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

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Innovate Motorsports - Corporate Logo
T#:28836410
Part#: 38770
In Stock at Vendor
$ 212.99 USD
Free Shipping on orders $49 and up

Features & Benefits:

Two configurable linear 0-5V analog outputs Ability to calibrate O2 sensors for maximum accuracy Includes LC-2 controller and Bosch wideband O2 sensor Comes with a program cable, manual, and a 10 ft. sensor cable Includes a 1-inch mild steel exhaust bung Innovate MTS serial in/out capability Integrated dual-color status LED (green/red) Patented DirectDigital™ wideband sensor control Positive lock connectors for all connections Real-time display data on screen or with the powerful LogWorks software Range:

AFR (Air-Fuel Ratio) range from 7.4:1 to 22.4:1 (0.5 to 1.5 lambda)

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AUTOTECKNIC - Corporate Logo
T#:39971047
Part#: BM-0007
In Stock
$ 64.99 USD
Free Shipping on orders $49 and up
a precision-engineered, lightweight dry carbon fiber upgrade designed to enhance the engine bay of compatible BMW models with an aggressive motorsport look and easy OEM-style installation.
MMX Performance - Corporate Logo
T#:4565824
Part#: MMR20-1003FK
Ships in 2 Business Days
$ 849.99

This product was last offered at the strikethrough price on
07-14-2026

$ 849.65 USD
Free Shipping
$ 849.65 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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MMX Performance - Corporate Logo
T#:45039725
Part#: MMR20-1004FK
Ships in 4 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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Radium Engineering - Corporate Logo
T#:27905095
Part#: 20-0024
In Stock at Vendor
$ 28.99 USD
Free Shipping on orders $49 and up

Includes:

Anodized 4AN ORB Barbed Adapter Fitting, Black Ball Valve with 1/4" Barbs, 125psi @ 140F 4 feet of Radium 1/4" PCV Hose

MMX Performance - Corporate Logo
T#:4552065
Part#: MMR03-0101-BL
Ships in 2 Business Days
$ 142.99 USD
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$ 142.99 USD
Free Shipping
If you are looking for peace of mind over the prone to cracking OEM plastic housing cap, this oil filter housing cap by MMX may be exactly what you are looking for. Composed of billet aluminum, this cap is light, durable, and dresses up your engine bay! Comes finished with a polished anodized dark anthracite coating. Installation is simple as it can be replaced while completing an oil change. *Note: After exposure to excessive heat over prolonged periods, overall finish fading can occur.
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POR-15 - Corporate Logo
T#:1575841
Part#: POR49216
Ships in 7 Business Days
$ 40.99 USD
Free Shipping on orders $49 and up
POR-15 Fuel Tank Sealer was formulated and developed in our own laboratories due to the demand for a high-tech sealer impervious to all fuels, including the new Stage II fuels which have a high alcohol content.
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Fuel-It! - Corporate Logo
T#:403279
Part#: FILPFPK3
Ships in 1-2 days
Starting at $ 1,154.83 USD
Free Shipping on orders $49 and up
Starting at $ 1,154.83 USD
Free Shipping on orders $49 and up
This is a complete Low-Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. This solution provides up to 300% more flow than stock and this assembly can be purchased one of three ways to meet your needs. Trade-in: (Domestic and Canada) This option allows you to receive a rebuilt/upgraded stock bucket with two new Walbro 450 pumps, filters, and fittings to swap out your stock LPFP assembly and requires a $150 *core deposit. Trade-in: (Euro) This option allows you to receive a rebuilt/upgraded stock bucket with two new Walbro 450 pumps, filters, and fittings to swap out your stock LPFP assembly and requires a $300 *core deposit. New Build: This option includes a new VDO LPFP bucket that is upgraded with new Walbro 450 pumps, filters, and fittings. No core deposit required but is eligible for a core refund of $50 should you elect to return your *stock bucket. (US Spec only) All three options include the following: A complete plug and play solution by simply replacing your stock bucket. However, to utilize the secondary, an additional wiring harness must be installed. Two new E85 compatible Walbro 450 pumps Two new Walbro filters A custom fitting that is tuned to optimize the venturi and pump output Spare vent tube clip Wiring harness for the secondary Flow testing prior to shipping
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Innovate Motorsports - Corporate Logo
T#:22558994
Part#: INN3904
In Stock at Vendor
14% off MSRP $ 313.99

