ECS for BMW E46 M3 S54 (1999-2005)

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BMW E46 M3 Teflon Shifter Bushing Kit
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T#:369437
Part#: 2511-002
In Stock
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$ 59.24 USD
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Enhance the shifting experience of your BMW E46 M3 with the BMW E46 M3 Teflon Shifter Bushing Kit. This high-quality bushing kit is designed to reduce play and improve precision in the shifter mechanism, resulting in smoother and more accurate shifts. Engineered specifically for BMW E46 M3 models, this kit offers easy installation and durable performance. Upgrade your BMW's shifting performance with this premium Teflon shifter bushing kit.

  • Reduces play in the shifter mechanism
  • Improves shifting precision for smoother and more accurate shifts
  • Engineered specifically for BMW E46 M3 models
  • Easy installation for convenient upgrade
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ECS - Corporate Logo
T#:378331
Part#: 002542ECS01KT
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$ 404.48 USD
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Elevate Your BMW's Performance with ECS Tuning's Ultimate Performance Rear Shock Mount Kit

ECS Tuning presents the Ultimate Performance Rear Shock Mount Kit, specifically designed to address recurring rear shock mount blowouts experienced by various BMW models, including the M3 and non-M 3 Series dating back to the E30 chassis in 1984. This innovative kit provides a long-term solution, ensuring optimal damper performance and longevity while eliminating rear clunking noises and handling issues caused by blown shock mounts.

Key Benefits:

  • Solves rear shock mount blowout issues on BMW models
  • Allows full articulation of rear dampers for improved performance
  • Industry-first design with PTFE lined stainless steel monoball spherical bearing
  • 80A polyurethane isolation bushings reduce noise, vibration, and harshness (NVH)
  • Lower dust seal enhances bearing life by preventing road debris ingress
  • Corrosion-resistant anodized 6061-T6 construction for durability
  • Compatible with 10mm, 12mm, or 14mm damper shafts

Upgrade your BMW's rear shock mounts with ECS Tuning's Ultimate Performance Rear Shock Mount Kit, providing superior performance, reduced NVH, and increased bearing longevity for a more controlled and comfortable ride.

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ECS - Corporate Logo
T#:583086
Part#: 006555ECS04A01KT
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$ 132.58 USD
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Looking for the most attractive and adjustable tip on the market? Look no further than our ECS Swivel Exhaust Tips!

ECS Performance Adjustable Coilover System - E46 M3
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T#:638473
Part#: 029308ECS01
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$ 779.99 USD
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The ECS Tuning Performance Coilover System provides a sport-tuned, height, damping, and body adjustable suspension with substantial performance benefits using high-quality materials and coatings to replace your worn suspension, all while giving your vehicle that perfect ride height!
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ECS - Corporate Logo
T#:17704874
Part#: 34212229379-XS
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$ 367.18 USD
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Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. ECS has done it again, this time with the most advanced brake rotor yet - the 5th generation of high-performance brake rotors specifically designed for German cars. With each new generation iterative improvements have been made to enhance the overall braking performance, durability, and reliability of these rotors. The V5 cross drilled and slotted rotor design offers even greater heat dissipation and improved wet-weather performance as compared with a slotted rotor, making it an ideal choice for high-performance driving enthusiasts. The 5th generation slotted brake rotor also features a sleek black zinc coating for a clean, contemporary look as well as superior corrosion protection versus an uncoated or black oxide coated rotor. Crafted from high-quality materials, ECS brake rotors are engineered to withstand the rigors of high-performance driving. The precise machining and finishing ensure optimal rotor balance and minimize vibration, resulting in a smooth and consistent braking experience. Whether you're a weekend warrior or a daily driver, ECS 5th generation brake rotors are sure to provide you with the stopping power, durability, and reliability you need to confidently tackle any driving situation. Upgrade your braking performance today!
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ECS Exact-Fit High Flow Air Filter - Oiled
10X Entries Into Our F80 M3 Sweepstakes
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T#:5082383
Part#: 012054LA08-OIL
In Stock
Sale - Save 25% $ 71.99

This product was last offered at the strikethrough price on
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$ 53.99 USD
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Ultimate ECS Tow Hook Mount License Plate Kit
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:395893
Part#: 001912ECS04-03KT
In Stock
$ 133.99 USD
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$ 133.99 USD
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Ultimate ECS Tow Hook Mount License Plate Kit: Enhance Your BMW's Appearance

  • Provides a sleek and secure mounting solution for the front license plate
  • Prevents drilling into the bumper, preserving the vehicle's aesthetics
  • Adjustable design fits a wide range of BMW models
  • Easy to install with included hardware

Upgrade your BMW's appearance with the Ultimate ECS Tow Hook Mount License Plate Kit. This kit offers a sleek and secure mounting solution for the front license plate, preventing the need for drilling into the bumper and preserving the vehicle's aesthetics. The adjustable design ensures compatibility with a wide range of BMW models, making it a versatile choice for BMW enthusiasts. Installation is easy with the included hardware, allowing you to enhance your BMW's appearance in no time.

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ECS Performance Clutch Kit & Single-Mass Flywheel Conversion - E46 M3...
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10X Entries For Our Spin To Win Sweepstakes!
ECS - Corporate Logo
T#:36100116
Part#: 053971LA03
In Stock
Sale - Save 5% $ 789.99

This product was last offered at the strikethrough price on
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Starting at $ 750.49 USD
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From the factory, the E46 M3 featured a dual-mass flywheel and self-adjusting clutch kit. While this provided an easy, comfortable driving experience, it lacks the durability and performance features of an upgraded clutch and flywheel kit. ECS Tuning's all-new S54 performance clutch kit is designed to address these issues. Featuring a full-face clutch disc and heavy-duty pressure plate, this kit offers increased power-holding capability, exceptional pedal feel, and superior durability.

