black anodized finish
  • 6-ply molded silicone hoses for superior performance
  • Factory-shaped design for easy installation
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VTT Billet Coolant Reservoir Cap - Anodized Clear - Most BMWs 2006+ (...
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T#:7530035
Part#: COOLANTCAPRAW
Ships in 3 Business Days
$ 78.99 USD
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$ 78.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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VTT B58 Billet/Silicone Coolant Hose Kit - Blue - B58 Gen1
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T#:27805179
Part#: B58-BSCHK-BLU
Ships in 9 Business Days
$ 556.99 USD
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$ 556.99 USD
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Upgrade your cooling system with this kit, designed to address common issues with factory plastic cooling hose connectors and hoses. This kit features high-quality upgrades, including 6061-T6 billet aluminum connectors and 6-ply silicone hoses, ensuring durability and reliability.

Included in this comprehensive kit are:

Upper Radiator Hose (OEM Part 17128616548) Lower Radiator Hose (OEM Part 17128633482) Expansion Tank Hose (OEM Part 17128620944) Upper Vent Hose (OEM Part 17128616555)

Say goodbye to brittle plastic and dried-out hoses, and enjoy a more robust and long-lasting cooling system for your vehicle.

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VTT Billet/Silicone Cylinder Head Cooling Hose - B58TU
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T#:29334026
Part#: VTT-B58TU-UCH
Ships in 10 Business Days
Starting at $ 209.99 USD
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Starting at $ 209.99 USD
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Positioned directly in the charge pipe's path, the stock B58TU upper cylinder head cooling hose, primarily made of plastic, is prone to damage. A dislodged charge pipe can easily take out this cooling hose, leading to severe engine damage through rapid coolant loss and overheating.

To address this vulnerability, VTT has engineered a robust solution. By replacing the OEM rubber hose with a durable 7-ply silicone variant, they offer superior resilience and longevity. Furthermore, they've upgraded the factory plastic flanges to 6061-T6 billet aluminum with black anodizing, enhancing corrosion resistance.

This upgraded hose is the ultimate solution, providing protection against dislodged charge pipes and the heat generated from spirited driving or track use.

Key Features:

Direct factory replacement for easy installation 6061-T6 billet aluminum with black anodizing for improved corrosion resistance Durable 7-ply silicone available in three colors Upgrade your BMW B58TU engine with this enhanced cooling hose from Vargas Turbo Technologies for superior performance and reliability.

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VTT Plug And Play Billet S58 Throttle Body Coolant Delete Kit ...
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T#:26971821
Part#: VTT-S58-TB-COOLA
Ships in 10 Business Days
$ 114.99 USD
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$ 114.99 USD
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Heat is the enemy of power, and the last thing you want is hot coolant heating your charge air even further right before it enters the charge cooler, but this is what BMW has done on the S58. This is done for emissions and quick warm-up purposes. However, If you are looking to make power on the S58, and are upgrading your charge cooler, or adding PI. While you are there, it takes 30 seconds to remove the coolant lines from the TB connections and replace them with our billet coolant delete kit. This completely removes the coolant from the Throttle body and provides a bypass for the coolant. Simply remove the two lines going to the throttle body, and run our hose in their place. You leave the coolant fittings on the TB open and avoid any unwanted heat being introduced into your charge tract. In our opinion a must for full effort builds. We take the work out of it for you. Kit included: One Plug and Play TB Coolant Delete Hose Kit Features: Billet 6061 Anodized coolant fittings for long leak-free life Reinforced 7-ply silicone hose for strength and longevity Vibration-resistant crimp clamps 100% plug and play, NO cutting or removing factory clamps or hoses. Fully reversible
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VTT Billet / Silicone Full Coolant Hose Kit - Red - BMW E82/E88 E9X N...
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T#:22987117
Part#: VTT-N54-COOLANTR
In Stock
$ 461.99 USD
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VTT is proud to announce our N54 Billet/Silicone coolant hose upgrade kit! The factory plastic coolant connectors are prone to breaking over time, and the hoses are just your standard run of the mill coolant hose. We wanted to provide an upgrade to both areas. What we came up with is Billet 6061-T6 connectors anodized black for corrosion resistance, and 6 ply silicone molded silicone hoses in the factory shapes. Full hose kit includes: Upper Radiator hose Lower Radiator hose Cylinder head outlet hose (Mickey Mouse hose, this hose is notorious for breaking when removed) Upper vent hose (this hose is also notorious for breaking as stock the center is plastic that crumbles when moved) Water pump inlet hose (Horse Shoe hose)
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VTT B58 Billet/Silicone Coolant Hose Kit - Black - B58 Gen1
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T#:27805174
Part#: B58-BSCHK-BLK
Ships in 10 Business Days
$ 556.99 USD
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$ 556.99 USD
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Upgrade your cooling system with this kit, designed to address common issues with factory plastic cooling hose connectors and hoses. This kit features high-quality upgrades, including 6061-T6 billet aluminum connectors and 6-ply silicone hoses, ensuring durability and reliability.

