SKU: 62080585650

SSR PERFORMANCE DOUBLE-KEYED 4-PIN CRANK HUB BUNDLE FOR BMW M3 F80 M4 F82 F83 & M2 COMPETITION F87 S55

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Description

SSR PERFORMANCE DOUBLE-KEYED 4-PIN CRANK HUB BUNDLE FOR BMW M3 F80 M4 F82 F83 & M2 COMPETITION F87 S55DOUBLE KEYED CRANK HUB What is a Double Keyed Crank Hub? Failed or spun crank hubs have been reported throughout the S55 community on a regular basis, which has lead to valid concerns of the integrity of the factory hub, bolt and sprocket assembly. If a crank hub fails or spins it will cause the engine valve timing to skip or jump, potentially causing engine damage or failure. We have seen several of these through our workshop, we highly recommend

DOUBLE KEYED CRANK HUB


What is a Double-Keyed Crank Hub?

Failed or spun crank hubs have been reported throughout the S55 community on a regular basis, which has lead to valid concerns of the integrity of the factory hub, bolt and sprocket assembly. If a crank hub fails or spins it will cause the engine valve timing to skip or jump, potentially causing engine damage or failure.

We have seen several of these through our workshop, we highly recommend fixing the crank hub issue for any engine that has completed over 60,000km and is used on track days or hard downshifting.

SSR's new double-keyed and two-piece crank hub has fast become known as the reliable alternative to the factory design.

Double-Keyed Locking Assembly design locks the valve timing chain sprocket and the oil pump chain sprocket together to prevent one from spinning independent of the other. The oil pump sprocket is also pinned to the crankshaft nose. This Double-Keyed design ensures the sprockets will not rotate out of position.

Two-Piece Design. The original crank hub assembly is made up of three pieces; the hub, the engine timing sprocket, the oil pump sprocket and the crankshaft bolt. The SSR Performance design combines the hub and timing sprocket into one machined piece. This ensures that as long as the bolt is properly tightened to the crank the timing sprocket is always in sync with the crank. This acts as added insurance to the double-keyed design mentioned above.

WHY DO I NEED IT?

If your BMW M3 F80, M4 F82, F83 or M2 Competition F87 S55 is track used, modified or heavily modified installing the SSR Crank Hub is highly recommended. A spun crank can lead to engine failure with repair costs in excess of $20,000 or if slightly luckier broken down until vehicle is sent back to workshop for the crank hub to be replaced anyway and the engine retimed.

The SCH (Spun Crank Hub) failure has been seen on both stock and modified S55 engines. If you are modifying your car, doing track work or driving hard then upgrading the crank hub in your S55 powered M car is a fail safe you will not regret.

NOTE: Drilling holes into the crankshaft using the supplied specialty drill bit is required to mate the locking pins with the crankshaft.

100% BULLETPROOF.

Globally we understand there is a 100% success rate of the SSR Performance Double-Keyed 4-Pin Crank Hub.

SSR PERFORMANCE CRANK HUB BUNDLE INCLUDES:

  • SSR Performance Two-Piece Keyed Crank Hub (SSR-S55-CRANK)

  • Crank Bolt Capture (Part No. S55-CBC)

  • Genuine BMW Parts OEM Crank Bolt (Part no. BM-11217614270)

  • Genuine BMW Parts OEM Valve Cover Gasket (Part no. BM-11127587804)

  • Genuine BMW Parts OEM Cam Bolts (2) (Part no. BM-11367524954)

  • Genuine BMW Parts OEM Engine Inspection Plug (2) (Part no. BM-11117849396)

  • Genuine BMW Parts OEM Front Main Seal (Part no. BM-11118618864)

  • Genuine BMW Parts OEM Brake Booster Vacuum Pump Seal Cap (Part no. BM-11117530262)

  • Genuine BMW Parts OEM Oil Pump Chain Tensioner Access Cap (Part no. BM-11117615131)

  • Genuine BMW Parts OEM Sump Gasket (Part no. BM-11137600482)

  • Genuine BMW Parts OEM Sump Bolts (Part no. BM-11132210959)

  • MAHLE or MANN Filter Oil Filter

  • Specialty Drill Bit

  • Drill Fixture Tool

  • Drill Fixture Bolt

INSTALLATION:

Installation of any crank hub solution is extensive and must be carried out by highly qualified technicians only, the oil pan, valve covers, subframe, steering and suspension must be removed and re-installed. BMW-Specific specialty tools are required in order to set the engine cam and valve timing. Drilling holes into the crankshaft using the supplied specialty drill bit is required to mate the locking pins with the crankshaft.