The factory dual-mass flywheel weighs 24.2 lbs. This heavyweight component favors dampened vibrations and smooth gear changes—not performance. The 16.5 lb. E34 M5 flywheel designed by ECS omits the bulky dual-mass design for a single-mass, chromoly steel flywheel. For the performance-minded enthusiast, this translates to quicker RPM changes, easier "heel-toe" downshifts, and improved acceleration.

Engineered in-house with the enthusiast in mind, this is the perfect option for those wanting a lightweight flywheel and performance clutch, without the heavy pedal feel commonly associated with aggressive clutch kits. The ECS S54 performance clutch and lightweight flywheel are designed to accommodate all conditions: from Sunday drives through the country to the abuse of the track. No matter your driving style or ability, this is the flywheel and clutch kit for you.

PART DESIGN

ECS S54 Performance Clutch Kit:

Compatible with any performance flywheel that is designed to accept an E34 M5 architecture clutch Sprung-hub clutch disc Includes ECS performance pressure plate, performance clutch disc, throwout bearing, pilot bearing, alignment tool, and all flywheel and pressure plate hardware ECS Single-Mass Lightweight Flywheel:

Eliminates the factory dual-mass flywheel for: Improved throttle response Improved acceleration Lower replacement cost Hardened 4140 Chromoly Steel for excellent engagement feel and wear resistance Zinc-plated for added corrosion resistance Weighs in at just 16.5 lbs! SFI tested and certified to ensure safe operation under all conditions Why is SFI testing and certification important?

The SFI Foundation, Inc. (SFI) is a non-profit organization established to issue and administer standards for the quality assurance of specialty performance and racing equipment. SFI certification indicates a flywheel has been certified using industry-standard SFI Spec 1.1 standards by an independent testing body to ensure the quality of both design and materials for flywheels utilized in competitive motorsports.

Having successfully passed SFI certification, this flywheel has an individual SFI serial number found in a laser etching, and on an affixed sticker. This certification means the ECS-engineered flywheel is safe and reliable during the rigors of competitive racing; it's also safe and reliable for years and years of street use.

PRODUCT DEVELOPMENT

This Performance Clutch Kit & Lightweight Flywheel was designed, engineered, tested, and quality inspected by the ECS Research and Development team. ECS Tuning strives for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing an in-house 3D printer, and rigorous long-term product testing.

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ECS Performance Flywheel & Performance Organic Clutch Kit - E46 M3 ...
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ECS - Corporate Logo
T#:25540329
Part#: 000282ECS01KT2
In Stock
Sale - Save 20% $ 1,408.99

This product was last offered at the strikethrough price on
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$ 1,127.19 USD
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For Manual Transmission Only, Not recommended for use with SMG transmission Experience sharper shifts, lightning-fast throttle response, and enhanced durability with the ECS S54 Performance Clutch Kit and Lightweight Flywheel—a must-have upgrade for enthusiasts pushing their BMW to the limit. Whether you're carving up backroads, dominating track days, or simply looking for a more engaging daily drive, this kit delivers unparalleled performance. Precision-Engineered ECS Lightweight Flywheel Designed as a direct replacement for the heavy dual-mass flywheel, this lightweight alternative shaves weight without sacrificing drivability. The result? A quicker-revving engine, enhanced acceleration, and seamless downshifts. Tested on an otherwise stock E36 328i, we recorded a 0.4-second improvement in 0-60 times! Weighs Just 16.5 lbs – Reduces rotating mass for sharper response SFI Certified – Track-proven durability and safety Stronger Than OEM – Built from hardened 4140 Chromoly steel for extreme resilience Corrosion-Resistant Zinc Coating – Withstands harsh conditions for longevity ECS Performance Clutch Kit – Built for Engagement Paired with the ECS lightweight flywheel, this clutch kit ensures a consistent pedal feel, stronger engagement, and smoother operation under aggressive driving conditions. Organic Clutch Disc – Performance-focused while maintaining street drivability High-Torque Pressure Plate – Delivers optimal clamping force for spirited driving Complete Installation Kit – Includes all necessary hardware for a hassle-free swap Kit Contents: ECS E34 M5 Architecture Lightweight Single-Mass Flywheel ECS Performance Organic Clutch Kit Flywheel Bolts (8) Pressure Plate Screws (6) Clutch Alignment Tool Pilot Bearing & Throwout Bearing SFI Certification – Why It Matters Certified to SFI Spec 1.1 standards, this flywheel has undergone rigorous independent testing to meet the highest industry benchmarks for motorsports safety and reliability. Each unit is laser-etched with a unique serial number, ensuring you receive a track-ready, street-proven component that withstands extreme performance demands. Whether you're chasing lap times or elevating your daily driving experience, the ECS S54 Performance Clutch Kit & Lightweight Flywheel is the upgrade your BMW deserves. Single Mass Flywheel Conversion: Audible chatter from the transmission after installation is considered normal. As with most single mass flywheels, there is less dampening in the flywheel to reduce "gear noise." This chatter noise may be more present when the transmission fluid temperatures are hotter and may be intensified by other modifications. Most gearboxes will experience some chatter noise at hotter temperatures. Please be advised that this noise will disappear once the clutch pedal is depressed. This symptom may be lessened by adjusting transmission fluid weight, turning off electrical/driveline consumers (A/C, High Beams, ETC.), and by raising the RPM slightly.
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5x120 To 5X114.3 Wheel Adapter Pair - 25mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:7068716
Part#: 043319LA025-34KT
Ships on Sep 30, 2026
$ 197.99 USD
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$ 197.99 USD
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Titanium Conical Seat Wheel Bolt - 12x1.5x26mm - Set Of 10
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:28371263
Part#: 025384ECS04-0110
In Stock
Sale - Save 20% $ 180.99

