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    • Weistec launches 1700+ hp capable F10 M5 & F13 M6 S63TU Garrett based W.4 turbo upgrade with GTX3071R Gen II, GTX3076R Gen II, and GTX3582R Gen II options

      Weistec is making good on their promise to deliver a turbo upgrade for the BMW M S63TU engine platform. BMW F10 M5 as well as F12/F13 M6 owners will be able to choose from Garrett GTX3071R Gen II, GTX3076R Gen II, and GTX3582R Gen II options.


      Note, this is a completely bolt on affair. Cores are not required. That means you order up your turbo kit with your choice of turbos and it will replace the stock turbochargers. Everything you need is included:

      Quote Originally Posted by Weistec
      The BMW S63 W.4 Turbochargers are complete, bolt on replacements for the stock turbochargers. There are no core charges with these turbos. No need to send in your stock turbos to get modified while your car sits in pieces waiting for the turbos to get back. Simply install the Weistec W.4 Turbochargers when you receive them. All necessary hardware is included. New turbo inlet pipes that mate up to the factory airboxes(or any bolt on aftermarket intake), and new charge pipes with integrated methanol injection ports that connect the turbos to the factory intercoolers come standard with the S63 W.4 Turbochargers. A pair of Weistec 304SS downpipes are also included to connect the turbos to the rest of the exhaust with out any cutting or welding as downpipes that are for the stock turbos will no longer fit the vehicle. Stainless braided oil and coolant lines are included with custom CNC machined and anodized fittings. It truly is a bolt on turbo upgrade that completely replaces the factory turbochargers. Even the factory engine cover still fits over the turbos.
      All you need is a tune and of course Weistec can tune it for your or your tuner of choice can do it.

      It is important to note that output will range depending on supporting modifications. To see the 1000+ horsepower potential obviously a built motor will be necessary with supplemental fueling from methanol.

      In theory, the upgrade is capable of flowing enough air for 1700+ horsepower.

      Pricing starts at $11,999.99 and goes up with options and turbo changes.

      Product page: http://weistec.com/s63-w-4-turbo-system.html

      Key Features:



      • Choice of Garrett Gen 2 GTX3071R, GTX3076R, or GTX3582R Turbos
      • No core charge / exchange
      • Ball Bearing Turbochargers
      • High flowing Weistec Stainless Steel turbine housings
      • Weistec Turbo Intake Tubes and Charge Pipes
      • Weistec 304SS Downpipes (OEM style downpipes are incompatible)
      • Greatly Increased HP and Torque
      • 1300HP to 1700HP Capable depending on turbo selection and with supporting modifications
      • Reuses factory wastegate actuators
      • Bolt in Installation
      • Stainless Braided Oil and Coolant Lines
      • CNC Machined Anodized Coolant and Oil Fittings






















      This article was originally published in forum thread: Weistec launches 1700+ hp capable F10 M5 & F13 M6 S63TU Garrett based W.4 turbo upgrade with GTX3071R Gen II, GTX3076R Gen II, and GTX3582R Gen II options started by Sticky View original post
      Comments 32 Comments
      1. nbrigdan's Avatar
        nbrigdan -
        Damn, this just got serious.
      1. Sticky's Avatar
        Sticky -
        Would be fun to see if someone could get an X5M to hold together with a pair of these.
      1. nbrigdan's Avatar
        nbrigdan -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Would be fun to see if someone could get an X5M to hold together with a pair of these.
        That would probably result in a number of upset P100D owners. I love the idea of a 1000+ HP SUV with handling to match.
      1. 135idct's Avatar
        135idct -
        twin scroll?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by 135idct Click here to enlarge
        twin scroll?
        Considering it is plug and play I would assume so.
      1. BPCMotorsports's Avatar
        BPCMotorsports -
        Lol well see. Hell, maybe once we're done with our m5 well buy a pair and see what they'll really do!
      1. ecampbell's Avatar
        ecampbell -
        Looks like they are on the way to do to the bmw world what they did to mercedes
      1. imola_shaun's Avatar
        imola_shaun -
        Looks like a v-band on the turbine inlet so it's probably not a twin scroll???
      1. lulz_m3's Avatar
        lulz_m3 -
        Click here to enlarge Originally Posted by imola_shaun Click here to enlarge
        Looks like a v-band on the turbine inlet so it's probably not a twin scroll???
        Thats a good question, they dont say. But v-band doesnt rule it out... the factory twins have the same connection, its just divided.

        Attachment 56271
      1. Weistec's Avatar
        Weistec -
        Click here to enlarge Originally Posted by 135idct Click here to enlarge
        twin scroll?
        The OEM cross bank manifolds are retained, but the turbine housings are single scroll.

