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VTT Universal Turbo Fittings – Oil & Coolant Solutions for BMW Turbo Builds!
Looking to fabricate your own turbo kit for BMW platforms? Need an easy solution to block off water lines or create custom feed and drain fittings? Look no further! VTT offers a wide range of high-quality oil and coolant fittings to simplify your build. Our fittings are designed for most late-model BMW platforms, providing a plug-and-play solution for custom turbo setups. 📌 Available Fitting Options: 🔹 Oil Feed – -4 AN Male 🔹 Oil Drain – -10 AN Male 🔹 Coolant Fittings – Barbed Male or Block-Off Options -
VTT CNC Billet check valve that can be used for a variety of uses including a vacuum/boost check valve when removing the stock PCV system, and still wanting to run vacuum to the crankcase. Rated at over 100 psi, with a cracking psi of .25psi.
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Are you building a single kit for the N54, N55, or S55 platform? The stock studs are usually a little bit short for most single-head flanges, and finding M7 studs is not easy. So we made our own longer studs to combat the issue. Made from 10.9 grade steel, and coated in black oxide, these are the perfect solution to the short stud problem. Sold individually so order the number you need. Stud details are as follows
- Overall length 47mm (stock 39mm)
- 3mm shoulder
- 6mm head which is 5mm hex
- 14mm short end
- 24mm long end (stock 15mm)
Dont forget our M7 copper lock nuts as well to complete the job - https://vargasturbo.com/product/vtt-fab-m7-copper-locking-exhaust-nuts/
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Are you building a single kit for the N54, N55, or S55 platform? M7 Locking exhaust nuts is not easy. So we made our own to combat the issue. These are the perfect solution to the problem of hard-to-find M7 lock nuts. Sold individually so order the number you need.
Note: This is nuts ONLY Stud not included, by our extended M7 studs here - https://vargasturbo.com/product/vtt-fab-extended-m7-n54-n55-s55-b58-2-port-head-studs/
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NGK 94201 Spark Plug Set — compatible with all S58 / B58 / B48 applications, and also ideal for N54 / N55 platforms running the B58 coil upgrade.
We recommend these plugs for vehicles running 100% E85, high boost, or upgraded ignition setups. They are an excellent choice for high-performance BMW applications including N54, N55, and S55 (with B58 coils), and they also serve as a great maintenance replacement for any S58/B58/B48-powered vehicle — at a significantly better price than most options on the market.
Plugs are sold as a set of 6.
Pre-gapping is available for an additional charge -
NGK 95706 Spark plug set required for running 100% e85, and high boost on many BMW applications, including N54, N55, S55, etc. Plugs can be bought as a set of 6. You can add pre-gapping for an additional charge
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Everything needed to a successful install without having to make a trip to the dealer.
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Looking to protect your single turbo investment, dont have a ton of room, and need a low profile filter that can flow what you need? VTT Has you covered with our Low Profile Single turbo Air Filters. These filters are custom-made for VTT. They are made with a heat-resistant silicone base, and a high-flowing cotton weave element with a pre-oiled design to catch contaminates but allow free flow. We currently offer them in Black, and 3 flange sizes. 3", 4" and 5" flange. With two filter heights. Tested at over 1200WHP with no loss of power observed. Filter Options - Offered in White, and Black with the following dimensions Short - 3.75" Tall, 7.5" OD Large end, 5" Small end 3", 4", or 5" Flange Tall - 4.5" Tall, 7.5" OD Large end, 5" Small end 3", 4", or 5" Flange
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Building a kit using Mac solenoids to control boost? Need an easy way to mount it? VTT-FAB has you covered with our billet Mac Solenoid brackets. Machined from 6061 billet and anodized in 3 colors, these are the perfect way to mount your Mac valve and look good while doing it. Each kit includes:
- One Mac Solenoid bracket (3-Port or 4-Port)
- 2 Allen screws to hold the valve to the bracket
- M6 Mounting Bolt
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Looking to remove your BOV either for leak testing, or dont want to run one, and your charge pipe or housing has a flange on it. You can use this billet plate to block off the BOV flange. Uses the O-ring from the BOV to seal, and removes the BOV. Fitment: Tial BOV Turbosmart BOV with female flange like Tial
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Need a Tee fitting for plumbing Vacuum, or Boost lines, Don't want to use cheap plastic ones that can get soft when hard, and brittle after they heat cycle? We didn't either, which is why we machined these high-quality billet tees to solve this issue. Machine from 6061-T6 aluminum, and anodized in black for a long-lasting corrosion-free finish, these tees look great, and will you never have to worry about one failing. We offer them in two sizes, each size has 12mm legs and 3 barbs:
- 7.60mm / -4 Push Lock for people looking to use -4 push lock hose or -4 AN hose. This is a perfect fit for those.
