ECS for BMW Z4 M Roadster S54 (2003-2008)

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1.5mm X 51mm Metric Buna-N 70 O-ring
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ECS - Corporate Logo
T#:388889
Part#: N1.50X051
Ships Jul 2, 2025
Sale - Save 40% $ 6.99
$ 4.19 USD
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Sale - Save 40% $ 6.99
$ 4.19 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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2.25" (57mm) Exhaust Clamp - Priced Each
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T#:28570866
Part#: NBC225
Ships Jul 7, 2025
$ 22.99 USD
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For secure exhaust connections, choose the 2.25" (57mm) Exhaust Clamp.

Engineered for durability and reliability, this clamp ensures a tight seal for your exhaust system components. Its high-quality construction and corrosion-resistant finish provide long-lasting performance, even in harsh conditions. With easy installation and a precise fit, this exhaust clamp is a must-have for any vehicle owner.

  • Ensures a tight seal for exhaust system components
  • High-quality construction for durability
  • Corrosion-resistant finish for long-lasting performance
  • Easy installation for convenience
  • Precise fit for secure connections
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Conical Seat Wheel Bolt - 12x1.5x39mm - Priced Each
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T#:341158
Part#: B34
Ships Jul 11, 2025
Sale - Save 40% $ 6.99
$ 4.19 USD
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Sale - Save 40% $ 6.99
$ 4.19 USD
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Upgrade your vehicle's wheel hardware with the Conical Seat Wheel Bolt - 12x1.5x39mm. This high-quality wheel bolt is designed to provide secure and reliable attachment of the wheels to the hub, ensuring safety and stability on the road. Engineered with precision, this wheel bolt offers a perfect fit and easy installation. Enhance your driving experience with this premium conical seat wheel bolt.

  • Provides secure attachment of wheels to the hub
  • Ensures safety and stability on the road
  • Engineered with precision for perfect fit
  • Easy installation for convenient upgrade
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Conical Seat Wheel Bolt - 12x1.5x30mm - Priced Each
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T#:371955
Part#: B30
Ships Jul 15, 2025
Sale - Save 40% $ 4.99
$ 2.99 USD
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Sale - Save 40% $ 4.99
$ 2.99 USD
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Conical Seat Wheel Bolt - 12x1.5x30mm

Elevate your vehicle's performance and style with the Conical Seat Wheel Bolt - 12x1.5x30mm. Engineered for precision and durability, this wheel bolt ensures a secure fit for your wheels. Its conical seat design enhances wheel alignment and stability, providing optimal driving experience. Install these bolts effortlessly and enjoy a smoother, safer ride.

  • Precision-engineered for optimal performance
  • Durable construction for long-lasting reliability
  • Conical seat design enhances wheel alignment and stability
  • Easy installation process for convenience
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BMW Conical Seat Wheel Bolt - 12x1.5x47mm - Priced Each
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T#:372636
Part#: C17A50/47
Ships Jul 15, 2025
Sale - Save 35% $ 4.99
$ 3.24 USD
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Sale - Save 35% $ 4.99
$ 3.24 USD
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BMW Conical Seat Wheel Bolt - 12x1.5x47mm

Enhance your BMW's performance with the top-tier BMW Conical Seat Wheel Bolt - 12x1.5x47mm. Engineered with precision and designed for durability, this wheel bolt ensures a secure fit for your BMW vehicle. Invest in quality and elevate your driving experience with this premium BMW accessory.

  • Precision-engineered for BMW vehicles
  • Durable construction ensures long-lasting performance
  • Secure fit for enhanced safety and stability
  • Improves overall performance of the vehicle
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Downpipe To Cat-Back Reducer - Priced Each
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T#:22427013
Part#: 006555ECS06B
Ships on Aug 11, 2025
$ 37.99 USD
Free Shipping on orders $49 and up

Upgrade your exhaust system with the Downpipe To Cat-Back Reducer.

Engineered for optimal performance and durability, this reducer allows for seamless connection between your downpipe and cat-back exhaust system. Its high-quality construction ensures a tight seal, reducing exhaust leaks and enhancing overall exhaust flow. With easy installation and compatibility with various exhaust systems, this reducer is a must-have for any performance enthusiast.

