Crankshaft Hardware for BMW F83 M4 S55 3.0L

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MMX Performance 4-Pin One-Piece Crank Hub Upgrade Kit - With MMR Capt...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:45039725

Part#: MMR20-1004FK

Ships in 2 Business Days

$ 1,227.99 USD

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$ 1,227.99 USD

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The centerpiece of this MMX kit is the UK-made CNC-machined one-piece crank hub, created from billet EN36 steel that's heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. Included are four aerospace precision-machined dowels that mechanically lock the hub to the end of the crank itself, plus a brand new OE bolt. Installation of these dowels is certainly not a DIY job. But, to make the job easier for the professionals, ensuring that the required crank modifications are made safely and accurately, the MMX kit also includes a full installation jig that includes a bolt-on drilling guide, a location bolt for this guide, plus an HSS rolled high-speed drill bit. Together, the single-piece design combined with the four-pin location ensures that there is simply no way that the friction plates can ever slip. With the new OE crank bolt tightened appropriately, this delivers a transformational improvement in reliability and peace of mind versus the OE version. Also included is the MMR Crank Bolt Capture Plate. This adds one additional layer of defense, preventing the crank bolt from being able to back out and loosen over time, ensuring everything is tightly held together as intended.

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S55 / N55 One-Piece Crank Hub Upgrade Kit - 4-Pin

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:19891361

Part#: MMR20-1004

In Stock

$ 1,064.99 USD

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$ 1,064.99 USD

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Both the N55 and S55 engines are plagued by the same issue when chasing high horsepower numbers... the dreaded crankhub failure. Fortunately MMR Performance has released an upgraded version of their already stout single-piece crankhub, but this time offering a 4-pin dowelled location that locks onto the front of the crankshaft. This configuration eliminates the multi-piece crankhub with friction discs in favor of a more robust single piece crankhub. Recommended for high-powered cars over 700 Horsepower

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5150 AutoSport High Performance Main Bearing Set, BMW S55

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:23416567

Part#: 5150-HPMBS-S55

Ships in 3 Business Days

$ 549.99 USD

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$ 549.99 USD

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Genuine BMW Hex Bolt - Engine Crankshaft Main Bearing Cap Bolt ...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:19658

Part#: 11117589711

In Stock

14% off MSRP $ 8.27

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7.11 USD

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14% off MSRP

$ 8.27

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7.11 USD

Add to Wish List

Genuine BMW Hex Bolt - M10X100
This item fits the following BMW Chassis:
E82 1M Coupe,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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Crankshaft Hardware for BMW F83 M4 S55 3.0L

MMX Performance 4-Pin One-Piece Crank Hub Upgrade Kit - With MMR Capt...

S55 / N55 One-Piece Crank Hub Upgrade Kit - 4-Pin

5150 AutoSport High Performance Main Bearing Set, BMW S55

Genuine BMW Hex Bolt - Engine Crankshaft Main Bearing Cap Bolt ...

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