BMW Engine Parts for BMW E30 M3 S14 2.3L

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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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1/2"/12mm Band Hose Clamp - 20-32mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:363015
Part#: 003402ECS05A-05
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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$ 4.99

This product was last offered at the strikethrough price on
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$ 3.74 USD
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ECS 1/2"/12mm Band Hose Clamp - 20-32mm

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

  • Premium 304 stainless steel construction for durability
  • German-style T-bolt design for easy size adjustment
  • Versatile band widths cater to different hose sizes
  • Eliminates the need for expensive dealership purchases
  • Ensures secure and reliable hose connections
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ECS - Corporate Logo
T#:637408
Part#: 028092ECS11AKT
Ships on Nov 3, 2026
Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-14-2026

$ 2.99 USD
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$ 3.99

This product was last offered at the strikethrough price on
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$ 2.99 USD
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Upgrade your exhaust system with the Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm). This high-quality weld bung is made from stainless steel, ensuring durability and resistance to corrosion. It features M18x1.5mm threads, making it compatible with most oxygen sensors. Perfect for custom exhaust setups or replacing damaged bungs, this weld bung is a must-have for any automotive enthusiast.

  • Made from high-quality stainless steel for durability and corrosion resistance
  • M18x1.5mm threads ensure compatibility with most oxygen sensors
  • Ideal for custom exhaust setups or replacing damaged bungs
  • Essential for automotive enthusiasts looking to upgrade their exhaust system
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LK-2M 2 Pin Connector Package
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:40072446
Part#: LK2M
In Stock
Sale - Save 29% $ 6.99

This product was last offered at the strikethrough price on
06-14-2026

$ 4.94 USD
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Sale - Save 29%
$ 6.99

This product was last offered at the strikethrough price on
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$ 4.94 USD
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Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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3 Pin Connector
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:33412930
Part#: 12521706096
In Stock
Sale - Save 11% $ 10.99

This product was last offered at the strikethrough price on
06-14-2026

$ 9.78 USD
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$ 10.99

This product was last offered at the strikethrough price on
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$ 9.78 USD
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Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV).

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12521706096 - Commonly used for the idle air control valve (IACV).

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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1/2"/12mm Band Hose Clamp - 25-40mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:340681
Part#: 003402ECS06A-09
In Stock
Sale - Save 25% $ 2.99

This product was last offered at the strikethrough price on
06-13-2026

$ 2.24 USD
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$ 2.99

This product was last offered at the strikethrough price on
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$ 2.24 USD
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Ensure secure hose connections with the 1/2"/12mm Band Hose Clamp. This versatile clamp provides a tight and reliable seal for various hose sizes, making it ideal for automotive, plumbing, and industrial applications. With its durable construction and easy installation, the 1/2"/12mm Band Hose Clamp is a practical solution for preventing leaks and maintaining efficiency.

  • Provides a tight and reliable seal
  • Versatile clamp for various hose sizes
  • Suitable for automotive, plumbing, and industrial applications
  • Durable construction ensures long-lasting use
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77-85mm - 3/4" Band Hose Clamp
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:377877
Part#: 003402ECS07A-05
In Stock
Sale - Save 25% $ 25.99

This product was last offered at the strikethrough price on
06-13-2026

$ 19.49 USD
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$ 25.99

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$ 19.49 USD
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Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

  • Made of durable 304 stainless steel for long-lasting performance
  • German-style T-bolt design for easy size adjustment
  • Convenient band widths for versatile applications
  • Quality alternative to dealership pricing
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Adjustable Hose Clamp - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:378496
Part#: 5574K12
In Stock
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This product was last offered at the strikethrough price on
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$ 3.87 USD
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Upgrade your hose fittings with the Adjustable Hose Clamp. Designed for versatility and reliability, this clamp provides a secure and adjustable solution for various hose sizes. With its durable construction and easy-to-use design, it ensures leak-free connections in automotive, plumbing, and industrial applications. Say goodbye to loose hoses and enjoy peace of mind with this essential hose clamp.

