BMW Internal Engine Parts for BMW X Series E71 (2008-2014)

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N55
Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...
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Bav Auto Tools - Corporate Logo
T#:580444
Part#: B8800139
In Stock
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$ 193.79 USD
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$ 203.99

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Used in removal and installation of the front crankshaft seal on BMW N55 engines, a common job that you can save yourself a ton of money doing at home.
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52 and N54
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...
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Bav Auto Tools - Corporate Logo
T#:580412
Part#: B8800104
In Stock
Sale - Save 5% $ 147.99

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$ 140.59 USD
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For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...
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Bav Auto Tools - Corporate Logo
T#:580431
Part#: B8800124
In Stock
Sale - Save 15% $ 178.99

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$ 152.14 USD
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For installation and removal of pressure springs on intermediate levers of valve train. Ensures quick, easy and safe handling of these high force springs.
S55 / N55 One-Piece Crank Hub Upgrade Kit - 4-Pin
S55 / N55 One-Piece Crank Hub Upgrade Kit - 4-Pin
MMX Performance - Corporate Logo
T#:19891361
Part#: MMR20-1004
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$ 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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MMX Performance - 4-Pin One-Piece Crank Hub Upgrade Kit - With MMR Capture Plate - S55, N55
MMX Performance - 4-Pin One-Piece Crank Hub Upgrade Kit - With MMR Ca...
MMX Performance - Corporate Logo
T#:45039725
Part#: MMR20-1004FK
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$ 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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MAHLE Forged Piston Kit 84mm - N54 - 3.0L
MAHLE Forged Piston Kit 84mm - N54 - 3.0L
Mahle Motorsports - Corporate Logo
T#:2928970
Part#: 197832209
In Stock at Vendor
$ 1,088.99 USD
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Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
MMR Crank Hub Kit - N55/S55
MMR Crank Hub Kit - N55/S55
MMX Performance - Corporate Logo
T#:4565824
Part#: MMR20-1003FK
Ships in 2 Business Days
$ 849.99 USD
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$ 849.99 USD
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Anyone with a modified N55/S55 knows the risks involved with the OEM Crank Hub. When the engine simply can't handle the stresses its put under or the design is such that it simply does not support extreme conditions, issues can arise. Under certain conditions, the N55/S55 crank hub likes to spin, without warning and even when the engine is in perfect health. MMR has produced a EN36 machined billet one-piece crank hub heat treated with a 0.75mm case hardening which makes it extremely durable. Due to the one-piece design, it ensures that the friction plates cannot slip. This offers a huge jump in reliability when paired with a new properly torques crank bolt. Installation is requires no drilling or modification to the OEM crankshaft ensuring a perfect fit! Included in this kit is MMR's T-6061 machined billet aluminum capture plate anodized in their trademark finish. The MMR Performance capture plate secures the head of the OE crank bolt and prevents it from turning or being able to loosen. *Installation recommended by a professional shop or technician.
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BMW N54 3.0L MAHLE Forged Piston Kit 84.50mm
BMW N54 3.0L MAHLE Forged Piston Kit 84.50mm
Mahle Motorsports - Corporate Logo
T#:2928972
Part#: 197832225
Back Ordered
$ 1,088.99 USD
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BMW N54 3.0L MAHLE Forged Piston Kit 84.50mm delivers exceptional performance and reliability for BMW engines. This high-quality piston kit is designed to replace the weaker factory cast aluminum pistons with robust forged pistons, enhancing durability and heat tolerance for extreme engine conditions.

  • Enhanced Strength: Forged from 2618 aluminum, these pistons are more resistant to extreme heat, detonation, and high pressure, providing superior performance.
  • Precision Specifications:
    • Bore: 84.50mm
    • Stroke: 89.6mm
    • Rod: 145.05mm
    • CH: 31.7mm
    • Piston Style: Dish with 4 valve reliefs
    • Crown Volume: 17.2cc
    • Piston Mass: 314g
    • Pin Diameter: 22mm
    • Pin Style: Floating
  • Complete Kit: Includes pistons, pins, clips, and rings (1.0mm, 1.2mm, 2.8mm thickness).
  • Durable Coatings: Features phosphate, Grafal, and hard anodized top ring groove for added longevity.
  • Sold as a Set: Comes as a set of 6 pistons.

MAHLE Motorsport's PowerPak and PowerPak+ piston kits are engineered for both high-performance and everyday driving, offering a reliable upgrade for BMW engines. With over 95 years of performance experience, MAHLE Motorsport provides advanced features and superior quality for your engine build.