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

$ 269.00 USD
Free Shipping on orders $49 and up
14% off MSRP
$ 313.99

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

$ 269.00 USD
Free Shipping on orders $49 and up

Introducing the Innovate Motorsports MTX Digital Series "Dual Function" Gauges – now available! These 2 1/16" (52mm) gauges come with interchangeable faceplates and bezels, locking connectors for simplified installation, and MTS serial connections for seamless integration with other Innovate devices for data logging.

DISPLAY RANGE

  • Ethanol Content %: 0-100%
  • Temperature: -40-257 °F (-40-125°C)

KEY FEATURES

  • Ethanol Content
  • Error reporting for ethanol content sensor (Digital Display)
  • Fuel Temperature
  • Customizable exterior LED display
  • Programmable exterior LED color options
  • Selectable unit of measure in °F or °C
  • Programmable fuel temperature warning (outer LED)
  • 2-Configurable analog outputs
  • Ethanol Content: 0v = 0%, 5v = 100%
  • Fuel Temperature: 0v = -40 °F, 5v = 257 °F (-40-125°C)

MTX-D: Ethanol Content Percentage & Fuel Temp Gauge Kit includes Gauge (Black Faceplate, Black Bezel), Silver Bezel & White Faceplate, Harness, Program Cable (Serial), Ethanol Content Sensor, Quick Start Installation Guide.

Please note that this is a universal fitment gauge, and installation may vary depending on the vehicle.

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Fuel-It! - Corporate Logo
T#:403280
Part#: FILPFPK4
Ships in 2 Business Days
Sale - Save 3% $ 552.99

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

Starting at $ 537.83 USD
Free Shipping
Sale - Save 3%
$ 552.99

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

Starting at $ 537.83 USD
Free Shipping

This is a complete plug and play solution to replace your stock Low-Pressure Fuel Pump (LPFP) with a new E85 certified bucketless assembly.

This solution provides up to 25% more flow than our standard Stage 2 LPFP upgrade and up to 150% more flow than the stock pump.  

This pump will support up to 550whp running 85% ethanol and 600whp running 50% ethanol. 

The Stage 2 bucketless kit includes the following:

    • A custom anodized billet fitting for the pump output and stock fuel line connection.
    • Our custom billet aluminum anodized bracket for the pump and float assembly
    • Two cotter pins to secure your float assembly
    • A new E85 compatible Walbro 450 pump
    • Spare vent tube clip
    • A new Walbro filter

If you still need more flow, the Stage 3 upgrade is also available and can be added to your Stage 2 bucketless pump.

The Stage 3 upgrade kit includes:

    • A complete plug and play solution by simply adding the secondary module
    • Our custom billet aluminum fitting to run both pumps in parallel
    • A new E85 compatible Walbro 450 pump
    • Wiring harness for the secondary pump
    • Spare vent tube clip
    • A new Walbro filter
  • Recommended accessories:
    • Lock Ring Removal Tool
    • Hobb's switch 
       
  • NOTE: These kits include a basic filter assembly.  When using this filter, running the vehicle under low fuel conditions can cause fuel starvation issues. If you do hard straight line accelerations when you have less than 1/8 tank of fuel, we would recommend running our standard Stage 2, 3, or Stage 4 pump.  In addition, if you intend to use this for road course applications, you may see starvation issues when running less than a half tank and doing long high G right turns.  Again for those applications we'd recommend one of our standard pump applications.
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MMX Performance - Corporate Logo
T#:19891361
Part#: MMR20-1004
Special Order: No Guaranteed ETA
$ 1,064.99 USD
Free Shipping on orders $49 and up
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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Fuel-It! - Corporate Logo
T#:403509
Part#: BMW-S1LPFP-CK
Ships in 2 Business Days
$ 199.99 USD
Free Shipping
$ 199.99 USD
Free Shipping
This is the complete upgrade kit that also includes the Walbro 255LPH GSL392 pump, comes fully assembled, and ready to install with your stock LPFP.