  • Provides secure and adjustable solution
  • Durable construction for reliability
  • Easy-to-use design for convenience
  • Suitable for automotive, plumbing, and industrial applications
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3/8"/9mm Band Hose Clamp - 20-32mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:341297
Part#: 003402ECS06A-05
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
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$ 3.74 USD
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$ 4.99

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$ 3.74 USD
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Upgrade your Mini Cooper's hose clamping mechanism with the 3/8" (9mm) Band Hose Clamp from ECS. Designed for precision and durability, this clamp ensures a secure fit for hoses, preventing leaks and ensuring optimal performance. Crafted to meet high-quality standards, it provides reliable sealing and resilience against varying temperatures and pressures. Easy to install and engineered for long-term use, this hose clamp is an essential addition to maintain your Mini Cooper's functionality.

  • Precision-engineered for Mini Cooper hoses
  • Ensures a secure and leak-free fit
  • Resilient against temperature and pressure variations
  • Easy to install and durable for long-term use
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Hose Clamp - 32mm-50mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:5228
Part#: 032-50T
In Stock
Sale - Save 40% $ 3.99

This product was last offered at the strikethrough price on
05-02-2026

$ 2.39 USD
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Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

Features:
  • 9mm band width
  • 6mm hex & slotted head
  • Smooth inside of band = optimal hose protection
  • OEM
  • 430 Stainless steel band and housing with zinc plated steel screw
  • Asymmetric housing = even distribution of forces and prevents tilting of the clamp when tightening
  • Screw support = ease of assembly due to the safe guidance of the emerging band
  • Short housing saddle = even contact pressure = improved efficiency

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    1.5mm X 51mm Metric Buna-N 70 O-ring
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:388889
    Part#: N1.50X051
    In Stock
    Sale - Save 25% $ 5.99

    This product was last offered at the strikethrough price on
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    $ 4.49 USD
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    1.5mm X 51mm Metric Buna-N 70 O-ring is the perfect sealing solution for various industrial applications. Made from high-quality Buna-N material, this O-ring provides reliable sealing performance, ensuring leak-free connections. With its metric sizing and 70 durometer hardness, it offers versatility and durability for a wide range of uses.

    • High-quality Buna-N material
    • Reliable sealing performance
    • Metric sizing for versatility
    • 70 durometer hardness for durability
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    60-80mm 1/2"/12mm Band Hose Clamp
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:377836
    Part#: 003402ECS05A-10
    In Stock
    Sale - Save 25% $ 6.99

    This product was last offered at the strikethrough price on
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    $ 5.24 USD
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    ECS Tuning Stainless Steel Hose Clamps for BMW

    Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

    Benefits:

    • Convenient replacement for worn-out hose clamps
    • Made of durable stainless steel for long-lasting performance
    • Available in various band widths for versatile use
    • Affordable alternative to dealership pricing
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    Allen Head Bolt - priced each
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:372427
    Part#: 91290A231
    In Stock
    Sale - Save 80% $ 4.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 0.99 USD
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    $ 4.99

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    Allen Head Bolt

    Upgrade your fastening needs with the Allen Head Bolt, a versatile and reliable solution for various applications. Crafted from high-quality materials, these bolts offer exceptional strength and durability. Their allen head design ensures secure tightening and easy access, making them ideal for automotive, construction, and DIY projects. Elevate your projects with the precision and reliability of Allen Head Bolts.

    • High-quality materials for exceptional strength
    • Secure tightening with allen head design
    • Versatile usage for automotive, construction, and DIY projects
    • Reliable and durable solution for various applications
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    70-90mm 1/2"/12mm Band Hose Clamp
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:341279
    Part#: 003402ECS05A-11
    In Stock
    Sale - Save 25% $ 8.99

    This product was last offered at the strikethrough price on
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    $ 6.74 USD
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    1/2"/12mm Band Hose Clamp

    For reliable hose fastening, opt for the top-tier 1/2"/12mm Band Hose Clamp. Engineered for durability and versatility, this hose clamp ensures secure connections in various applications. Invest in quality and maintain optimal functionality with this essential accessory.

    • Versatile clamp suitable for various hose sizes
    • Durable construction ensures long-lasting performance
    • Provides a secure seal for optimal functionality
    • Easy to install and adjust for convenience
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    Enthusiast Bundles - Corporate Logo
    T#:26505018
    Part#: 005989SCH01A03KT
    In Stock
    Sale - Save 15% $ 95.99

    This product was last offered at the strikethrough price on
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    $ 81.47 USD
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    COMBINATION WRENCH SET:

    Quality combination wrenches are a must when doing any kind of automotive work.