This product was last offered at the strikethrough price on
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$ 144.79 USD
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This product was last offered at the strikethrough price on
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$ 144.79 USD
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Titanium Conical Seat Wheel Bolt - 12x1.5x26mm - Set Of 10

Upgrade your BMW's wheel setup with the Titanium Conical Seat Wheel Bolt - 12x1.5x26mm - Set Of 10. These high-quality wheel bolts are meticulously designed for BMW vehicles, providing both style and functionality. Engineered with precision and durability in mind, they offer several benefits:

  • Lightweight titanium construction reduces unsprung weight
  • Corrosion-resistant for long-lasting performance
  • Precise conical seat design ensures proper wheel fitment
  • Set of 10 bolts for complete wheel installation

Enhance your BMW's performance and aesthetics with this set of titanium wheel bolts.

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BMW E46 M3 ECS Silicone Hose Kit
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:393964
Part#: 003631ECS01KT
In Stock
Sale - Save 25% $ 364.99

This product was last offered at the strikethrough price on
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$ 273.25 USD
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BMW E46 M3 ECS Silicone Hose Kit: Upgrade Your BMW's Cooling System

  • Enhances durability and longevity
  • Resistant to high temperatures and pressure
  • Improves coolant flow for better engine cooling
  • Easy to install with no modifications required

Upgrade your BMW's cooling system with the BMW E46 M3 ECS Silicone Hose Kit. This kit is designed to enhance durability and longevity compared to OEM rubber hoses. Constructed from high-quality silicone, these hoses are resistant to high temperatures and pressure, ensuring reliable performance under demanding conditions. Additionally, they improve coolant flow for better engine cooling, resulting in improved overall performance. Installation is easy and straightforward, with no modifications required, making it a convenient upgrade for BMW enthusiasts.

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ECS Tuning CSL Carbon Fiber Front Lip - E46 M3
10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
ECS - Corporate Logo
T#:394379
Part#: CARB-FL-04C
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ECS Tuning's E46 M3 CSL One Piece front lip gives you the look of a true CSL M3 without the high cost. This piece is made from full carbon fiber and will fit OEM M3 and exact replica front bumpers.
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CSL Style Carbon Fiber Diffuser
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:391782
Part#: E46CSLCFDIFF
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Half carbon diffuser to complete your CSL look
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T#:384671
Part#: 001202ECS03LKTKT
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Experience the ECS Tuning Wheel Spacer Fitment Kit Rent & Return Program

Explore the ECS Tuning Wheel Spacer Fitment Kit Rent & Return program, designed for Euro vehicles, offering the flexibility to experiment with wheel spacers hassle-free. Test fit various thickness spacers and bolt patterns to optimize your wheel fitment without commitment.

  • Easy FedEx return with included shipping label (available for contiguous US customers)
  • Receive a $110.00 account credit upon returning the complete fitment kit
  • Contains 5 different thickness spacers for test fitting
  • Accommodates 5 different bolt patterns: 4X100, 5X100, 5X112, 5X120, 5X130mm
  • Each kit includes various nuts and studs for compatibility with different applications
  • Designed for test fitting purposes only; cannot be used for driving

*$110.00 account credit will be applied on receipt of complete, serviceable Wheel Spacer Fitment Kit. Partial credit may be issued in the event of an incomplete kit.

**Vehicles with pre-installed wheel studs or stud conversions will need studs removed before test-fit as the spacers do not have all lug holes available**

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1/2-inch Drive VANOS Flush-Cut 17mm & 18mm Sockets
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:398953
Part#: 012016ECS0KTKT
In Stock
Sale - Save 3% $ 67.99

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2.5" OD Stainless Steel "U-J Bend" - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:22756729
Part#: 028092ECS03AKT
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$ 44.64 USD
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2.5" OD Stainless Steel "U-J Bend"

Revamp your BMW's exhaust system with the 2.5" OD Stainless Steel "U-J Bend". This high-quality "U-J Bend" is specifically designed for BMW vehicles, offering several advantages for improved exhaust performance and durability. Engineered with precision and quality in mind, it provides:

  • Durable stainless steel construction ensures longevity and reliability
  • "U-J Bend" design facilitates smooth exhaust flow
  • Easy installation with a 2.5" outer diameter
  • Compatible with various BMW models

Upgrade your BMW's exhaust system with this stainless steel "U-J Bend".

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ECS Tuning Swivel Exhaust Tip - 4.0" Chrome - BMW & MINI
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:383385
Part#: 003358ECS03A01
In Stock
Sale - Save 5% $ 113.99

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$ 108.29 USD
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Looking for the most attractive and adjustable tip on the market? Look no further than our ECS Swivel Exhaust Tips!

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T#:8138616
Part#: 013903LA
In Stock
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Maximize rear tire contact with our in-house engineered, adjustable Carbon Fiber Rear Wing
BMW E30 E36 Wheel Stud Conversion Kit - Full Set
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:2810080
Part#: PRA75CH5KT2
In Stock
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$ 187.14 USD
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Revamp Your BMW's Wheel Setup with a Comprehensive Wheel Stud Conversion Kit - Full Set

  • Enhances safety and reliability on the road
  • Simplifies wheel changes and maintenance procedures
  • Provides a secure and durable mounting solution
  • Reduces the risk of stripped lug nuts or studs

Upgrade your BMW's wheel configuration effortlessly with the Wheel Stud Conversion Kit - Full Set. This comprehensive kit not only boosts safety and reliability on the road but also streamlines wheel changes and maintenance tasks. It offers a secure and durable mounting solution, ensuring that your wheels stay firmly in place at all times. Say goodbye to the hassle and risk of stripped lug nuts or studs with this all-inclusive wheel stud conversion kit.

