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This page is used to determine your car's class according to the 2005 Boston Chapter Autocross Series Performance Based Classification System.
If you aren't planning on driving a BMW or MINI, please see this information on Non-BMW Autocross Classes.
Here's how the self classification works. The process begins with a base number of points based on the car's year and model. The base points for each model are obtained by careful research by our friends at the Golden Gate Chapter. Each modification to the car which enhances the car's performance adds points to the base points.
The total number of points determines the car's class (A through F). Because tires make a huge difference in your car's autocross performance, classes B through E are further broken down by tire type.
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2005 BMW Autocross Classes |
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Class AR |
130.0+ Points |
R compound tires assumed |
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Class AS |
130.0-150.0 Points |
street tires only |
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Class BR |
117.0-129.9 Points |
R compound tires allowed |
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Class BS |
117.0-129.9 Points |
street tires only |
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Class CR |
100.0-116.9 Points |
R compound tires allowed |
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Class CS |
100.0-116.9 Points |
street tires only |
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Class DR |
85.0-99.9 Points |
R compound tires allowed |
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Class DS |
85.0-99.9 Points |
street tires only |
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Class ER |
65.0-84.9 Points |
R compound tires allowed |
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Class ES |
65.0-84.9 Points |
street tires only |
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Class F |
0.0-64.9 Points |
street tires only |
New for 2006: Class AS will have a cap of 150 points. If a competitor has more points they can either enter class AR or be assessed a proportional time penalty adjustment. Not yet finalized, time penalty will likely be in the range of 1-2/1000ths of a second per point overage per minute on course.
A special thanks to Scott Miller and the members of the Golden Gate Chapter for providing the points data to us.
Our database is missing information on a few cars, mostly the newer models. Please contact the Autocross Chief Registrar if you want to register a car not shown in our database.
Step 1: BMW Model Search
The MINI is considered a BMW by the Autocross Committee. The first step is to find your model. Enter the some or all of the name of the model then press the Find button.
Because of the transition from the old web site to the new,
the 2005 Classification Database is not available.
The 2006 information will be published soon.
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More Autocross Information
- 2005 Boston Chapter Autocross Series: Introduction, general information, other autocross events and resources.
- Classes, Points, and Trophies: Car classification, season points, and trophies awarded.
- Eligibility and Registration: Driver eligibility, event registration, no-show policy, cancellations, and refunds.
- Day Of Event Information: Daily autocross schedule, visitor policy, tech inspections, work policy, and course assignment.
- Directions To Site: Directions to the autocross site.
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