    Features:

    • A complete set from 8 to 19 mm 
    • Professional quality wrenches in full length feature open end on one end and 12 pt box on the other
    • Satin finish provides superior feel, slip resistant grip, easy cleanup and inhibits rust
    • Includes sturdy wrench holder for easy storage


    SCRAPER, HOOK, AND PICK SET:


    Some of the most popular uses are carbon cleaning/scraping, picking out o-rings, snap rings and clips. This kit features large and small picks, hooks and a 1" wide scraper. This 9pc set should be part of everyone's tool assortment.

    Features:

    • 3" Blade MINI Awl, 90°, Hook, and Curve
    • 6" Blade Awl, 90°, Hook, and Curve
    • 6" x 1" wide scraper

    Everything in this kit comes with LIFETIME REPLACEMENT.


    WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

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    70-90mm 3/8"/9mm Band Hose Clamp
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:363017
    Part#: 003402ECS06A-11
    In Stock
    Sale - Save 25% $ 6.99

    This product was last offered at the strikethrough price on
    06-13-2026

    $ 5.24 USD
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    This product was last offered at the strikethrough price on
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    Upgrade your BMW with ECS Tuning's Stainless Steel Hose Clamps, designed for convenience and durability. With various band widths and German-style T-bolts, these clamps offer easy adjustment to your required diameter. Say goodbye to dealer pricing and enjoy the quality you love at ECS Tuning.

    • Full stainless steel construction
    • Various band widths available
    • German-style T-bolts for easy adjustment
    • Convenient solution for hose clamp replacement
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    60-80mm 3/8"/9mm Band Hose Clamp
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:341277
    Part#: 003402ECS06A-10
    In Stock
    Sale - Save 25% $ 6.99

    This product was last offered at the strikethrough price on
    06-13-2026

    $ 5.24 USD
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    Discover ECS Tuning's stainless steel hose clamps, designed to simplify your Mini's maintenance tasks. No more waiting for dealership orders or overpaying!

    These clamps offer versatility with various band widths and German-style T-bolts for size adjustment, ensuring they meet your required diameter. Say goodbye to dealer pricing while securing top-notch quality synonymous with ECS Tuning.

    • Stainless steel construction for durability
    • Versatile band widths for various applications
    • German-style T-bolts for size adjustment
    • High-quality alternative to dealership hose clamps
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    Precision Raceworks - Corporate Logo
    T#:38195399
    Part#: 501-0051
    In Stock
    $ 19.99 USD
    Free Shipping on orders $49 and up
    Precision Raceworks 6 feet of length and 3mm inner diameter
    90-110mm 3/8"/9mm Band Hose Clamp
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:341281
    Part#: 003402ECS06A-13
    In Stock
    Sale - Save 40% $ 6.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 4.19 USD
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    ECS Tuning 304 Stainless Steel Hose Clamps

    Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

    • Made from high-quality 304 stainless steel for durability
    • German-style design with T-bolts allows for easy size adjustment
    • Various band widths for versatile use
    • Avoid dealership pricing without compromising on quality
    • Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps
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    ARP - Corporate Logo
    T#:338571
    Part#: TMS1733
    In Stock
    Starting at $ 1.99 USD
    Free Shipping on orders $49 and up
    Starting at $ 1.99 USD
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    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.
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    Race German - Corporate Logo
    T#:7703243
    Part#: RGIJT0L
    Ships in 2 Business Days
    $ 17.99 USD
    Free Shipping on orders $49 and up
    Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. Race German's BMW fuel injector rebuild kit is one of their best selling products. To make things easier, they are now offering this little tool to help you remove the small micro filters out of the end of the Bosch fuel injectors. This simple tool threads into the end of the injector, and once engaged you simply wiggle and pull, and the micro filter comes out. *Note: This tool is included with many of the Race German Injector rebuild kits
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    Fuel Injector Clinic - Corporate Logo
    T#:6940367
    Part#: IS803-0650H
    Ships in 1 Business Day
    $ 378.00 USD
    Free Shipping
    $ 378.00 USD
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    High performance fuel injectors featuring high impedance Bosch core, E85 compatible, with a lifetime warranty. This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and the results are provided on the Data Match Sheet providing the most complete flow matching and latency value information available in the industry today. Fuel Injector Clinic injectors are flow tested and rated at 43.5psi (3Bar) at 90deg F fuel temperature using CF-16B calibration fluid. A superior short pulse width control and state of the art matching make these injectors easy to tune and provide great drivability. Every injector is covered against failure caused by defects in original manufacture by a lifetime warranty.
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    Universal Vortex Breather Catch Can
    2X Entries Into Our F80 M3 Sweepstakes
    034Motorsport - Corporate Logo
    T#:587831
    Part#: 034-101-4000
    Back Ordered
    $ 153.00 USD
    Free Shipping
    $ 153.00 USD
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    CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
    2X Entries Into Our F80 M3 Sweepstakes
    Universal fitment design - modifications may be necessary to run this cooler
    CSF - Corporate Logo
    T#:53608839
    Part#: 8371
    Ships in 3 Business Days
    New Item
    $ 499.00 USD
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    $ 499.00 USD
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    CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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    5150 Autosport - Corporate Logo
    T#:28537477
    Part#: ATH-HG-CR-S14-95
    Ships in 3 Business Days
    $ 284.99 USD
    Free Shipping on orders $49 and up
    This Athena Cut Ring Head Gasket is specifically engineered to replace BMW part 11121316714 for the S14B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena-SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder pressure caused by power modifications, making them the recommended choice for applications making 16+ psi. Design: Athena-SCE's gasket body is composed of Motorgasket, a reinforced material developed by Athena's R&D department. This consists of a steel core covered with two layers of asbestos-free aramid fibre and offers excellent thermal and mechanical resistance without compromising its ability to adapt to mating surfaces. To ensure maximum sealing under all conditions, a silicone bead is also applied to critical sealing areas, such as oil and coolant passages. The AISI 304 stainless steel cooper rings bite into the aluminum head, providing maximum sealing around the cylinder bore and optimizing engine performance, even on engines with nitrous and/or turbo applications that exceed 2 bar boost.
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    Fuel Injector Clinic - Corporate Logo
    T#:6940368
    Part#: IS803-0525H
    Ships in 1 Business Day
    $ 352.00 USD
    Free Shipping
    $ 352.00 USD
    Free Shipping
    High performance fuel injectors featuring high impedance Bosch core, E85 compatible, with a lifetime warranty. This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and the results are provided on the Data Match Sheet providing the most complete flow matching and latency value information available in the industry today. Fuel Injector Clinic injectors are flow tested and rated at 43.5psi (3Bar) at 90deg F fuel temperature using CF-16B calibration fluid. A superior short pulse width control and state of the art matching make these injectors easy to tune and provide great drivability. Every injector is covered against failure caused by defects in original manufacture by a lifetime warranty.
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    ARP - Corporate Logo
    T#:28537451
    Part#: ARP-HSK-S14
    Ships in 3 Business Days
    $ 179.99 USD
    Free Shipping on orders $49 and up
    This ARP head stud Kit is designed for the BMW S14 B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Installing ARP head studs can provide several benefits, including increased clamping force, improved head gasket sealing, and greater overall engine strength. This is especially important in high-performance and racing applications where the engine is subjected to increased stress and higher temperatures. Before installing ARP head studs, it is important to properly clean and prepare the engine block and cylinder head mating surfaces. It is also recommended to use ARP Ultra-Torque Fastener Assembly Lubricant during installation to ensure proper torque and clamping force. Instructions: 1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser. 2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension. 3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER. 4. Screw studs into the block “HAND TIGHT ONLY”. 5. Install the cylinder head(s) and check for binding or misalignment. 6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. Then install the washers and the nuts onto the studs and tighten them hand tight. ARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.
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    Active Autowerke - Corporate Logo
    T#:57616348
    Part#: RTF-1L
    Ships in 3 Business Days
    New Item
    7% off MSRP $ 140.00

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

    $ 130.00 USD
    Free Shipping
    7% off MSRP
    $ 140.00

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

    $ 130.00 USD
    Free Shipping
    Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml).
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    JE Piston - Corporate Logo
    T#:33713155
    Part#: 321359S
    In Stock at Vendor
    $ 251.99 USD
    Free Shipping on orders $49 and up

    JE Pistons BMW S14B23 Piston - 8.5:1 Compression – 94.00 mm Bore – 1.260 in. CH, -23.70 CC is expertly engineered for BMW S14 engines, offering a lower compression ratio ideal for turbocharged and high-boost applications. Designed to provide increased power and durability, these high-performance pistons are perfect for enhancing the performance of the BMW E30 M3, delivering consistent results both on the street and track.