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Titanium Conical Seat Wheel Bolt - 12x1.5x40mm - Set Of 10
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:584238
Part#: 025384ECS04-0310
In Stock
Sale - Save 20% $ 208.99

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$ 167.19 USD
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Titanium Conical Seat Wheel Bolt - 12x1.5x40mm - Set Of 10

Upgrade your BMW's wheel setup with the Titanium Conical Seat Wheel Bolt - 12x1.5x40mm - Set Of 10. These high-quality wheel bolts are meticulously crafted for BMW vehicles, offering both style and functionality. Engineered with precision and durability in mind, they provide several benefits:

  • Lightweight titanium construction reduces unsprung weight
  • Corrosion-resistant for long-lasting performance
  • Precise conical seat design ensures proper wheel fitment
  • Set of 10 bolts for complete wheel installation

Enhance your BMW's performance and aesthetics with this set of titanium wheel bolts.

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BMW Conical Seat Locking Wheel Bolt Kit
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:384178
Part#: 003901ECS47BM
In Stock
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BMW Conical Seat Locking Wheel Bolt Kit

Elevate your BMW's wheel security with the top-notch BMW Conical Seat Locking Wheel Bolt Kit. This kit provides enhanced protection and peace of mind for your BMW's wheels. Here are the key benefits:

  • Securely locks wheels in place to deter theft
  • Precision-engineered conical seat design ensures a snug fit
  • High-quality construction for durability and longevity
  • Easy to install and remove with included key

Upgrade your BMW's wheel security with the BMW Conical Seat Locking Wheel Bolt Kit.

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1/2-inch Drive 18mm VANOS Flush-Cut Socket
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:394202
Part#: 012016ECS03A
In Stock
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$ 32.08 USD
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Rear V5 Plain Brake Rotors - Set (328x20)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:17704879
Part#: 34212229379-P
In Stock
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Precision manufactured and featuring a GeoSpec® corrosion-resistant coating ECS has done it again, this time with the most advanced brake rotor yet - the 5th generation of high-performance brake rotors specifically designed for German cars. With each new generation iterative improvements have been made to enhance the overall braking performance, durability, and reliability of these rotors. The V5 plain rotor design is perfect for daily drivers looking for a reliable and affordable brake rotor option and features a durable GeoSpec® silver-colored coating, which offers superior corrosion protection versus a painted or zinc coated rotor. This coating also eliminates the light oiling many manufactures utilize to avoid flash rust while rotors are stored or in transit: this means there's no cleaning or scuffing required to install ECS V5 plain rotors, making brake services quicker than that with uncoated rotors. Crafted from high-quality materials, ECS V5 brake rotors are engineered to withstand the rigors of high-performance driving. The precise machining and finishing ensure optimal rotor balance and minimize vibration, resulting in a smooth and consistent braking experience. Whether you're a weekend warrior or a daily driver, ECS 5th generation brake rotors are sure to provide you with the stopping power, durability, and reliability you need to confidently tackle any driving situation. Upgrade your braking performance today!
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ECS Carbon Fiber Universal Swivel Exhaust Tips - 3.5" - Pair ...
Not vehicle specific. You MUST measure prior to purchasing!
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:638333
Part#: 004735LA02KT
In Stock
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$ 296.80 USD
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ECS - Corporate Logo
T#:383386
Part#: 003358ECS03A02
In Stock
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$ 110.57 USD
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Looking for the most attractive and adjustable tip on the market? Look no further than ECS Swivel Exhaust Tips!
ECS Tuning Swivel Exhaust Tip - 3.5" Chrome - BMW & MINI
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:383053
Part#: 006555ECS04A01
In Stock
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$ 66.29 USD
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Looking for the most attractive and adjustable tip on the market? Look no further than our ECS Swivel Exhaust Tips!

Featuring a unique swivel collar design that allows the tip to be adjusted in any direction to achieve that perfect fitment. Simply adjust the tip to your desired position and tighten the hex bolt to 14 ft-lbs (19 Nm) and the tip will stay where positioned.

Every ECS Exhaust Tip comes with a precision laser etched ECS Tuning logo and features a slant cut, double wall, rolled edge for a stunning appearance! These are engineered to last, featuring chrome plated nuts, 304SS cap screw, clamp, insert ring and exhaust tip.

Available in 3.5" or 4.0" outlet and chrome or black chrome finish.

Dimensions:

Inlet Size: 2.50"
Overall Length: 7.0"
Outlet Size: 3.50"
Outlet Style: Double Wall, Rolled Edge, Slant Cut
**Modification may be required for proper fitment.**

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ECS - Corporate Logo
T#:587353
Part#: 028092ECS01AKT
In Stock
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$ 32.24 USD
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If you're looking to fabricate your custom exhaust project and need quality, price-friendly options, then we have you covered with our ECS Tuning Universal Exhaust catalog! These select items feature the same premium benefits as our In-House Engineered Exhaust Systems so you can be confident in their quality and longevity!

PART DESIGN

  • Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish
  • 2.50" outside diameter (OD)
  • 1.5mm (.060") wall thickness tubing for durability
  • Overall Length (OAL) is approximately 24.00"

PRODUCT DEVELOPMENT

Throughout our development process of our In-House Engineered Exhaust Systems, we have developed top-tier exhaust components, direct-fit to specific European applications. We want to offer the same great quality items to our customers who want to fabricate their own custom-exhaust project, so now you can make it your own!

