The perfect garage or track-side companion for those that love setting up their own race cars.

Print, save-as, or copy to your Google Drive.

Printable chart for logging tire pressures and tire temperatures while at the track. Includes inner, middle, and outer temp zones.

Print it, or select File -> Make a copy to save it on Google Drive, or File -> Download to save locally (not Excel formatted).

Bilstein has an uncommon way to rate their damper forces. Easily convert their rates to the more common American 0-10 inches per second damper ratings.

Select File -> Make a copy to save it and allow editing on Google Drive, or File -> Download to save locally (not Excel formatted).

Enter your modifier percentages and estimated power level, and the output will be a range of competition weights and nearby power levels, along with the allowed tire size for each. Use this to help dial in your GLTC comp form.

Select File -> Make a copy to save it and allow editing on Google Drive, or File -> Download to save locally (not Excel formatted).

Wheel rate calculator for all E9X chassis cars. Includes the front and rear motion ratios, including rear "true coilover" and "divorced spring," for comparing spring rates.

Select File -> Make a copy to save it and allow editing on Google Drive, or File -> Download to save locally (not Excel formatted).

Part number list for all of the braking components for all E9X models. Non-M models are all backwards compatible.

Print it, or select File -> Make a copy to save it on Google Drive, or File -> Download to save locally (not Excel formatted).

Extensive comparison of E9X non-M and M3 brake component weights (calipers and rotors).

Print it, or select File -> Make a copy to save it on Google Drive, or File -> Download to save locally (not Excel formatted).

Wheel rate calculator for all E30 chassis cars. Includes front and rear motion ratios for comparing spring rates (only with divorced rear springs).

Select File -> Make a copy to save it and allow editing on Google Drive, or File -> Download to save locally (not Excel formatted).

Bilstein damper rates for all known E30 applications, including HD, Sport, Clubsport, Group N Wet, Group N Dry.

Print it, or select File -> Make a copy to save it on Google Drive, or File -> Download to save locally (not Excel formatted).

Chart of the BMW Motorsport Group N spring and damper rates for from the E30 M3 racing era.

Print it, or select File -> Make a copy to save it on Google Drive, or File -> Download to save locally (not Excel formatted).

The official BMW Motorsport parts catalog for the E30 M3 Group A/DTM program from 1990. Some of these parts are still available, although most are NLA.

Print, save-as, or copy to your Google Drive.

The official BMW AG parts catalog for the E30 M3 Group N program. Presumably from the late 1980s or early 1990s. Some of these parts are still available, although most are NLA.

Print, save-as, or copy to your Google Drive.