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N54 Crank Hub Service Kit - Up To 02/2011
N54 Crank Hub Service Kit - Up To 02/2011
For vehicles with production date up to 02/2011
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Packaged by Turner - Corporate Logo
T#:2227021
Part#: N54PRCRANKT
In Stock
Sale - Save 3% $ 156.99

This product was last offered at the strikethrough price on
05-03-2026

$ 151.69 USD
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This product was last offered at the strikethrough price on
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$ 151.69 USD
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All of the components necessary for service when upgrading to an aftermarket crank hub solution.
MAHLE PowerPak Piston Kit 84mm with Thermal Barrier Coating (TBC) - N54 - 3.0L
MAHLE PowerPak Piston Kit 84mm with Thermal Barrier Coating (TBC) - N...
Mahle Motorsports - Corporate Logo
T#:2928971
Part#: 197832209T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
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$ 1,271.99 USD
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Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC Get the performance and reliability your N54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston. MAHLE forged pistons more tolerant to the abuses of extreme heat, detonation and pressure inherent in performance oriented engines.
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MAHLE Forged Piston Kit 84mm with Thermal Barrier Coating (TBC) - N54 - 3.0L
MAHLE Forged Piston Kit 84mm with Thermal Barrier Coating (TBC) - N54...
Mahle Motorsports - Corporate Logo
T#:2928969
Part#: 197841309T
In Stock
$ 1,271.99 USD
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Forged, 2618. Get the performance and reliability your N54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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BMW N54 3.0L MAHLE Forged Piston Kit 84mm
BMW N54 3.0L MAHLE Forged Piston Kit 84mm
Mahle Motorsports - Corporate Logo
T#:2928968
Part#: 197841309
Ships in 1 Business Day
$ 1,088.99 USD
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BMW N54 3.0L MAHLE Forged Piston Kit 84mm delivers superior performance and reliability for your BMW engine build. This high-quality piston kit replaces the factory cast aluminum pistons with robust forged pistons, offering enhanced durability and heat resistance. Designed to withstand the stresses of extreme temperatures, detonation, and high pressure, these pistons are ideal for high-performance applications. MAHLE Motorsport’s PowerPak Piston Kit ensures a significant upgrade in strength and reliability, making it perfect for both motorsport enthusiasts and those seeking to enhance their daily driving experience.

  • Enhanced Durability: Forged pistons provide superior strength and are more resistant to extreme heat, detonation, and high pressure compared to cast aluminum.
  • Precision Engineering: Made from high-quality 2618 alloy, ensuring reliability under demanding conditions.
  • Complete Kit: Includes pistons, pins, clips, and rings for a comprehensive upgrade.
  • Optimized Performance: Designed for high-performance applications, improving engine efficiency and power output.
  • Advanced Coatings: Features phosphate, Grafal, and hard anodized top ring groove coatings for extended longevity and performance.

Specifications:

  • Compression Ratio: 9.5:1
  • Bore: 84.00mm
  • Stroke: 89.6mm
  • Rod: 145.05mm
  • CH: 31.7mm
  • Piston Style: Dish, with 4 valve reliefs
  • Crown Volume: 17.2cc
  • Piston Mass: 314g
  • Piston Material: Forged, 2618
  • Pin Diameter: 22mm
  • Pin Style: Floating
  • Pins Included: Yes
  • Clip Style: Round Wire
  • Clips Included: Yes
  • Piston Ring Thickness: 1.0mm, 1.2mm, 2.8mm
  • Rings Included: Yes
  • Sold As: Set of 6
  • Coatings: Phosphate, Grafal, Hard Anodized top ring groove
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MAHLE Forged Piston Kit 84.50mm - N54 - 3.0L
MAHLE Forged Piston Kit 84.50mm - N54 - 3.0L
Mahle Motorsports - Corporate Logo
T#:2928976
Part#: 197841325
Ships in 1 Business Day
$ 1,088.99 USD
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$ 1,088.99 USD
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Forged, 2618. Get the performance and reliability your N54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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N54 Crank Hub Service Kit - From 02/2011
N54 Crank Hub Service Kit - From 02/2011
For vehicles with production date from 02/2011
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:2227020
Part#: N54POCRANKT
In Stock
Sale - Save 3% $ 150.99

This product was last offered at the strikethrough price on
05-03-2026

$ 146.61 USD
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Sale - Save 3%
$ 150.99

This product was last offered at the strikethrough price on
05-03-2026

$ 146.61 USD
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All of the components necessary for service when upgrading to an aftermarket crank hub solution.
MAHLE Forged Piston Kit 84.50mm with Thermal Barrier Coating (TBC) - N54 - 3.0L
MAHLE Forged Piston Kit 84.50mm with Thermal Barrier Coating (TBC) - ...
Mahle Motorsports - Corporate Logo
T#:2928973
Part#: 197832225T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
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$ 1,271.99 USD
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Forged, 2618. Get the performance and reliability your N54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less
MAHLE Forged Piston Kit 84.50mm with Thermal Barrier Coating (TBC) - N54 - 3.0L
MAHLE Forged Piston Kit 84.50mm with Thermal Barrier Coating (TBC) - ...
Mahle Motorsports - Corporate Logo
T#:2928977
Part#: 197841325T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
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$ 1,271.99 USD
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Forged, 2618. Get the performance and reliability your N54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

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