        We chose to go with single scroll design for the following reasons

        1. Size constraints. A Twin scroll housing with the same effective A/R as our single scroll housings would be nearly twice as big in terms of exterior dimensions. This would have made it pretty much impossible to have the same flow for big power while still maintaining the OEM level of fitment we strive for on our turbocharger systems.

        2. Flow. A twin scroll housing would have to be smaller to fit in the same position/volume of space as our single scroll housing. That would have meant sacrificing flow capability of the turbine housing, which as you all know, would limit top end power. The whole point of the W.4 turbos is to not be limited by the same restrictions that are faced with any turbos based on the factory compressor covers and turbine housings.

        3. For those that are looking for turbo upgrade options that retain twin scroll and spool as fast as possible, we will soon be releasing a W.3 Turbo upgrade for the S63TU engines. The W.4 turbos are for those that want as much power as possible with out hacking up the car to shoehorn in universal type turbochargers.
      1. 3DMetal's Avatar
        3DMetal -
        Single "Scroll".
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Weistec Click here to enlarge
        The OEM cross bank manifolds are retained, but the turbine housings are single scroll.
        So it seems the manifold is making a big difference or else you could plug this into the N63 in theory.
      1. Sticky's Avatar
        Sticky -
        @Weistec as this isn't twin scroll in theory would this work on 550 or N63TU models?
      1. RNS-11Z's Avatar
        RNS-11Z -
        I'd really like to see 2 x 3582's make 1700hp.
      1. BPCMotorsports's Avatar
        BPCMotorsports -
        Click here to enlarge Originally Posted by RNS-11Z Click here to enlarge
        I'd really like to see 2 x 3582's make 1700hp.
        It wont happen, but we'll see how this progresses.
      1. Weistec's Avatar
        Weistec -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        @Weistec as this isn't twin scroll in theory would this work on 550 or N63TU models?
        We would need to get our hands on them and see what the differences are. Hopefully they are minimal.


        Click here to enlarge Originally Posted by RNS-11Z Click here to enlarge
        I'd really like to see 2 x 3582's make 1700hp.
        Garrett rates the Gen 2 GTX3582 at 850HP capable, meaning maximum engine HP. Two of them means enough flow potential for 1700HP at the engine but most people will never come close to maxing out the turbos. Eventually there will likely be plenty of people making 1100-1300HP at the engine.


        Click here to enlarge Originally Posted by BPCMotorsports Click here to enlarge
        It wont happen, but we'll see how this progresses.
        It certainly wont happen with out everything else needed to make it happen. Engine, trans, clutches, fuel system, exhaust, engine management system, etc would all need to be capable of supporting that much power before it can be attempted. Other platforms have done 1300-1400+ HP at the wheels running twin Gen2 GTX3582 turbos which is right in the neighborhood of 1700HP at the engine.
      1. RNS-11Z's Avatar
        RNS-11Z -
        I'm curious to know what engine/ set up makes 1700hp crank using twin 3582? Can you please post some links? No offence but I highly doubt you can achieve 1700hp from under 5.0lt capacity using those turbos. Happy to be proven wrong.
      1. lulz_m3's Avatar
        lulz_m3 -
        Click here to enlarge Originally Posted by RNS-11Z Click here to enlarge
        I'm curious to know what engine/ set up makes 1700hp crank using twin 3582? Can you please post some links? No offence but I highly doubt you can achieve 1700hp from under 5.0lt capacity using those turbos. Happy to be proven wrong.

        How about a nissan GTR?

        "GTX3582R - 1000whp on pump, 1300-1400whp on race/e85"

        source
      1. nbrigdan's Avatar
        nbrigdan -
        Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
        How about a nissan GTR?

        "GTX3582R - 1000whp on pump, 1300-1400whp on race/e85"

        source
        That was easy.
      1. Weistec's Avatar
        Weistec -
        Click here to enlarge Originally Posted by RNS-11Z Click here to enlarge
        I'm curious to know what engine/ set up makes 1700hp crank using twin 3582? Can you please post some links? No offence but I highly doubt you can achieve 1700hp from under 5.0lt capacity using those turbos. Happy to be proven wrong.
        No offence taken. A bigger engine engine would require less boost to make the same power as a smaller engine. Boost is just a number really. Its airflow that really matters. Two different displacement engines can have the same airflow and power, but the smaller engine would be at higher boost levels.

        As @lulz_m3 mentioned, GTR's frequently make near 1700hp at the engine with twin GTX3582 turbos

        S63TU is a bigger engine than what most built VR38DETT engines are when built, plus it has 2 more cylinders, which means less stress on pistons and rods to make the same power, other things being equal of course.

        Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
        How about a nissan GTR?

        "GTX3582R - 1000whp on pump, 1300-1400whp on race/e85"

        source
        Bingo. Click here to enlarge