    Available through Turner Motorsport, these JE Pistons are forged for maximum strength and heat resistance, making them capable of withstanding extreme pressure and high RPMs. With a 94.00 mm bore and -23.70 CC volume, these pistons are precisely crafted to optimize engine displacement and combustion efficiency, allowing for greater throttle response and boosted power output.

    Key Benefits:

    • 8.5:1 compression ratio for optimal performance in turbocharged and high-boost applications
    • 94.00 mm bore for increased engine displacement and improved performance
    • 1.260 in. compression height and -23.70 CC volume for efficient combustion
    • Forged construction for maximum strength and durability under extreme conditions
    • Specifically designed for BMW S14B23 engines, including the iconic E30 M3
    • Available through Turner Motorsport, ensuring quality products and expert support
    • Ideal for motorsport and high-performance street applications
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    JE Piston - Corporate Logo
    T#:33713160
    Part#: 321360S
    In Stock at Vendor
    $ 251.99 USD
    Free Shipping on orders $49 and up

    JE Pistons BMW S14B23 Piston 8.5:1 Compression – 94.20 mm Bore – 1.260 in. CH, -24.00 CC is the ultimate performance upgrade for enthusiasts looking to enhance their BMW S14B23 engine. Designed to deliver optimal performance and reliability, these pistons are perfect for anyone aiming for high horsepower while maintaining efficiency. Turner Motorsport offers these precision-engineered pistons that provide a perfect fit and maximum power.

    • Improved Performance: Increases horsepower and torque for an exhilarating driving experience.
    • Durable Construction: Made from high-quality materials to withstand extreme conditions and prevent failure.
    • Optimized Compression Ratio: 8.5:1 compression ratio enhances engine efficiency and performance.
    • Precision Fit: Custom-engineered to fit BMW S14B23 engines perfectly, ensuring easy installation.
    • Enhanced Engine Response: Delivers quicker throttle response for an engaging driving experience.

    Upgrade your BMW S14B23 engine with JE Pistons and experience the difference in power and performance.

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    Fuel Injector Clinic - Corporate Logo
    T#:6940363
    Part#: IS803-0775H
    Ships in 1 Business Day
    $ 410.00 USD
    Free Shipping
    $ 410.00 USD
    Free Shipping
    High performance fuel injectors featuring high impedance Bosch core, E85 compatible, with a lifetime warranty. This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and the results are provided on the Data Match Sheet providing the most complete flow matching and latency value information available in the industry today. Fuel Injector Clinic injectors are flow tested and rated at 43.5psi (3Bar) at 90deg F fuel temperature using CF-16B calibration fluid. A superior short pulse width control and state of the art matching make these injectors easy to tune and provide great drivability. Every injector is covered against failure caused by defects in original manufacture by a lifetime warranty.
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    Black Forest Industries - Corporate Logo
    T#:50934269
    Part#: BFI-BMW-TRANS-01
    Ships on Oct 20, 2026
    $ 69.99 USD
    Free Shipping on orders $49 and up
    This kit is a "must-have" for any E36, E46, or E9X owner looking to tighten up their drivetrain's foundation and ensure long-term mechanical reliability.
    AAF Oil Pan Baffle - E30 M5x
    For Vehicles with M50/M52/S50/S52
    Advanced Auto Fabrication - Corporate Logo
    T#:7593106
    Part#: 116182
    Ships in 3 Business Days
    $ 155.00 USD
    Free Shipping on orders $49 and up
    $ 155.00 USD
    Free Shipping on orders $49 and up
    Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. This oil pan baffle by AAF keeps the oil at the pick up better than others on the market. Baffling the oil pan is extremely important. Under racing and track conditions, oil can move in the oil pan enough to cause extended moments of oil starvation. This can cause premature, and in some cases immediate, engine failure. The pan features a tight fit to keep oil from exiting under braking or cornering. A must have for all track cars.
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    Vargas EWG Actuator To Garrett G25-G35 Housing Bracket - BMW EWG G25/...
    For vehicles with Electronic Waste Gate
    2X Entries Into Our F80 M3 Sweepstakes
    Vargas Turbo Technologies - Corporate Logo
    T#:51778114
    Part#: VTT-FAB-BMW-EWG-
    Ships in 10 Business Days
    New Item
    $ 79.99 USD
    Free Shipping
    $ 79.99 USD
    Free Shipping
    The Vargas EWG Actuator Bracket is the definitive solution for enthusiasts looking to merge BMW’s advanced factory EWG control with the high-performance capabilities of Garrett G-Series turbochargers.
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    JE Piston - Corporate Logo
    T#:33713146
    Part#: 312386S
    In Stock at Vendor
    $ 251.99 USD
    Free Shipping on orders $49 and up