  • Allows for seamless connection between downpipe and cat-back exhaust
  • High-quality construction for durability
  • Tight seal reduces exhaust leaks
  • Enhances overall exhaust flow
  • Easy installation and compatibility with various exhaust systems
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2 Pin Connector
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T#:33412932
Part#: 61132359999
Ships on Aug 11, 2025
Sale - Save 35% $ 9.99
$ 6.49 USD
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Sale - Save 35% $ 9.99
$ 6.49 USD
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Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.

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# 61132359999 - Commonly used for the coolant level sensor.

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
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ECS - Corporate Logo
T#:340681
Part#: 003402ECS06A-09
Ships on Aug 11, 2025
Sale - Save 40% $ 2.99
$ 1.79 USD
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Sale - Save 40% $ 2.99
$ 1.79 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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3 Pin Connector
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T#:33412947
Part#: 12521433916
Ships on Aug 11, 2025
Sale - Save 40% $ 9.99
$ 5.99 USD
Free Shipping on orders $49 and up
Sale - Save 40% $ 9.99
$ 5.99 USD
Free Shipping on orders $49 and up

Includes connector housing with terminals and seals. Commonly used for the crankshaft position sensor.

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# 12521433916 - Commonly used for the crankshaft position sensor.

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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3 Pin Connector
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ECS - Corporate Logo
T#:33412924
Part#: 12521433917
Ships on Aug 11, 2025
Sale - Save 25% $ 9.99
$ 7.49 USD
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Sale - Save 25% $ 9.99
$ 7.49 USD
Free Shipping on orders $49 and up

Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor.

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# 12521433917 - Commonly used for the camshaft position sensor.

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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3" To 2.5" Silicone Coupler 3" Length
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T#:363896
Part#: 003402ECS04A-02
Ships on Sep 24, 2025
Sale - Save 15% $ 9.99
$ 8.49 USD
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Sale - Save 15% $ 9.99
$ 8.49 USD
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3" To 2.5" Silicone Coupler 3" Length

Enhance the performance and durability of your BMW or MINI with the 3" To 2.5" Silicone Coupler 3" Length. This silicone coupler provides a reliable connection between components, ensuring optimal airflow and reducing the risk of leaks. Engineered for durability and heat resistance, it withstands high temperatures and harsh conditions. Upgrade your BMW or MINI with this premium silicone coupler for improved performance.

  • Reliable connection for optimal airflow
  • Reduces the risk of leaks for enhanced performance
  • Engineered for durability and heat resistance
  • Fits both BMW and MINI models
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Downpipe To Catback Reducer - Priced Each
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ECS - Corporate Logo
T#:587346
Part#: 006555ECS05A
Ships on Oct 7, 2025
$ 37.99 USD
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1/2"/12mm Band Hose Clamp - 90-110mm
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ECS - Corporate Logo
T#:377837
Part#: 003402ECS05A-13
Special Order: No Guaranteed ETA
Sale - Save 40% $ 6.99
$ 4.19 USD
Free Shipping on orders $49 and up
Sale - Save 40% $ 6.99
$ 4.19 USD
Free Shipping on orders $49 and up

Secure your hoses with the 1/2"/12mm Band Hose Clamp. This high-quality hose clamp ensures a tight and reliable seal for various applications. With its durable construction and easy installation, it's the perfect solution for securing hoses in automotive, industrial, and household settings. Say goodbye to leaks and enjoy peace of mind with this essential hose clamp.

  • Ensures a tight and reliable seal
  • Durable construction for long-lasting use
  • Easy installation for convenience
  • Suitable for automotive, industrial, and household applications
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2.25" To 2.5" Silicone Coupler - Each
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T#:28570862
Part#: 003402ECS04A-03
Special Order: No Guaranteed ETA
Sale - Save 40% $ 28.99
$ 17.39 USD
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Sale - Save 40% $ 28.99
$ 17.39 USD
Free Shipping on orders $49 and up

Upgrade your intake system with the 2.25" To 2.5" Silicone Coupler.

Engineered for durability and performance, this silicone coupler is the perfect solution for connecting components in your vehicle's intake or cooling system. With a smooth interior surface and reinforced construction, it ensures optimal airflow and prevents leaks. Enjoy easy installation and a secure fit, thanks to its flexibility and precision design. Enhance your vehicle's performance and reliability with this high-quality silicone coupler.