- 1/4" For people looking to use 1/4" vacuum tube
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VTT is proud to announce our F8X Series S55 engine catch can set up. This kit uses our already extremely popular modular catch can, and couples it with a custom CNC 6061 bracket, VTT CNC banjo fittings, VTT 5 ply silicone hose, and Push lock fittings. Installation is simple, takes about 30 minutes to 2 hours depending on your skill level, and requires removing one factory hose to install the VTT hoses. Giving an OEM fit and finish when installed. Our kit stands out from others on the market by using high-quality AN fittings, and VTT Banjo adapters. This is the ONLY catch can kit that is plug, and play with our CNC Billet Valve cover
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VTT B58/S58 Head Port Block-Off / Built Check Valve Kit
The VTT B58/S58 Head Port Block-Off / Check Valve Kit is designed to either seal off or convert the factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases — but in the process, can allow oil to enter the intake manifold, leading to valve carbon buildup and other performance issues over time.
This kit provides two configuration options:
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Block-Off Version – Completely seals the factory head ports to prevent oil intrusion and unwanted vacuum leaks.
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Billet Check Valve Version – Converts the head ports into a robust internal PCV system using precision-engineered check valves. These one-way valves allow vacuum to function as intended while blocking boost pressure from entering the crankcase or charge tract.
By bypassing the factory PCV valve in the valve cover, the VTT kit replaces it with an improved three-valve internal system integrated directly into the cylinder head. This design improves reliability, simplifies plumbing, and ensures consistent crankcase pressure management — critical for both stock and high-performance B58/S58 applications. This kit does NOT require any tapping, meaning no metal to get into the engine etc. You simply tap the plugs or check valves into place.
Key Features
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Eliminates oil draw-through into the intake manifold
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Prevents carbon buildup on intake valves
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Converts to an internal, head-integrated PCV system
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Utilizes precision-machined check valves for boost sealing
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Fully reversible — Block-offs or valves can be removed if needed
- No tapping is required. Easy install, by tapping the blocks or valve into place.
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Looking to up your boost limit on just about any BMW vehicle that runs a 3 or 4-wire BMW map sensor including but not limited to S58, B58, N54, N55, S55, S63, B48, B47, B42, B57, B46? We were too, so we decided to make a very easy plug-and-play kit for 3, and 4-wire BMW map sensors. These kits will allow you to completely replace the 3-wire sensor with one of our sensors, leave your stock 4-wire in place for IAT sensing, and move the power, ground, and sensor signal from the factory sensor to our sensor. These sensors have the proper scaling which will allow your tuner to simply change your map sensor scaling in the tune, and the factory ECU will be able to utilize the sensor voltage with no problem. We are offering these in 5 bar (58 psi), and 6 bar (72 psi), and each comes with a plug-and-play harness, and optional fittings for ease of installation.
Note: For the S58/B58 our Factory style Pre-Throttle map sensor is also 5 bar, and will work fine coupled with the post throttle kit, but the scaling is different, if you want matching Voltages Pre/Post throttle you can run two of these.
A variety of install pics can be found below and - Here
Scaling PDF Links: 5-Bar / 6-Bar
Features include:- Plug and Play harnesses with no wire splicing
- Output wire for connecting a PI or external controller to your post-throttle map sensor for the most stable signal that is not affected by throttle closure
- Different fittings are available for your plumbing needs.
- Can have matching voltage signals for pre/post throttle for ease of tuning, and boost reference
- B58/S58 etc Pre Throttle - 3 Wire Harness (Charge pipe to 1/8" NPT adapter needed, for B58/S58 90 degree adapter needed to provide sensor clearance)
- B58/S58 Post Throttle - 4 Wire Harness (Boost reference will be needed from manifold to sensor)
- F90 M5 Pre/Post Throttle - 4 Wire Harness (May need to repin) (Boost reference will be needed from manifold to sensor)
- Most all other platforms Pre/Post Throttle - 4 Wire Harness (May need to repin) (Boost reference will be needed from manifold to sensor)
- B58
- S58
- S63/ S63TU
- N63
- N54
- S55
- N55
- N20
- B46
- B48
- B57
- B47
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Looking for Mac solenoids for your build? We got em here at VTT-FAB so you can get everything in one place. We have 3-port, and 4-port in stock!