    JE Pistons BMW S14B23 Piston - 13:1 Compression – 94.00 mm Bore – 1.260 in. CH, 3.40 CC is designed to elevate the performance of BMW S14 engines, delivering maximum power, reliability, and precision. These high-performance pistons are engineered specifically for motorsport enthusiasts and are a perfect fit for the iconic BMW E30 M3, providing a significant boost in horsepower and torque.

    Available through Turner Motorsport, these JE Pistons feature a 13:1 compression ratio and a 94.00 mm bore, optimizing combustion efficiency for enhanced throttle response. Built from forged materials, they are designed to withstand extreme conditions, ensuring durability and long-lasting performance under high stress on the street or track.

    Key Benefits:

    • 13:1 compression ratio for superior engine performance and power
    • 94.00 mm bore for optimized engine displacement and precision fitment
    • 1.260 in. compression height and 3.40 CC volume for enhanced combustion
    • Forged construction for maximum strength and durability
    • Specifically engineered for BMW S14B23 engines, including the E30 M3
    • Available through Turner Motorsport, providing trusted quality and expert support
    • Ideal for both street performance and motorsport applications
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    JE Piston - Corporate Logo
    T#:33713142
    Part#: 312385S
    In Stock at Vendor
    $ 251.99 USD
    Free Shipping on orders $49 and up

    JE Pistons BMW S14B23 Piston - 13:1 Compression – 93.80 mm Bore – 1.260 in. CH, 3.60 CC is engineered for high-performance BMW engines, delivering unmatched power and reliability for motorsport enthusiasts. These precision pistons are designed for the iconic BMW S14 engine, commonly found in the legendary E30 M3, enhancing performance with advanced materials and optimized compression ratios.

    Turner Motorsport offers these forged pistons for racers looking to maximize their engine's potential. The 13:1 compression ratio provides excellent throttle response, increased horsepower, and torque. Built for durability, JE Pistons ensure that your BMW engine runs efficiently under high-stress conditions on both the track and the street.

    Key Benefits:

    • Optimized 13:1 compression ratio for superior engine performance
    • High-strength forged construction for long-lasting durability
    • Designed for BMW S14B23 engines, including E30 M3
    • Enhanced bore and compression height for precision fitment
    • Increased horsepower and torque for motorsport applications
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    Black Forest Industries - Corporate Logo
    T#:50934264
    Part#: BFI-BMW-90-01
    Ships on Oct 20, 2026
    $ 199.99 USD
    Free Shipping on orders $49 and up
    Eliminate the "drive-line slop" common in the E36 and E46 chassis with this Stage 1 Engine Mount kit.

    JE Piston - Corporate Logo
    T#:33713149
    Part#: 321357S
    In Stock at Vendor
    $ 251.99 USD
    Free Shipping on orders $49 and up

    Key Benefits:

    • 8.5:1 compression ratio for optimal performance in turbocharged or high-boost setups
    • 93.60 mm bore for precise engine fitment and improved displacement
    • 1.260 in. compression height and -23.10 CC volume for efficient combustion
    • Forged construction for enhanced strength and resistance to high temperatures
    • Designed specifically for BMW S14B23 engines, including the E30 M3
    • Available through Turner Motorsport, a trusted source for BMW performance parts
    • Suitable for motorsport and high-performance street applications
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    Adjustable Hose Clamp - Priced Each
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:378848
    Part#: 25-40/9
    In Stock
    $ 3.11 USD
    Free Shipping on orders $49 and up

    For versatile hose fitting solutions, look no further than the Adjustable Hose Clamp. This essential tool offers a secure and adjustable grip for various hose sizes, ensuring leak-free connections in automotive, plumbing, and industrial applications. With its durable construction and user-friendly design, the Adjustable Hose Clamp is a must-have for any toolbox.