INSTALLATION AND SUPPORT

  • These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required.
  • Since these are brushed for a high-quality appearance, special prep/clean procedures must be adhered to for proper welding.
  • Install photos depict possible usage of our Universal Exhaust Components. Only contains the item listed above.
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ECS Street Flow Rear Diffuser - E46 M3
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:20815172
Part#: 047616LA01KT
Ships in 3 Business Days
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$ 442.84 USD
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ECS Exclusive Proudly Offered at Turner Motorsport!

Add-on diffuser to deliver a true motorsport look to your M3. Fastened seamlessly to the bottom of the rear bumper giving a platform to show off your exhaust and complete the rear end of the E46.

The E46 M3 is an amazing looking car right out of the box but a common BMW issue is the height of the front vs rear bumpers. As far back as the E30, the front bumper is much lower than the rear bumper and the E46 M3 faces the same issue. With this problem the front bumper is always super low to the ground and the rear bumper looks in-complete. The ECS add-on diffuser is a unique option for balancing out the rear bumper with the height of the front bumper for a full and complete look.

Give your M3 that wild style that stands out from the crowd, and obtain a nice balanced look. This is just the start of a new line of Street Flow Diffusers diffusers that are a must have extension of your awesome ride. The diffusers come powder coated in a sleek satin-black finish, are a blast to install and fit seamlessly against the rear bumper for a professional looking install every time. The Street Flow diffuser attaches below your factory rear diffuser and exhaust of your choosing to fill out the rear end for a nice full and aggressive styling profile.

Lets take a trip together down a new and unique path. Over the years ECS has designed factory replacement ABS and Carbon Fiber diffusers for all different models of BMW's. For the factory replacements ECS focus was to take the oem characteristics and add a twist and really bring out a more aggressive look with a direct replacement diffuser. For their new line of diffusers, us as car enthusiasts wanted to design a set of diffusers that really pushed the envelope and stepped outside of our comfort zone. Our new line of add-on diffusers is a result of our engineering team and fellow enthusiasts spending time study the M3 chassis, modeling different designs, testing prototypes and making changes to get a final product that we are extremely excited to offer. The E46 M3 Street Flow Diffuser is the first in our line of new diffusers. Stay tuned for the E36 M3 and the E92 M3 diffusers next!

Features:

Adds an aggressive aesthetic in addition to the subtle factory rear diffuser
Lightweight and durable 10ga aluminum in satin black powder coat to blend with the factory trim color
Installation is secure and simple with ample adjustability built in for perfect fitment
Design:

10 ga 5052 aluminum construction
Black satin powder coat for long term corrosion resistance
5 piece design to simplify installation
Slotted mounting locations to allow for mounting adjustment
Laser cut ECS logo pre powder coat for a smooth finish
Hidden hardware for better aesthetic

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ECS - Corporate Logo
T#:21209855
Part#: 044081LA01
In Stock
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Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.

Universal Throttle Body Coupler - 45 Degree 2.5" (63.50mm)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:382969
Part#: 003402ECS03A-16
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Elevate your BMW project with ECS Tuning silicone couplers and elbows, providing a high-quality, precision-engineered solution for various applications. Whether you're installing an intercooler, fabricating a custom intake system, or pursuing other automotive projects, ECS Tuning delivers reliable performance and durability. Trust ECS Tuning to meet your needs and enhance your BMW project.

  • High-quality silicone couplers and elbows for BMW projects
  • Precision-engineered for reliability and performance
  • Versatile solution for intercooler installations, custom intake systems, and more
  • Ensures durability and longevity for your automotive projects
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ECS - Corporate Logo
T#:28637310
Part#: 025384ECS04-0220
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Upgrade the wheel hardware of your BMW with the BMW Titanium Conical Seat Wheel Bolt - 12x1.5x35mm - Set Of 20. This comprehensive set of titanium wheel bolts is designed to enhance both the aesthetics and performance of your BMW. Engineered specifically for BMW models, these conical seat wheel bolts offer superior strength and durability compared to traditional steel bolts. Elevate the style and functionality of your BMW with this premium titanium wheel bolt set.

  • Enhances the aesthetics and performance of your BMW
  • Superior strength and durability compared to traditional steel bolts
  • Engineered specifically for BMW models
  • Set of 20 bolts ensures complete wheel installation
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ECS DD23 "Daily Driver" Ceramic Rear Brake Pad Set
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ECS - Corporate Logo
T#:30629602
Part#: DD23-683
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From years of European automotive experience, the enthusiasts at ECS Tuning have developed a strong understanding of what it takes to produce a high-quality brake pad. After thousands of miles and many different pad compounds, they've landed on the ideal blend for the new DD23 "Daily Driver" brake pad! This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro!

If you find yourself “pumping the brakes” over the brake pad selection process for your daily driver, your answer is this DD23 pad. This is the one!

As a team of enthusiasts who own all types of European cars, we have the advantage of the exposure that comes with the enthusiast lifestyle - and have a strong understanding of what makes a great brake pad. In the pursuit of a really great brake pad for daily driving, we’ve tested a wide range of brake pads. After thousands of test miles, iterating through a variety of pad compounds, we’ve landed on the ideal blend for our DD23 Daily Driver ceramic pad.

Features:

Good stopping power - Brake pads need to stop your car, period, so this is key. We focused on selecting a compound that offers a healthy level of friction (both when hot and when cold) for safe, positive stopping power.

Positive initial bite - You should feel your brakes engage as you press the pedal, but it should not feel like an on/off switch! Advanced ceramic composition means you’ll enjoy a smooth transition on and off of the brake pedal, meaning your passengers will have a comfortable ride in stop-and-go traffic. We’ve hit a good balance here.

Very low-dust - Some factory-installed pads are eye-poppingly dusty, which is a no-go for us. Thanks to the composition of this ceramic pad, which is copper-free and contains a negligible amount of other metals, dust is both lighter in color and very limited in amount. We’ve improved on the “dust factor” without sacrificing on bite and stopping power as a good compromise, which will be a win for anyone who doesn’t detail daily (or anyone who does, too!)