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Unsure of the state of your CHRA's, whether brand new from a questionable source or rebuilt? Don't install them without having a proper High-Speed balance done! This is the #1 most critical factor when building a turbocharger, and is even more important for performance turbochargers or small twins that see a LOT of RPM. We use a Turbo Technics VS3 balancer, and balance most units down to under .5G Not all turbos will be able to pass a high-speed balancing test for any number of reasons (usually poor assembly, bent shaft, etc), if they will not pass, we will send you the specs they are in, and as close as we could get them. We then will give you the option to send them back, or we can disassemble, and rebuild them in-house using our other balancing, and assembly tools to ensure a properly built/balanced unit. The service is for most turbos, and we have the capability to balance most units, NOT ALL. If sending in twins please choose TWO as the quantity
UNITS MUST BE SENT IN WITH NO HOUSINGS, AND IN A CONDITION READY TO BE BALANCED, IF YOU NEED TO SEND IN COMPLETE TURBOS, WE CAN DISASSEMBLE, AND BALANCE FOR YOU, BUT AN EXTRA CHARGE WILL APPLY. IF THE UNITS ARE SENT IN A CONDITION WHERE THEY CAN NOT BE BALANCED WE WILL LET YOU KNOW THE PRICE TO GET THEM TO A STATE WHERE THEY CAN BE
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We have a variety of fittings in stock to help you get your turbo system plumbed up! Available are:
- 1/8" NPT to -6 AN Male (Great for water lines, or anywhere you need a small 1/8" NPT to -6 Male AN)
- M14x1.5 to -6 AN Male (Great for water lines on Garrett turbos GT, GTX, and G-Series, or anything that has a metric M14x1.5 thread and you need a -6AN male)
- .035" Turbo feed restrictors. These are for Garrett turbochargers and will fit GT, GTX, and G- Series up to G35
- Garret GT, GTX, and G-Series up to G35 -8 An drain adapter. For those that want a low profile -8 drain for their GT-G-Series Garrett. (Comes with two bolts, and a gasket)
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VTT-FAB Top-Mount Single Turbo Kit
For BMW F8X S55 Platform
VTT-FAB is proud to offer the premiere top-mount single turbo kit for the BMW F8X S55 platform. This system is 100% made in the USA at our Hayward, CA facility using only premium materials and components.
The heart of the kit is a hand-fabricated 321 stainless manifold with billet flanges for maximum flow and long-term durability. It’s paired with our factory-controlled external wastegate system featuring a Turbosmart 60mm Straight Gate. This design gives you complete wastegate control directly through your factory ECU tune — no external boxes, MAC solenoids, or vacuum lines required. Simply reuse your factory actuator with our adapter, and you have a true boost range from 0 PSI to the limits of your turbocharger.
⚠️ Important Notes
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Please email [email protected] to confirm current build times.
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Every kit is built to order and cannot be canceled once fabrication begins.
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VTT is proud to offer our EWG "Direct Control System" or DCS! This is a completely new innovation for people looking to control the highest-flowing wastegate on the market using an existing BMW electronic actuator. This system will allow BMW owners who have a vehicle with Electronic Wastegates from the factory to utilize this system to control an externally wastegated turbo system, AND it will ALSO allow ANY vehicle to use this setup to control your own custom turbo system. This is done by utilizing our custom 7075 Billet aluminum bracket coupled with a Turbosmart Straight gate, and if needed an EWG controller made for us by DCCD Pro. This allows direct external wastegate control over any turbocharger system with or without EWG for the factory. Features:
- Utilizes the most current wastegate technology the Turbosmart Straight Gate. This gate allows maximum flow with minimal restriction, low drive pressure, and much more. Full details can be found here - https://www.turbosmart.com/product/electronic-straightgate-esg50-external-wastegate/
- Can be configured in multiple ways, and angles based on how you mount the adapter
- The adapter is 7075 Aluminum which has the strength of steel and weight of aluminum
- All connection fittings, are made from Nitronic 60 which has extremely high temperature and wear properties
- Zero Drive Pressure, no springs, no poppet valves, direct control over the gate using factory ECU logic
- Adaptable to ANY turbo system on any car to provide the ultimate in boost control!
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Looking to replace your damaged factory BMW Actuator part number - 11658691853 VTT has located and ordered in bulk these actuators, and offer them at a discounted price. These are 100% FACTORY BMW OEM actuators, not aftermarket. Fitment is for the following, but they work to replace basically any BMW Actuator.
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Glass in your VTT Catch Can broken? If so we have replacements avaialble for $10 each. These are direct replacements for the glass that came with your cans.
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Are you looking to fab up your own S55 Single kit, but want our game-changing factory control via Turbosmart Straight gate? Yep, we offer that. This manifold is fully fabricated in-house using 321 1.25" Sch 10 Weld els, our own wire cut flange, and cast 6 into 1 Collector. We also fab the Turbosmart straight gate port which will provide perfect fitment for our factory-controlled setup. this manifold is designed to work with T3 V-Band inlets such as Garret G25, G30, G35, PTE T3 Size V-band inlet turbos, and Turbosmart T3 V-Band inlet turbos. This kit will require the use of our VTT-FAB Factory controlled External Straight gate set up, which can be purchased separately, and can be added from the drop-down. Features:
- Fully Fabbed in-house in Hayward Ca using US-sourced parts
- All Tig Welded
- 6 into Cast Collector that fits most T3 Small Frame Style V-band flanges (choose turbo chose from the drop-down)
- Fully set up for our VTT-FAB factory-controlled turbo smart straight gate. Making this plug-and-play with your existing tuner
- 321 Stainless Weld Els for the ultimate in heat resistance and durability
- 1.25" Primary for lightening spool, and high exhaust gas velocity
- Works with VTT-FAB Fitting adapters
THIS IS THE MANIFOLD ONLY! WE DO NOT SELL DOWNPIPES, CHARGE PIPES, ETC. SEPERATELY. THIS WILL REQUIRE YOU TO FAB UP ALL OF THOSE THINGS TO MAKE THIS WORK. IF YOU CANNOT DO THAT WE SUGGEST BUYING THE COMPLETE KIT...