Included in this comprehensive kit are:

Upper Radiator Hose (OEM Part 17128616548) Lower Radiator Hose (OEM Part 17128633482) Expansion Tank Hose (OEM Part 17128620944) Upper Vent Hose (OEM Part 17128616555)

Say goodbye to brittle plastic and dried-out hoses, and enjoy a more robust and long-lasting cooling system for your vehicle.

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Vargas Billet Water Neck - B58 Mk5 Supra/G29 Z4
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T#:7292067
Part#: VTT-A90G29-WN
Ships in 10 Business Days
$ 147.99 USD
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$ 147.99 USD
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The Factory B58 TU water neck is plastic and is right in the path of your charge pipe if you lose a connection and it blows off. If this does happen to you it can break the plastic neck emptying your coolant in seconds causing you in the best-case scenario to be stranded, and in the worst-case scenario expensive engine damage. Add some cheap insurance with Vargas' Billet Water neck. Product Details: Plug and play direct factory replacement 6061-T6 Billet aluminum with black anodizing for a corrosion-free life Cheap insurance against a blown charge pipe which could turn into a blown motor
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VTT N54 Both Raditors Hoses Only
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T#:590230
Part#: VTT-N54-COOLANT4
Ships in 10 Business Days
$ 439.99 USD
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$ 439.99 USD
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VTT Billet Coolant Reservoir Cap - Anodized Black - Most BMWs 2006+ (...
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T#:7530033
Part#: COOLANTCAPBLK
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$ 79.99 USD
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$ 79.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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Vargas Plug & Play Coolant Pressure Sensor Adaptor - BMW G8X S58 ...
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T#:52164901
Part#: S58CLPRESAD
Ships in 10 Business Days
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$ 39.99 USD
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$ 39.99 USD
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Protect your high-horsepower S58 build with the VTT S58 Coolant Pressure Sensor Adaptor.

Vargas Billet Cylinder Head Outlet Adapter - Black - BMW N54/N55 ...
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T#:51918879
Part#: VTT-COOLADBLK
Ships in 10 Business Days
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$ 31.99 USD
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$ 31.99 USD
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The Vargas Billet Cylinder Head Outlet Adapter is the definitive solution for one of the most common failure points on the BMW N54 and N55 engines.
Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engine...
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T#:52094575
Part#: VTT-FAB-047
Ships in 10 Business Days
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$ 21.99 USD
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$ 21.99 USD
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When building a custom turbo kit, the "VTT-FAB-047" Block-Off Flange is an essential component for managing your BMW's thermal systems.

Vargas Upgraded Silicone Coolant Hose Kit - Black - BMW N54
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T#:52129740
Part#: N54COOLFBO
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$ 354.99 USD
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$ 354.99 USD
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The VTT N54 Full Coolant Hose Kit replaces your entire aging coolant hose network with high-performance silicone alternatives.
Vargas Cylinder Head Outlet Coolant Adapter - BMW N54
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T#:51813338
Part#: VTT-N54-CAO
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$ 31.99 USD
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$ 31.99 USD
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Engineered for high-performance BMW builds, the Vargas Coolant Adapter replaces the weak factory plastic neck located at the front of the cylinder head.

Vargas Lower Radiator Hose - Black - BMW E9X M3
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T#:52164955
Part#: S65COLLOWBLK
Ships in 10 Business Days
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$ 179.99 USD
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$ 179.99 USD
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Designed for the S65 V8 engine, the VTT Lower Radiator Hose upgrade addresses the common maintenance headaches associated with aging BMW cooling systems.

Vargas Coolant Hose Kit - Red - BMW F2X, F3X
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T#:51848505
Part#: VTT-B58-CFHKRED
Ships in 10 Business Days
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$ 559.99 USD
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$ 559.99 USD
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Protect your investment with the VTT Full Coolant Hose Upgrade Kit, specifically engineered for the BMW B58 engine.
Vargas Water Pump Vent Hose - Black - BMW E9X M3
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T#:52164956
Part#: S65COPUBLK
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$ 104.99 USD
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$ 104.99 USD
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Prevent a roadside breakdown with the VTT Billet/Silicone S65 Water Pump Vent Hose, the ultimate maintenance upgrade for your BMW E9X M3.
Vargas Upgraded Silicone Coolant Hose Kit - Black - BMW G8X ...
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T#:52657001
Part#: G8XCFHKBLK
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$ 899.99 USD
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$ 899.99 USD
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Elevate the visual appeal and long-term durability of your S58 engine bay with the VTT Silicone Full Coolant Hose Kit.