Quiet braking - It’s not a race pad, so it shouldn’t squeal like one. Extremely low metallic composition means they will not squeal. DD23 is comfortable and quiet - both on the ears and in lack of vibration transmitted through the cabin.

Long life - This should be an obvious one. Your daily driver pads should last and last, so that was key in selecting our ideal compound. This is another benefit to having ceramic material composition versus a softer organic pad (which have higher metallic and various organic elements) and wear much faster. Ours are kind to rotors, too (no accelerated wear characteristics) for many miles of motoring.

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BMW Wheel Stud Conversion Kit - Half Set
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:379986
Part#: PRACH5KT6
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BMW Wheel Stud Conversion Kit

Upgrade your BMW's wheel setup with the BMW Wheel Stud Conversion Kit. This high-quality kit allows for easy conversion from lug bolts to wheel studs, providing enhanced durability and convenience. Here are the key benefits:

  • Allows for quicker and easier wheel changes
  • Reduces the risk of cross-threading during installation
  • Improves wheel fitment and alignment
  • Enhances safety by providing a more secure wheel mounting solution

Enhance the performance and safety of your BMW with the BMW Wheel Stud Conversion Kit.

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ECS - Corporate Logo
T#:7953013
Part#: 003358ECS07-01
In Stock
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ECS - Corporate Logo
T#:4840537
Part#: 003675ECS02AKT
In Stock
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$ 55.49 USD
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ECS Swivel Exhaust Tip - 3.5" Carbon Fiber - Priced Each
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ECS - Corporate Logo
T#:637273
Part#: 004735LA02
In Stock
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Looking for the most attractive and adjustable tip on the market? Look no further than the ECS Swivel Exhaust Tips! Featuring a unique swivel collar design that allows the tip to be adjusted in any direction to achieve that perfect fitment. Simply adjust the tip to your desired position and tighten the hex bolt to 14 ft-lbs (19 Nm) and the tip will stay where positioned. This ECS Exhaust Tip comes with a matte clear coated ECS Tuning vinyl logo and features a slant cut, single wall stainless steel, rolled carbon fiber edge for a stunning appearance! These are engineered to last, featuring chrome-plated nuts, 304SS cap screw, clamp and insert ring. Dimensions: Inlet Size: 2.5" Overall Length: 5.9" ( 4.72" Tip + 1.18" Clamping Surface) Outlet Size: 3.5" Outlet Style: Single Wall Stainless, Rolled Carbon Edge, Slant Cut **Modification may be required for proper fitment. This part is UNIVERSAL fitment, meaning not direct fit to your vehicle. You must measure before ordering.**
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Carbon Fiber UNIVERSAL Swivel Exhaust Tips - 4.0" - Pair
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:638332
Part#: 004735LA01KT
In Stock
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Carbon Fiber UNIVERSAL Swivel Exhaust Tips - 4.0" - Pair are designed to provide a stunning, adjustable upgrade for any vehicle. These high-quality exhaust tips feature a unique swivel collar design, allowing them to be adjusted in any direction for the perfect fitment. Simply position the tip to your desired angle and secure it with a hex bolt tightened to 14 ft-lbs (19 Nm), ensuring it stays in place.

  • Customizable Fitment: The swivel collar design allows for versatile adjustment, ensuring a perfect alignment with your vehicle's exhaust system.
  • Premium Materials: Constructed with single wall stainless steel and a rolled carbon fiber edge for a high-end look and durability.
  • Durable Construction: Includes chrome-plated nuts, 304SS cap screw, clamp, and insert ring for long-lasting performance.
  • Sleek Appearance: Features a slant cut and matte clear coated ECS Tuning vinyl logo for a stylish finish.
  • Universal Fitment: Designed to fit various vehicles; modification may be required for proper fitment.

Dimensions:

  • Inlet Size: 2.5"
  • Overall Length: 6.0" (5.0" Tip + 1.0" Clamping Surface)
  • Outlet Size: 4.0"
  • Outlet Style: Single Wall Stainless, Rolled Carbon Edge, Slant Cut
  • Sold as a Pair: Includes 2 tips.
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E46 Fog Light Inserts - carbon fiber
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:380381
Part#: 008002ECS09A
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Elevate your BMW's fog lights with fresh fog light inserts by ECS Tuning, designed to revamp the stock trim. These inserts promise a visual transformation, elevating your fog lights' appeal and reigniting your passion for your BMW. It's a subtle change that makes a big statement.
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ECS - Corporate Logo
T#:384174
Part#: 003901ECS28BM
In Stock
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$ 61.49 USD
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Safeguard your valuable BMW wheels from potential theft using ECS Tuning Wheel Lock sets, providing additional peace of mind without necessitating expensive alterations. These wheel locks, replacing one wheel bolt, come equipped with a special socket tool for straightforward removal, ensuring the security of your prized wheels.

  • Safeguards expensive wheels from theft
  • No need for costly alterations
  • Each set includes a special socket tool for easy removal
  • Factory bolt length (28mm) with conical seat design for compatibility with most aftermarket wheels
  • Caution: Avoid overtightening or using air tools
  • Lock keys designed for a specific bolt orientation
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BMW Conical Seat Locking Wheel Bolt Kit
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:384175
Part#: 003901ECS35BM
In Stock
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Elevate your BMW's security with the BMW Conical Seat Locking Wheel Bolt Kit. This comprehensive kit provides peace of mind by securing your wheels against theft. Engineered specifically for BMW vehicles, these locking wheel bolts offer a precise fit and reliable performance. Say goodbye to worries about wheel theft and enjoy enhanced protection for your BMW with this essential locking bolt kit.