We have done a number of these at BM Performance Centre.

WARNING: Improper installation may cause irreversible engine damage.

INSTALLATION TIPS:

  1. This is a great time to upgrade your turbos as everything is out of the way.
  2. For high output or high km builds it is also a great time to consider replacing the rod bearings, everything is out of the way and ready to go for a very quick and easy installation.
  3. Many components, bolts and hardware are single-use only, please ensure no bolts are re-used during this installation that should not be.
  4. The oil system must be primed prior to re-starting the engine due to the crankcase being opened up and pressure being released.

APPLICATIONS:

  • BMW M3 F80 (2014-2018)

  • BMW M3 F80 Competition (2016-2018)

  • BMW M4 F82/F83 (2014-2020)

  • BMW M4 F82/F83 Competition (2016-2020)

  • BMW M4 GTS (2016)
  • BMW M2 CS (2020)

  • BMW M2 Competition F87 (2018-2020

 


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    SKU: 62080585650

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    4.2 ★★★★★
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    Veritas_M
    Battle Creek, US
    ★★★★★ 5
    A Simple, Effective, and Inexpensive Device
    Color: Silver, Style: 1-Pack
    I have tried many variations of the standard computer mouse over the years. You probably have too. From weird angles, extra buttons in the scroll, funny side buttons that only make you go backwards on your web browser...Sometimes, you just want a point, click, scroll...and that's it. Pros: - This mouse delivers on simplicity. It doesn't have fancy advanced features. This basically functions as a point and click. It has a left and right hand button to do those old fashioned right and left button tasks. It has a basic scroll button. It's low tech features, but quality built for those features that it has. - It seems to work on most surfaces without a mouse pad. - Cost is ridiculously low. It's almost so low that you question its quality. In this case - it's Amazon. Amazon has really delivered on their Amazon Basics division. This falls neatly into that category of awesome but inexpensive Amazon Basics stuff. - Connected within a second to my computer (Mac). I don't see any connectivity issues. I didn't have to download drivers at all. Cons - I haven't used it long term yet so if there is a break down, or the battery life turns out to be poor, I will update. For now, it's behaving beautifully. Overall, if you miss a nice, simple, uncomplicated mouse - start here. Worst case scenario, you can return it. After all, Amazon has been standing behind their stuff for a while now so I'm not afraid to start with theirs and see how well they did. This is another one that didn't disappoint and it cost 50% less than its nearest competitor (at the time I bought it at least).
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    Reviewed in the United States on February 18, 2019
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    KTB
    Cuba, US
    ★★★★★ 5
    This works well for me for work and gaming
    Color: Blue, Style: 1-Pack
    A very good travel mouse. It's not too big and the battery lasts a long time. It is comfortable and works well
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    Reviewed in the United States on April 18, 2026
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    Mark Freburg
    Bozeman, US
    ★★★★★ 4
    Mostly a Really Good Mouse
    Color: Silver, Style: 1-Pack
    This mouse connected perfectly, feels good, and even works seamlessly with my cordless keyboard, which of course uses a different dongle. I have only one small issue, but it's one I thought worth mentioning. While the buttons work normally when moving the cursor around the screen, when it comes to actually making a selection with the primary button (right- or left-handed, doesn't matter), one must press the button VERY deliberately and somewhat slower for the "click" to be recognized. A typical "quick click" at the speed one would normally use, say, when typing or normal "mousing" often will not register with the computer. The result is that I have to slow down and click again. In several decades of using a computer mouse I've never experienced this phenomenon. I've grown used to it, however, and adjusted to the necessity to give the selection button a slower and harder "press" when making selections, and that's all it takes. And oddly, it only requires this extra deliberate action when pressing a selection button. Not the biggest issue one could have, but I thought it worth mentioning. Other than that, no problems, and really, the price is very good, so as they say, you pays your money and you makes your choice. ;-)
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    Reviewed in the United States on March 23, 2025
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    GFD
    Louisville, US
    ★★★★★ 5
    Great Value
    Color: Silver, Style: 1-Pack
    Works perfectly!
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    Reviewed in the United States on April 23, 2026
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    salsew
    Draper, US
    ★★★★★ 5
    A good mouse
    Color: Blue, Style: 1-Pack
    This is a very comfortable note to use for long period of time. My hand does not get tired with it.
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    Reviewed in the United States on May 10, 2026

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