Vargas Upgraded Silicone Upper Radiator Hose - Black - BMW N54 E8X/E9...
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T#:52164878
Part#: N54CLRADUBLKO
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$ 139.99 USD
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$ 139.99 USD
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The Vargas Turbo Technologies (VTT) N54 Upper Radiator Hose is a heavy-duty cooling upgrade designed specifically for high-performance BMW N54 engines.
Vargas Upgraded Silicone Cylinder Head Outlet Hose - Black - BMW N54 ...
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T#:52129741
Part#: N54COOLHBO
Ships in 10 Business Days
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$ 74.99 USD
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$ 74.99 USD
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The VTT N54 Billet/Silicone Cylinder Head Outlet Hose, commonly referred to as the "Mickey Mouse" hose, is a vital upgrade for the BMW N54 engine.
Vargas Upgraded Silicone Lower Radiator Coolant Hose - Black - BMW N5...
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T#:52129742
Part#: VTTN54CLOWBLKO
Ships in 10 Business Days
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$ 127.99 USD
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$ 127.99 USD
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The VTT Upgraded Silicone Lower Radiator Hose for the N54 engine is the perfect preventive maintenance item for any BMW owner.

Vargas Upgraded Silicone Upper Vent Hose - Black - BMW N54 E8X/E9X ...
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T#:52164880
Part#: N54CLVTBLKO
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$ 54.99 USD
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$ 54.99 USD
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The VTT N54 Upper Vent Hose is a critical upgrade for any BMW enthusiast looking to eliminate the weakest links in their cooling system.

Vargas Expansion Tank Coolant Hose - Blue - BMW B58 F2X F3X
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T#:51848504
Part#: VTT-B58-CEBLUE
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$ 59.99 USD
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$ 59.99 USD
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Elevate your BMW's engine bay while safeguarding your cooling system with the VTT B58 Expansion Tank Hose in Blue.
Vargas Billet Cylinder Head Outlet Adapter - Blue - BMW N54/N55 ...
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T#:51918881
Part#: VTT-COOLADBLUE
Ships in 10 Business Days
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$ 31.99 USD
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$ 31.99 USD
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The Vargas Billet Cylinder Head Outlet Adapter is the definitive solution for one of the most common failure points in BMW N54 and N55 engines.

Vargas Rear Coolant Plug - BMW N54
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T#:51778143
Part#: VTT-N54-RCP
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$ 41.99 USD
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$ 41.99 USD
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Engineered for durability and exact fitment, the VTT N54 Rear Coolant Plug is CNC-machined from high-quality 6061-T6 aluminum.
Vargas Plug & Play Coolant Pressure Sensor Kit - BMW G8X M2, M3, ...
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T#:52164906
Part#: S58CLPRESCK
Ships in 10 Business Days
New Item
$ 139.99 USD
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$ 139.99 USD
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Protect your investment with the Vargas Turbo Technologies S58 Coolant Pressure Sensor Kit.

Vargas Upgraded Silicone Radiator Hose Kit - Black - BMW N54 ...
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T#:52129743
Part#: N54COOLRADBLKO
Ships in 10 Business Days
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$ 249.99 USD
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$ 249.99 USD
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The VTT Billet/Silicone Radiator Hose Kit is a heavy-duty cooling upgrade designed specifically for the BMW N54 engine.

Vargas Billet Coolant Port Block-Off Flange - BMW S58 Engine ...
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T#:52094570
Part#: VTT-FAB-041-P
Ships in 10 Business Days
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$ 39.99 USD
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$ 39.99 USD
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The VTT-FAB-041-P is a precision-engineered solution for enthusiasts and builders fabricating custom turbo kits for S58 engines.
Vargas Upgraded Silicone Cylinder Head Outlet Adapter - Black - BMW N...
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T#:52129739
Part#: VTTN54CLADOEM
Ships in 10 Business Days
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$ 19.99 USD
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$ 19.99 USD
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Address the weakest link in your N54 cooling system with the Vargas Turbo Technologies Billet Cylinder Head Outlet Adapter.
Vargas Billet HMM Delete Kit - BMW B58TU
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T#:51672725
Part#: VTT-B58-COOLING-
Ships in 10 Business Days
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$ 199.99 USD
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$ 199.99 USD
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The VTT Billet B58 HMM Delete is for enthusiasts who want to remove the bulky, plastic factory coolant unit in favor of a robust, motorsport-oriented setup.