Fuel-It! - Corporate Logo
T#:403249
Part#: FILPFPK1
Ships in 1 Business Day
Starting at $ 199.99 USD
Free Shipping
Starting at $ 199.99 USD
Free Shipping

These kits are designed to be installed inline with your stock low-pressure fuel pump (LPFP).  They provide approximately 50% more flow when combined with your stock pump.

Kit includes the following:

  • SAE J30R10 E85 compatible fuel line
  • 14ga fuel resistant wiring harness
  • Quick connect female bullet connectors (2)
  • Vent tube replacement clip
  • Nylon cable ties (10)
  • Stainless steel lock nuts (2)
  • 10ga/14ga step-down butt splices w/E85 compatible heat-shrink tubing (2)
  • Pushlock pump retention fittings (2)
  • 14ga butt connectors w/heat-shrink tubing for pump removal to return to stock if/when desired (2)

    *Note:  Walbro does not warranty this pump for E85 use.  If your application requires an E85 certified pump you may want to consider selecting a Stage 2 fuel kit.

    ** IMPORTANT:  Do NOT attempt to run this kit inline with a Stage 2 kit.  The Stage 2 kit is a higher flowing kit and this will not only restrict the flow of the stage 2 kit, it will result in failures.

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Radium Engineering - Corporate Logo
T#:31059457
Part#: 20-1440
In Stock
$ 549.99 USD
Free Shipping
$ 549.99 USD
Free Shipping
Hitachi - Corporate Logo
T#:589968
Part#: 11327601233
Back Ordered
$ 55.00 USD
Free Shipping on orders $49 and up
$ 55.00 USD
Free Shipping on orders $49 and up
A faulty camshaft follower can damage the engine and cause incorrect valve timing.


Fuel-It! - Corporate Logo
T#:26038542
Part#: BMW-EPI-950
Ships on Aug 10, 2026
$ 1,188.00 USD
Free Shipping on orders $49 and up

This kit is designed to enhance performance by adding six supplemental low-pressure fuel injectors, capable of supporting 1000+ WHP on E85 and similar high-performance fuels.

Crafted with precision, the manifold spacers are CNC machined and anodized to ensure durability and prolonged service life. Each kit comes complete with all necessary installation hardware, a gasket set, and a plug-and-play fuel line adapter for seamless integration.

The Elite kit stands out with its sleek black anodized finish and includes an additional return port, an upgraded fuel line, and enhanced machining to accommodate a wider range of applications, including the BMW S55 engine.

A port injection controller is not included. This is required for a complete installation.

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Hitachi - Corporate Logo
T#:48815454
Part#: 13627525014
Ships in 7 Business Days
$ 40.00 USD
Free Shipping on orders $49 and up
The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.
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MMX Performance - Corporate Logo
T#:48608191
Part#: MMR03-0004
Ships in 6 Business Days
$ 40.00 USD
Free Shipping
$ 40.00 USD
Free Shipping
Hitachi - Corporate Logo
T#:48850079
Part#: 16117243975
Ships in 7 Business Days
New Item
$ 344.99 USD
Free Shipping on orders $49 and up
Delivers fuel from the tank to the engine.

Hitachi - Corporate Logo
T#:48850074
Part#: 13627582842
Ships in 7 Business Days
New Item
$ 184.99 USD
Free Shipping on orders $49 and up
Engine cranks but doesn't start? This sensor is often the issue.

Hitachi - Corporate Logo
T#:48815475
Part#: 13627595860
Back Ordered
$ 68.99 USD
Free Shipping on orders $49 and up
This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.
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