BMW Internal Engine Parts for BMW X Series E84 (2013-2015)

Clear BMW chassis

Please ensure your correct model is selected

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.

Sub-Categories

Sort By:
ARP Connecting Rod Bolt Kit - M52, M54B30, N20, N26, N54, N55, B46, B48, B58, S55
ARP Connecting Rod Bolt Kit - M52, M54B30, N20, N26, N54, N55, B46, B...
ARP - Corporate Logo
T#:3315
Part#: 201-6303
Back Ordered
$ 212.99

This product was last offered at the strikethrough price on
04-02-2026

$ 194.99 USD
Free Shipping
Add to Wish List
$ 194.99 USD
Free Shipping
Add to Wish List
Set of 12 ProSeries connecting rod bolts, made by ARP -- the world leader in fastener technology. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

This set replaces the 47mm length factory BMW rod bolts with part number 11-24-7-589-671 (11247589671) Check applications before ordering! Opened ARP bolt kits are not
returnable.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

This item fits the following BMWs:
1999-2005 E46 BMW 328i 328ci 330i 330ci 330xi
2001-2003 E39 BMW 530i
2004-2005 E60 BMW 530i
2004-2006 E83 BMW X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 3.0i
2003-2005 Z4 BMW Z4 3.0i
Show More Show Less
Timing Component
Timing Component
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:17871158
Part#: 11367583208
In Stock
Sale - Save 20% $ 199.99

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

$ 159.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 20%
$ 199.99

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

$ 159.99 USD
Free Shipping on orders $49 and up
Add to Wish List
ARP ARP2000 Head Stud Kit - N55
ARP ARP2000 Head Stud Kit - N55
ARP - Corporate Logo
T#:42335661
Part#: ARP-HSK-N55-S
Ships in 3 Business Days
$ 699.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 699.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Enhance your BMW N55 engine's ability to handle higher levels of boost with 5150's custom-designed Head Stud Kit from ARP, the global leader in fastener technology!
ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size)
ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...
ARP - Corporate Logo
T#:338571
Part#: TMS1733
In Stock
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
Add to Wish List
If you are using a premium fastener, such as the ARP brand rod bolts, head bolts, or main bolts, then you will want this assembly lube. Made to be used to precisely duplicate all ARP fastener preload specifications.
Show More Show Less
JE Pistons BMW N55B30
JE Pistons BMW N55B30
JE Piston - Corporate Logo
T#:33612897
Part#: 3380966
In Stock at Vendor
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.
Show More Show Less
JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FSR Piston - Set Of 6
JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FS...
JE Piston - Corporate Logo
T#:590161
Part#: 338096
In Stock at Vendor
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons BMW N55 Single
JE Pistons BMW N55 Single
JE Piston - Corporate Logo
T#:33846578
Part#: 338096S
Back Ordered
$ 349.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 349.99 USD
Free Shipping on orders $49 and up
Add to Wish List

B

JE Pistons BMW N55B30 Piston - 3.307 in Bore

Transform your BMW N55B30 engine with the high-performance JE Pistons Piston, engineered for those who demand power, efficiency, and reliability. With a precise 3.307-inch bore size, this piston is designed to enhance combustion dynamics, resulting in improved horsepower and torque. Crafted from premium forged aluminum, the JE piston is built to endure the rigors of high-performance driving, making it an ideal choice for both track enthusiasts and everyday drivers.

Key Features:

  • Optimized Design: Each piston is meticulously crafted to ensure a perfect fit for the N55B30 engine, maximizing combustion efficiency and overall engine performance.
  • 3.307-Inch Bore: This specific bore size enhances airflow and combustion efficiency, enabling your engine to unleash its full power potential while maintaining reliability.
  • Durable Forged Construction: Made from high-quality forged aluminum, this piston offers exceptional strength and lightweight properties, making it capable of withstanding extreme conditions found in performance applications.
  • Enhanced Combustion Characteristics: The uniquely designed piston crown promotes efficient fuel burn, reducing the chances of detonation and improving power delivery across the RPM range.
  • Trusted Performance: JE Pistons are renowned in the automotive community for their durability and reliability, making them a preferred choice for high-performance builds.

Applications:

  • Fits BMW N55B30 Engines – Perfect for high-performance applications, whether on the track or on the street.
  • Ideal for builders looking to enhance their engine’s capabilities, ensuring maximum power and efficiency.

Technical Specifications:

  • Bore Size: 3.307 inches, specifically designed for optimal performance in the N55B30 engine.
  • Material: Premium forged aluminum for lightweight and strength.
Show More Show Less
BMW N55B30 ULTRA SERIES
BMW N55B30 ULTRA SERIES
JE Piston - Corporate Logo
T#:33612895
Part#: 367879
In Stock at Vendor
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.
Show More Show Less
BMW N55 JE Piston ULTRA SERIES
BMW N55 JE Piston ULTRA SERIES
JE Piston - Corporate Logo
T#:33612896
Part#: 367880
Back Ordered
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.
Show More Show Less
BMW N55B30 JE Pistons
BMW N55B30 JE Pistons
JE Piston - Corporate Logo
T#:33612902
Part#: 338097
Back Ordered
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.
Show More Show Less

Select Vehicle

BMW Mini
Clear Vehicle

Purpose

Category

Brand

Price

$
$

Special Offers

Shipping