  • Enhances security for BMW wheels
  • Precision engineered for a perfect fit
  • Provides peace of mind against wheel theft
  • Specifically designed for BMW vehicles
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ECS SMG Shift Paddles
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ECS - Corporate Logo
T#:391903
Part#: 013223TMS
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When we were designing these SMG shift paddles we kept the different types of BMW drivers in mind to offer a high quality product to everyone with SMG II and an M steering wheel. The final product ended up being the perfect blend of styling, smooth curves, and comfort in your fingers to appeal to both the daily enthusiast and race track driver.

Cut from 6061-T6 aluminum and anodized for corrosion resistance and interior preference and an optional pad for the back of the paddle for increased grip and comfort. The pad adheres to the back of the paddles and is designed from neoprene to resist any temperature discomfort on hot and cold days as well as resisting slippage from wet hands. Our in-house engineers gave special attention to the key details of the M3 cockpit to ensure the paddles have a seamless OEM+ fit and finish. Subtle design details allow the paddle to conform perfectly into gauge cluster, steering wheel, and other surrounding components while offering superior comfort at the driver’s finger tips due to the extensively detailed 3D machined pockets. 


Features:

  • Anodized 6061-T6 aluminum
  • Optional stick-on neoprene padding
  • Engineered in-house and made in the USA
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ECS - Corporate Logo
T#:585720
Part#: 11211706847WPCKT
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What's better than using new crank bearings in your next engine build? WPC-treated bearings! What is WPC, you ask? WPC is a surface treatment that reduces friction and adds strength - two improvements that benefit internal engine components. Ultra-fine particles are fired at the surface at very high speeds, like shot-peening - but much, much smaller. The parts come out smoother and stronger due to thermal discharge. The two largest enemies of any high-performance engine are heat and friction - and WPC has found a way to reduce both. What are you waiting for? Use WPC-treated bearings on your next engine build or crank service!
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5x120 To 5X112 Wheel Adapters
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ECS - Corporate Logo
T#:7068775
Part#: 5X120TO5X112-66C
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Starting at $ 177.99 USD
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ECS - Corporate Logo
T#:7514180
Part#: 011966LA07-06
In Stock
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Elevate your vehicle's appearance with the ECS Tuning "Ti.22" Titanium Exhaust Tips! These tips, featuring a burnt-titanium-edge finish, showcase a slant cut, single wall outlet design, offering a visually stunning look. Crafted for durability, they include chrome-plated nuts, a 304SS cap screw, and clamp for a secure fit.

Key Specifications:

  • Inlet Size: 2.5"
  • Overall Length: 6.0" (4.5" Tip + 1.25" Clamping Surface)
  • Outlet Size: 4.0"
  • Outlet Style: Single Wall, Slant Cut

Note: Modification might be necessary for proper fitment. This part offers UNIVERSAL fitment and may require measurement prior to ordering to ensure compatibility with your vehicle.

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ECS Tuning Wheel Spacers - 17.5mm - 72.6mm CB
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:367463
Part#: ECS#256KT
In Stock
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Drastically improve the looks of your vehicle while improving your vehicle's handling characteristics and/or easily adjust your wheel fitment to allow for the proper clearance when installing parts such as new wheels, big brake kits, or lowering suspension components.Interference from components such as shocks, springs, or control arms are a common issue when installing wheel that are not a direct OE size replacement. By moving your wheels a few millimeters each, you can give yourself enough clearance for proper wheel fitment and give your car a wider stance in the process.

ECS Tuning wheel spacers are constructed of high quality 6061-T6 aircraft grade aluminum and are specifically designed by in-house engineers and cnc machined to exact standards, ensuring the best fitment possible. By carefully measuring the OEM wheel hubs and bore dimensions, these spacers mount with minimal clearance to prevent any vibration, retaining the stock-like vibration free operation. 

ECS Tuning is a performance and genuine parts provider that designs their ECS Tuning branded aftermarket automotive parts in-house to ensure the highest quality and affordability possible. Every part's design is subjected to a rigorous test fit and stress test period to guarantee proper fitment and continued reliability for years to come.

 

This item fits the following BMWs:

2008-2012 E82 BMW 128i 135 1M
1988-1991 E30 BMW M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2012 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2007-2012 E93 BMW 328i 335i M3 - Convertible
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 524td 528e 533i 535i 535is M5
1989-1995 E34 BMW 525i 530i 535i 540i M5
2004-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive 535i 535xi 535i xDrive 545i 550i M5
1982-1989 E24 BMW 633csi 635csi M6
2004-2010 E63 BMW 645ci 650i M6
1981-1987 E23 BMW 733i 735i
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
2009-2016 Z4 BMW Z4 sDrive28i Z4 sDrive30i Z4 sDrive35i Z4 sDrive35is

Rear Only
2007-2013 E70 BMW X5M
2007-2014 E71 BMW X6 xDrive35i X6 xDrive50i X6M

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ECS Adjustable Front Sway Bar End Links (175-235mm)
Please measure before purchasing. For lowered or custom applications. Will not fit fact...
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:55497402
Part#: 059085LA01
In Stock
New Item
$ 189.99 USD
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$ 189.99 USD
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Upgrade your BMW's suspension with ECS Tuning Adjustable Sway Bar End Links, designed to provide up to 60mm (2.36") of adjustability. These end links allow you to eliminate sway bar preload or fine-tune it for specific racing needs and corner balancing. When installed, they improve drivetrain clearance and enhance sway bar responsiveness by reducing deflection, ensuring superior handling. Perfect for lowered vehicles using springs, coilovers, or air-ride suspension systems, these adjustable sway bar end links allow you to remove unwanted preload caused by changes in the center-to-center distance between sway bar mounting points. By adjusting the end links to a neutral position, you eliminate sway bar preload, enhancing suspension performance in various driving conditions.