  • Durable silicone construction
  • Smooth interior surface for optimal airflow
  • Reinforced design prevents leaks
  • Flexible for easy installation
  • Precision-engineered for a secure fit
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BMW N54 ECS Exact-Fit High Flow Air Filter - Dry
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T#:28637273
Part#: 012054LA41-DRY
Special Order: No Guaranteed ETA
Sale - Save 20% $ 73.99
$ 59.19 USD
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Sale - Save 20% $ 73.99
$ 59.19 USD
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BMW N54 ECS Exact-Fit High Flow Air Filter - Dry

Enhance the performance of your BMW N54 engine with the BMW N54 ECS Exact-Fit High Flow Air Filter - Dry. This high flow air filter is designed to maximize airflow to the engine, improving horsepower and torque. Its dry filter media does not require oiling, reducing maintenance and the risk of over-oiling. Upgrade your BMW N54 with this exact-fit air filter for increased performance and engine efficiency.

  • Maximizes airflow to the engine for improved performance
  • Dry filter media eliminates the need for oiling
  • Reduces maintenance and risk of over-oiling
  • Exact-fit design ensures easy installation on BMW N54 engines
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ECS - Corporate Logo
T#:7514176
Part#: 011966LA07-08KT
Ships Jan 12, 2026
Sale - Save 3% $ 798.99
$ 775.02 USD
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Sale - Save 3% $ 798.99
$ 775.02 USD
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ECS UNIVERSAL Exhaust Tips - 3.5" Titanium - Burnt Finish

Upgrade the look of your BMW's exhaust system with the ECS UNIVERSAL Exhaust Tips - 3.5" Titanium - Burnt Finish. These titanium exhaust tips from ECS are designed to fit a variety of BMW models, providing several benefits for enhanced appearance and durability. Engineered with precision and quality in mind, they offer:

  • Unique burnt finish for a distinct look
  • Durable titanium construction for long-lasting performance
  • Easy installation with universal fitment
  • Enhanced exhaust aesthetics and style

Enhance the appearance of your BMW's exhaust system with these 3.5" titanium exhaust tips from ECS.

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BMW & MINI ECS UNIVERSAL Exhaust Tips - 3.5" Titanium - Burn...
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T#:7514175
Part#: 011966LA07-04KT
Ships Jan 12, 2026
Sale - Save 3% $ 406.99
$ 394.78 USD
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Sale - Save 3% $ 406.99
$ 394.78 USD
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BMW & MINI ECS UNIVERSAL Exhaust Tips - 3.5" Titanium - Burnt Finish - Pair

BMW & MINI ECS UNIVERSAL Exhaust Tips - 3.5" Titanium - Burnt Finish - Pair are the perfect upgrade for those seeking the most attractive exhaust tips on the market. Exclusively offered by Turner Motorsport, these tips feature a striking burnt-titanium-edge finish and a slant-cut, single-wall outlet for a stunning visual appeal. Engineered for durability, they include chrome-plated nuts, 304SS cap screws, and clamps.

Key Benefits:

  • Eye-catching burnt-titanium-edge finish
  • Durable construction with 304SS cap screws and clamps
  • Single-wall, slant-cut outlet for a sleek appearance
  • Universal fitment for BMW and MINI vehicles
  • Easy to install with basic modifications

Dimensions:

  • Inlet Size: 2.5"
  • Overall Length: 6.0" (4.5" Tip + 1.25" Clamping Surface)
  • Outlet Size: 3.5"
  • Outlet Style: Single Wall, Slant Cut

Modification may be required for proper fitment. This part is UNIVERSAL fitment, meaning not a direct fit to your vehicle. You must measure before ordering.

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3.0" OD Stainless Steel Straight Tube - 24" Length - Priced...
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T#:587276
Part#: 028092ECS06AKT
Ships Jan 26, 2026
Sale - Save 30% $ 45.99
$ 32.19 USD
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Sale - Save 30% $ 45.99
$ 32.19 USD
Free Shipping on orders $49 and up

3.0" OD Stainless Steel Straight Tube - 24" Length is the perfect choice for automotive enthusiasts seeking durable and versatile tubing. Constructed from high-quality stainless steel, this straight tube offers superior corrosion resistance and longevity. With its 24-inch length and 3.0-inch outer diameter, it provides ample flexibility for various exhaust and fabrication projects.

  • High-quality stainless steel construction for durability
  • Superior corrosion resistance for longevity
  • 24-inch length offers ample flexibility
  • 3.0-inch outer diameter suitable for various exhaust and fabrication projects
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