Vargas Coolant Hose Upgrade Kit - Black - BMW E9X M3
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T#:52164951
Part#: S65COOLFULLBLK
Ships in 10 Business Days
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$ 524.99 USD
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$ 524.99 USD
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Upgrade your BMW E9X M3’s engine bay and cooling reliability simultaneously with the Vargas Turbo Technologies S65 Billet/Silicone Full Hose Kit.
Vargas Lower Radiator Hose - Black - BMW B58 Gen 1
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T#:51848508
Part#: VTT-B58-LRHBLK
Ships in 10 Business Days
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$ 222.99 USD
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$ 222.99 USD
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The VTT Billet/Silicone Lower Radiator Hose is a professional-grade replacement for the factory B58 Gen 1 lower radiator line.
Vargas Billet Coolant Block-Off - BMW B58 Engine
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T#:52094566
Part#: VTTFAB040BLKB58
Ships in 10 Business Days
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$ 31.99 USD
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$ 31.99 USD
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Engineered for precision and durability, the VTT-FAB-040 B58 Block-Off Flange is the definitive solution for managing oil and coolant paths during fabrication.

Vargas Heater Return Pipe Hose Upgrade - Black - BMW E9X M3
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T#:52164954
Part#: S65COOLHEATBLK
Ships in 10 Business Days
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$ 127.99 USD
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$ 127.99 USD
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Upgrade your BMW M3’s engine bay while simultaneously reinforcing your cooling system with the VTT Billet/Silicone Heater Return Pipe Hose.

Vargas Upper Vent Hose - Black - BMW E9X M3
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T#:52164960
Part#: S65COUVHBLK
Ships in 10 Business Days
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$ 74.99 USD
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$ 74.99 USD
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This VTT kit provides a permanent fix by utilizing heavy-duty silicone and anodized billet aluminum ends.
Vargas Radiator Hose Kit - Red - BMW B58 Gen 1
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T#:51848512
Part#: VTT-B58-RHKRED
Ships in 10 Business Days
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$ 389.99 USD
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$ 389.99 USD
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The VTT Billet/Silicone Radiator Hose Kit in Red is the ultimate "set it and forget it" upgrade for the F2X and F3X 1, 2, 3, and 4 Series.

Vargas Radiator Hose Kit - Black - BMW E9X M3
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T#:52164958
Part#: S65RHKBLK
Ships in 10 Business Days
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$ 314.99 USD
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$ 314.99 USD
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The VTT S65 Radiator Hose Kit is the premier cooling system upgrade for the BMW E9X M3.
Vargas Remote Oil Cooler Adapter - BMW B58, Toyota A90/A91
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T#:51778122
Part#: VTT-B58-OIL-COOL
Ships in 10 Business Days
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$ 157.99 USD
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$ 157.99 USD
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The VTT Billet B58 Remote Oil Cooler Adapter is an ideal upgrade for B58-powered platforms.

Vargas Billet Coolant Block-Off - BMW S58 Engine
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Vargas Turbo Technologies - Corporate Logo
T#:52094567
Part#: VTTFAB040BLKS58
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$ 31.99 USD
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$ 31.99 USD
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The Vargas Turbo Technologies S58 Block-Off (VTT-FAB-040) removes the guesswork from sealing the engine block during turbocharger upgrades.

Vargas Upper Radiator Hose - Black - BMW E9X M3
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Vargas Turbo Technologies - Corporate Logo
T#:52164959
Part#: S65COUPRABLK
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$ 179.99 USD
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$ 179.99 USD
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The VTT Billet/Silicone Upper Radiator Hose is the only solution on the market that addresses both the hose material and the connector integrity simultaneously.
Vargas Radiator Hose Kit - Blue - BMW B58 Gen 1
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Vargas Turbo Technologies - Corporate Logo
T#:51848510
Part#: VTT-B58-RHKBLUE
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$ 389.99 USD
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$ 389.99 USD
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Engineered for the BMW enthusiast who demands form and function, the VTT Radiator Hose Kit is the ultimate preventative maintenance upgrade.
Vargas Rear Drain Block Off - BMW N54
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Vargas Turbo Technologies - Corporate Logo
T#:51778139
Part#: VTT-N54-RDBO
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$ 27.99 USD
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$ 27.99 USD
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Simplify your N54 engine build with the VTT Rear Drain Block Off.