The main body of the ECS Sway Bar End Links is crafted from strong, lightweight 6061-T6 billet aluminum and anodized red for superior corrosion resistance. Featuring left- and right-hand threaded center sections and machined hex wrench fittings, these end links allow for quick and easy on-the-car adjustments. Zinc-plated hardware ensures secure and lasting adjustments, while the heavy-duty ball joint ends come with weather-resistant rubber boots and stainless steel wire retainers, providing superior protection against salt, rain, and ozone for extended durability. Each kit also includes zinc-plated Nyloc nuts and hardened steel washers for secure installation and improved contact surface on the sway bar.

These end links are designed, engineered, and rigorously tested by ECS Tuning to ensure the highest quality. Whether you have a lowered or stock suspension, these adjustable sway bar end links are the perfect upgrade, offering a high-quality, heavy-duty replacement that fits your specific needs.

Features:

Range of Adjustment: 175mm (6.89") to 235mm (9.25") 6061-T6 Billet Aluminum Construction: Red anodized for superior corrosion resistance Zinc-Plated Hardware: Provides durability and superior corrosion protection Right and Left-Hand Threaded Center Sections: Quick and simple on-the-car adjustments Heavy-Duty Ball Joints (M10x1.5): Weather-resistant rubber boots and stainless steel wire retainers for long-lasting durability NOTE: If you've modified your vehicle's suspension with aftermarket struts or coilovers, the mounting location for the sway bar end link may have moved. To confirm fitment with our adjustable end links, please measure the distance between the sway bar and the mounting location on the strut body with the vehicle at ride height and confirm that it is within the 175 - 235mm range of adjustment.

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ECS - Corporate Logo
T#:7514178
Part#: 011966LA07-02KT
Ships on Mar 15, 2027
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$ 395.74 USD
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Transform Your BMW's Exhaust with ECS UNIVERSAL Exhaust Tips - 4.0" Titanium - Matte Finish - Pair

  • Enhances the appearance of the exhaust system
  • Made from high-quality titanium for durability
  • Matte finish adds a sleek and modern touch
  • Universal fit for various BMW models

Upgrade your BMW's exhaust system with ECS UNIVERSAL Exhaust Tips - 4.0" Titanium - Matte Finish - Pair. Crafted from high-quality titanium, these exhaust tips not only enhance the appearance of your vehicle's exhaust system but also ensure durability for long-lasting performance. The matte finish adds a sleek and modern touch to your BMW's aesthetic. Designed with a universal fit, these exhaust tips are compatible with various BMW models, offering versatility and ease of installation.

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Carbon Fiber Trunk Lid - E46 Convertible
For Convertible models only - Not for Coupes
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:389591
Part#: 008002ECS01
Ships in 5 Business Days
$ 1,125.99 USD
Free Shipping
$ 1,125.99 USD
Free Shipping
This CSL inspired trunk lid for 1999-2006 E46 3 series Convertibles and saves precious weight over the heavy steel stock BMW trunk lid. It also looks great, especially if you are into the naked carbon fiber look. This particular trunk lid's styling has a slightly swept up rear edge, reminiscent of the E46 M3 CSL -- which also had a carbon fiber trunk lid with an integral "spoiler" edge built into it. 

We were pleasantly surprised by the fit and finish of this trunk lid, particularly at this price. The trunk lid fits as good as any other carbon fiber lid we've come across. Some modifications and provisions need to be made to fit all trunk auxiliary components, such as lighting, trunk latch, hood shocks, emblems and interior trunk trim -- which is why we highly recommend professional installation on these (even if you're not having it painted). As with any carbon fiber or fiberglass body panel, extra time and preparation will be required to ensure the best fitment and installation. While no aftermarket body panels fit as perfectly as original OEM BMW panels, we were very satisfied with the overall quality and fit of these trunk lids. If you are mounting it unpainted to keep the carbon fiber visble, this trunk lid already comes with a clear gelcoat finish so that it is already exactly how you'd want it. 

Professional installation highly recommended. 

This carbon fiber trunk lid fits the following BMWs:  
1999-2006  E46 BMW   Convertibles 323Ci 325Ci 328Ci 330Ci 
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ECS Tuning Baffled Oil Catch Can - 6oz
10X Entries Into Our F80 M3 Sweepstakes
For use with custom plumbing and ECS universal mounting bracket kit
ECS - Corporate Logo
T#:17140141
Part#: 003779ECS05-01
In Stock
Sale - Save 46% $ 233.99

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

$ 126.78 USD
Free Shipping on orders $49 and up
Sale - Save 46%
$ 233.99

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

$ 126.78 USD
Free Shipping on orders $49 and up

Meet modern emission regulations while preserving engine performance with the ECS Baffled Oil Catch Can. Designed for BMW and MINI vehicles, this system efficiently captures blow-by gases, preventing excessive oil vapor ingestion into the intake tract. The innovative 4-chamber baffle system maximizes oil/air separation, reducing carbon build-up and pollutants. Featuring a 1/4" drain fitting for easy maintenance, this catch can minimizes oil deposits, ensuring cleaner emissions and enhanced engine performance.

Key Benefits:

  • Efficient 4-chamber baffle system for maximum oil/air separation
  • Recirculated design reduces oil ingestion, promoting cleaner emissions
  • Durable 6061-T6 billet machined body with anodized black finish for longevity
  • Integrated dipstick and sealed reservoir for easy oil inspection and maintenance
  • Serviceable design with removable baffle plates for cleaning
  • Easy installation with customizable mounting options and leak-free fittings
  • Engineered and manufactured in the USA for superior performance and durability

Note: Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

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