Information about the Power to Weight (PWR) class

The BMW CCA Club Racing PWR (Power to Weight Ratio) class is designed to be open to many different BMW race cars with minimal restrictions and ease of complying with the class rules. Cars will be classed primarily based on Horsepower to Weight Ratio. The PWR Class will earn BMW CCA Club Racing points and be eligible for annual awards.

The PWR class is intended for the racer who has a car that was originally prepared for a class other than the native BMW Club Racing Classes (Sport, Prepared, Modified or SPEC). The PWR class will also be attractive, but not limited, to racers who:

  • have a car that is not competitive in its native class
  • are in a class with very few competitors and have a desire for more in-class competition
  • have a Vintage or Historic race car
  • have a BMW factory built race car

Note: In the early phases of this new class, the rules may evolve or change rapidly, especially in response to a competitor who is exploiting the rules in a manner that is counter to the spirit of the class.

If you would like to race in the PWR classes, please download and complete the PWR disclosure form and return it and a copy of your most recent dyno results to the email address listed on the form. Club Racing will confirm your class selection and return the form to you, which is to always be kept with the logbook for the car.

Power to Weight (PWR) Documents

PWR Class Disclosure Sheet Instructions:

  1. Please fill out the disclosure sheet fully and submit the form in Excel format (no other format will be accepted) by email to the PWR email address indicated on top of the disclosure sheet. Please note disclosure sheets cannot be submitted for approval at a race event and must be submitted for approval at least 10 business days prior to the first scheduled race weekend. If a disclosure sheet is submitted within the 10 business day window prior to the planned race weekend, the possible approval of the late disclosure sheet is on a best effort basis and will be assessed a $100 fee. There is no guarantee of processing/approving a Disclosure sheet within the 10 business day window prior to a race.
  2. Do not sign the signature line on the initial submission.
  3. A copy of the Dyno test results should be submitted in original PDF format generated by the dynotest equipment along with the disclosure sheet. The dyno graph should clearly show 3 runs and the peak HP of each.
  4. Once submitted, your disclosure sheet will be verified by Club Racing and an official approved disclosure sheet will be returned to you via E-mail.
  5. The official copy will be in pdf form for you to print out, sign and bring with you to race events to be presented to the Event Tech Steward.

PWR Intro FAQ v3.0  – Jan 2023

Power to Weight (PWR) Rules & FAQ V3.1   (March 2024)

Power to Weight (PWR) Disclosure Form  v7.27 (March 2024)

Info for non spec racers – Toyo bucks contingency program


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