    • Provides secure and adjustable grip
    • Suitable for various hose sizes
    • Ensures leak-free connections
    • Ideal for automotive, plumbing, and industrial applications
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    Precision Raceworks - Corporate Logo
    T#:38161700
    Part#: 501-0115
    In Stock
    $ 169.99 USD
    Free Shipping on orders $49 and up

    Inline Fuel Filter AN8 Single In/Out - Universal Fitment | Precision Raceworks is a high-performance fuel filtration solution designed for BMW and other high-performance applications. This inline fuel filter ensures superior filtration, protecting your engine from contaminants that can compromise fuel system performance.

    Crafted from high-quality billet aluminum, the filter body is precision-machined for durability and reliability. Featuring AN8 female ORB fittings on each end, this universal-fitment filter integrates seamlessly into custom fuel setups, making it ideal for both street and track applications.

    • Precision-machined billet aluminum construction – Ensures strength, durability, and long-lasting performance
    • AN8 female ORB fittings – Compatible with a wide range of fuel system setups
    • High-flow filtration – Effectively removes contaminants to protect fuel injectors and engine components
    • Universal fitment – Ideal for custom fuel system configurations in BMW and other performance vehicles
    • Corrosion-resistant anodized finish – Provides excellent protection against fuel and environmental factors
    • Reliable and efficient fuel delivery – Supports high-performance and racing applications

    Note: Mounting hardware is not included.

    Ensure clean and efficient fuel delivery with the Inline Fuel Filter AN8 Single In/Out - Universal Fitment | Precision Raceworks, engineered for high-performance reliability.

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    Supertech - Corporate Logo
    T#:641013
    Part#: VS-VW7I
    Ships in 4 Business Days
    $ 0.99 USD
    Free Shipping on orders $49 and up
    Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 9.8mm/.385" Seal OD: 13.2mm/.520"
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    Precision Raceworks - Corporate Logo
    T#:38094338
    Part#: 201-0181
    Ships in 5 Business Days
    $ 17.99 USD
    Free Shipping on orders $49 and up
    This fitting allows you to terminate an AN-6 PTFE fuel line with a secure, leak-free 9.89mm male quick-connect, making it an ideal solution for upgrading or modifying fuel delivery systems in high-horsepower, E85, and race-fuel applications.
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    Precision Raceworks - Corporate Logo
    T#:38195421
    Part#: 601-0054
    Ships in 5 Business Days
    $ 14.99 USD
    Free Shipping on orders $49 and up
    The Black Market Parts Universal Fuel Pump Wiring Kit is a one-stop shop solution for anyone looking to add an additional fuel pump to their fuel tank. This compact kit provides 6 inches of 100% E85 compliant 12 gauge wiring so you don't have to buy complete spools of wire just to get the little wire you need to extend the pump harness. The kit also includes all hardware for bulk head style pass-through for power used by pump manufacturers around the world. Full stainless bulk head power posts make it easy to add pass-through power to any fuel pump
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    Precision Raceworks - Corporate Logo
    T#:38094325
    Part#: 201-0176
    Ships in 5 Business Days
    $ 14.99 USD
    Free Shipping on orders $49 and up
    This setup involves a PTFE AN6 fitting that connects to a 7.89mm male quick-connect (QC) fitting, commonly used in fuel or fluid systems. The PTFE hose offers excellent durability, with resistance to chemicals, heat, and pressure. The AN6 fitting ensures a secure connection, while the 7.89mm male QC fitting allows for fast, tool-free connections and disconnections. When choosing this fitting, ensure it's compatible with both your PTFE hose and system. Need help finding the right components?
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    Precision Raceworks - Corporate Logo
    T#:38161695
    Part#: 201-0360-RED
    Ships in 9 Business Days
    $ 5.99 USD
    Free Shipping on orders $49 and up
    Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Red in color and 12 Gauge.


    DeatschWerks - Corporate Logo
    T#:53891630
    Part#: 18U-09-0650-4
    Ships in 6 Business Days
    New Item
    $ 359.00 USD
    Free Shipping on orders $49 and up
    Bring modern fuel injection precision to your iconic classic engine with the DeatschWerks 650cc fuel injector kit.
    Precision Raceworks - Corporate Logo
    T#:38161738
    Part#: 201-0331
    In Stock
    $ 15.99 USD
    Free Shipping on orders $49 and up
    Convert your AN-8 ORB port to an AN-6 Male flare fitting with Viton O-Ring *O-Ring on AN6 side is only utilized if threading into ORB port