#WinFaster With Miller!

Whether you are racing on the track or playing around on the mountain roads, Our products will help you win, and win faster! Use the hash-tag #WinFaster on social media when sharing your Miller Performance equipped ride!

Check out our products

Arrow down


The Miller Performance WAR Chip forum is a great place to look for help for your MAF or WAR Chip, share tunes and show off your setup. WAR FORUM.


Install your Miller Performance product right the first time! Please select from the appropriate manual from the list here.


Buy your MAF Conversion, WAR Chip, Turbo Tuning Package and more from Miller Performance's online store


Our Products

Get the Miller advantage for your BMW - proven products and performance.

Authorized Distributors

Our products are also available through these fine retailers

Get in touch

Thanks for stopping by. We'd love to hear from you.

Hours: Monday - Friday 9:30AM - 4:30PM PST

Please give us a call or email us if you cannot find the answers to your questions. If we can't answer the phone please leave a message and we will get back to you within a day. EMAIL IS THE BEST WAY TO CONTACT US

  • Please use a REAL email address so that we can get back to you.
  • CAPTCHA ImageReload Image