Vargas Turbo Technologies BMW Cooling System Parts & Accessories for BMW 4 Series F32 (2014+)

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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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VTT Billet Coolant Reservoir Cap - Anodized Blue - Most BMWs 2006+ (E/F/G-Chassis)
VTT Billet Coolant Reservoir Cap - Anodized Blue - Most BMWs 2006+ (E...
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T#:7530036
Part#: COOLANTCAPBLUE
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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 Billet Coolant Reservoir Cap - Anodized Red - Most BMWs 2006+ (E/F/G-Chassis)
VTT Billet Coolant Reservoir Cap - Anodized Red - Most BMWs 2006+ (E/...
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T#:7530034
Part#: COOLANTCAPRED
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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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VTT Billet Coolant Reservoir Cap - Anodized Clear - Most BMWs 2006+ (E/F/G-Chassis)
VTT Billet Coolant Reservoir Cap - Anodized Clear - Most BMWs 2006+ (...
This coolant cap retains ALL of the factory provisions by simply allowing you to snap t...
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T#:7530035
Part#: COOLANTCAPRAW
Ships in 4 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
VTT B58 Billet/Silicone Coolant Hose Kit - Blue - B58 Gen1
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T#:27805179
Part#: B58-BSCHK-BLU
Ships on Jun 18, 2026
$ 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 B58 Billet/Silicone Coolant Hose Kit - Black - B58 Gen1
VTT B58 Billet/Silicone Coolant Hose Kit - Black - B58 Gen1
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T#:27805174
Part#: B58-BSCHK-BLK
Ships on Jun 18, 2026
$ 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 Coolant Reservoir Cap - Anodized Black - Most BMWs 2006+ (E/F/G-Chassis)
VTT Billet Coolant Reservoir Cap - Anodized Black - Most BMWs 2006+ (...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:7530033
Part#: COOLANTCAPBLK
Back Ordered
$ 79.99 USD
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$ 79.99 USD
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Add to Wish List
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 Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engines
Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engine...
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T#:52094575
Part#: VTT-FAB-047
Ships on Jun 18, 2026
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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 Radiator Hose Kit - Red - BMW B58 Gen 1
Vargas Radiator Hose Kit - Red - BMW B58 Gen 1
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T#:51848512
Part#: VTT-B58-RHKRED
Ships on Jun 18, 2026
New Item
$ 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 Billet Coolant Block-Off - BMW B58 Engine
Vargas Billet Coolant Block-Off - BMW B58 Engine
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T#:52094566
Part#: VTTFAB040BLKB58
Ships on Jun 18, 2026
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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 Expansion Tank Coolant Hose - Blue - BMW B58 F2X F3X
Vargas Expansion Tank Coolant Hose - Blue - BMW B58 F2X F3X
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T#:51848504
Part#: VTT-B58-CEBLUE
Ships on Jun 18, 2026
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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 Remote Oil Cooler Adapter - BMW B58, Toyota A90/A91
Vargas Remote Oil Cooler Adapter - BMW B58, Toyota A90/A91
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T#:51778122
Part#: VTT-B58-OIL-COOL
Ships on Jun 18, 2026
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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 Lower Radiator Hose - Black - BMW B58 Gen 1
Vargas Lower Radiator Hose - Black - BMW B58 Gen 1
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T#:51848508
Part#: VTT-B58-LRHBLK
Ships on Jun 18, 2026
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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 Coolant Hose Kit - Red - BMW F2X, F3X
Vargas Coolant Hose Kit - Red - BMW F2X, F3X
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T#:51848505
Part#: VTT-B58-CFHKRED
Ships on Jun 18, 2026
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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 Billet HMM Delete Kit - BMW B58TU
Vargas Billet HMM Delete Kit - BMW B58TU
Fits all B58 TU / Gen 2 B58 engines
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T#:51672725
Part#: VTT-B58-COOLING-
Ships on Jun 18, 2026
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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 Radiator Hose Kit - Blue - BMW B58 Gen 1
Vargas Radiator Hose Kit - Blue - BMW B58 Gen 1
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T#:51848510
Part#: VTT-B58-RHKBLUE
Back Ordered
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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.

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