MMR Performance CRANK HUB 4-PINNED SINGLE PIECE UPGRADE BMW S55 N55

1,039.99

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Est. Dispatch Date: 29 June - 6 July

Engine failures caused by the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) well known, but these are fully addressed with the installation of the MMR Performance 4-Pinned Single-Piece billet Crank Hub, together with the option of adding our Capture Plate for ultimate security.


MMR Performance now offers this uprated version of our popular Single-Piece Crank Hub, with a 4-Pin dowelled location that locks onto the end of the crankshaft.

The OE crank hub unit’s friction plate are known to slip rotationally, causing the timing to alter enough that piston-to-valve contact can occur, leaving owners with a very expensive repair bill.

This 4-pin version of our Single-Piece Crank Hub kit is simply the ultimate solution to preventing this problem before it happens on high horsepower & torque engines.

The centrepiece of the MMR kit is the UK made CNC-machined one-piece crank hub, created from billet EN36 steel that’s been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. Along with this comes four aerospace precision machined dowels that mechanically lock the hub to 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 MMR 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 4-Pin location ensures that there is now no way that the friction plates can ever slip. With the new OE crank bolt tightened appropriately, this delivers a transformational improvement in reliability versus the OE version.

As MMR Performance offers two versions of the Single-Piece Crank Hub, which is best for you, pinned or unpinned?  For most standard to Stage 1 tuned S55 & N55 engines, the unpinned MMR Single-Piece Crank Hub (MMR20-1003) is more than sufficient. Installation is more straightforward as the end of the crankshaft does not need to be precision drilled to mount the four locating dowels. However, for high power/torque engines tuned beyond this level, we recommend this upgraded pinned version of the Crank Hub that incorporates the 4-pin dowel drive mounting for the ultimate engine security.

OE Multi-Piece Crank Hub (L) compared to MMR Single Piece Crank Hub (R)

Finally. as another option alongside the 4-Pinned Crank Hub, adding the MMR Capture Plate ensures that owners have complete peace of mind.

The Capture Plate removes the possibility for the crank bolt to be able to loosen with the engine’s vibrations or harmonics. The Capture Plate is an additional billet aluminium hat that securely bolts over the entire head of the crank bolt, making it literally impossible for the bolt to come undone. Please select from the product option below at point of ordering to include a Capture Plate with your order.

Single-Piece Crank Hub (L) with Capture Plate (R)

S55 and N55 bolt torque – 100Nm initial torque plus 270 degrees.

For BMW M2C, M3 and M4 S55-engined cars running high power and torque tuning setups, and N55-powered M2, M135i, M235i, 335i & 435i cars, MMR have engineered the most comprehensive solution on the market and at one of the most compelling price points. Don’t run high power without one!

APPLICATIONS:

This will fit all models with N55 and S55 engines. Most popular models:

BMW M2 F87 2015-2018

BMW M2 Competition F87 2018-2021

BMW M3 F80 – 2014-2019

BMW M4 F82 – 2014-2020

BMW M135i F2x 2011 – 2019

BMW M235i F2x 2013 – 2020

BMW 335i F3x 2011-2019

BMW 435i F3x 2013-2020

SHIPPING

VOGUE AUTOMOTIVE is proud to provide next working day dispatch on majority of our products.

We offer:

    • FREE EU SHIPPING: Mainland EU customers are eligible for a free standard tracked shipping service. Please note that a shipping surcharge may be applicable for deliveries to remote areas or islands such as Malta, Cyprus, Iceland, etc. Shipping times vary by country, but the average lead time is 3-5 working days from the dispatch date. On rare occasions, we may contact you for an additional shipping fee if your location is considered remote, as it falls outside our standard EU shipping pricing. Before placing your order, please get in touch with us if you are situated in a remote area.
    • RAPID DISPATCH: We typically dispatch your order on the next working day. In the case of larger items, we might take an extra day to ensure careful packaging.
    • WORLDWIDE SHIPPING: We also offer worldwide shipping for all orders. International customers are kindly requested to contact us for a shipping quotation before finalizing their order.

IMPORT DUTIES AND TAXES: Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling cost. These charges are the buyer’s responsibility as we are only charging the transportation fee for your order. You may check with your country’s customs office to determine if there will be additional costs.

RETURNS, EXCHANGES & WARRANTY

We take extra care in bringing you the best quality products and we pride ourselves on our industry leading customer service.

We examine all orders prior to dispatching to customers. All products are tested on specific vehicles in our workshop before available for sale.

We strongly advise you to check all contents when the package is delivered to make sure no damage has occurred during transportation and report any problems to us within 7 days. This will allow us to raise a claim with the shipping company as they have a time limit for reporting any shipping damages. Failing to inform us about this might result in your claims being declined.

In rare cases, if you find that a product has been damaged in transit or a fitment issue, please contact us by email info@vogueautomotive.com and we will resolve your query in quickest manner possible. When contacting us please provide as much information as possible and including any supporting photos if available.

RETURNS

  • Buyers will be responsible for return postage.
  • We recommend using a traceable service with insurance for returning any unwanted goods back to us.
  • We cannot exchange or refund any goods returned in damaged condition.
  • We will not accept any returned products which were modified/altered in any way by the customer.
  • If possible please retain and reuse all original packaging.

 

WARRANTY EXCLUSIONS

Our warranty on exterior products covers fitment issues only.

  • We do not cover return shipping charges unless a product is faulty.
  • Damage caused to a product during installation or from use of parts not supplied by us.
  • Damage and changes in appearances caused by external forces and elements.
  • We reserve the rights to change the warranty conditions without prior notice.

MMR Performance CRANK HUB 4-PINNED SINGLE PIECE UPGRADE BMW S55 N55