Skip to content
  • Facebook
  • X (Twitter)
  • Instagram
  • YouTube
  • TikTok

Apply here to join as an affiliate

Shipping Policy

Refund & Return Policy
  • SHOP BY VEHICLE
  • SHOP BY TYPE
  • SHOP OUR PARTNERS
  • OFF-ROAD
  • ETERNA BESPOKE
  • SERVICES
  • FINANCING
Login
  • Facebook
  • X (Twitter)
  • Instagram
  • YouTube
  • TikTok
Search
Eterna Motorworks
  • SHOP BY VEHICLE
    • BMW M

      • E9X M3

      • F87 M2

      • F8X M3 M4

      • G8X M3 M4

      • G87 M2

      • F90 M5

      • G90 M5

      • M6 & 6 Series

    • BMW

      • 6 Seires

    • 2 SERIES

      • F22 F23 (2014-2021)

      • G42 (2022+)

    • 3 Series

      • E90 E91 E92 E93

      • F30 F31 (2011-2019)

      • G20 (2019+)

    • 4 Series

      • F32 F33 F36 (2014-2020)

      • G22 G23 G26 (2020+)

    • 5 Series

      • F10 (2011-2017)

    • Audi

      • R8

    • CORVETTE C8

    • MUSTANG

    • Tesla

      • MODEL S

      • MODEL 3

      • MODEL X

      • MODEL Y

    • TOYOTA

      • Supra A90 A91

  • SHOP BY TYPE

    • AESTHETICS

    • PERFORMANCE

    • WHEELS

    • ACCESSORIES

  • SHOP OUR PARTNERS
  • OFF-ROAD
  • ETERNA BESPOKE
  • SERVICES
  • FINANCING
Search Login Cart 0
Cart

Your cart is currently empty.

Not sure where to start? Explore our top lineups.

  • Continue shopping
    Order special instructions
    Discount
      Taxes and shipping calculated at checkout
      Subtotal
      $0.00 USD
      View cart
      Recently viewed
      Search

      Voice search isn't available on this device
      Home Search 0 Cart
      Account
      Valvetronic Designs
      • Collections
      • Valvetronic Designs

      Valvetronic Designs

      Filter and sort
      Brand
      Product type
      Price
      $
      to
      $
      Sort by:
      Best selling Sort by
      Brand
      Product type
      Price
      $
      to
      $
      BMW F Chassis Replacement Midpipe 80MM Clamp
      Vendor:Valvetronic Designs

      BMW F Chassis Replacement Midpipe 80MM Clamp

      $35.00
      BMW Exhaust Valve/Flap Controller
      Vendor:Valvetronic Designs

      BMW Exhaust Valve/Flap Controller

      $149.00
      Previous 1 … 9 10 11

      automotive excellence

      Didn’t Find What You Need?

      Our team of experts are here to help

      Contact us

      Eterna Motorworks

      Help
      • Can’t Find a Part?
      • Contact Us
      • Return & Refund Policy
      • Shipping Policy
      • Checkout Policy
      • Third-Party Pricing Policy
      • Eterna Motorworks Product Disclaimer
      • Custom Build & Service Policy
      • Chargeback & Payment Dispute Policy
      • Price Matching
      • Financing
      • Affiliate Marketing Program
      • FAQ
      • Terms of Service
      • Your Privacy Choices
      • Privacy Policy

      Subscribe for exclusive deals

      DISCLAIMER

      Unless explicitly stated otherwise, all products sold by Eterna Motorworks are designated Race Only and are solely for competition/off road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. Eterna Motorworks does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

      • Facebook
      • X (Twitter)
      • Instagram
      • YouTube
      • TikTok
      © 2026 Eterna Motorworks . Powered by Shopify
      • Amazon
      • American Express
      • Apple Pay
      • Diners Club
      • Discover
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • USDC
      • Visa
      • Choosing a selection results in a full page refresh.
      • Opens in a new window.