The Classic Touring Car Racing Club, with the British Automobile Racing Club, ran a series of championships for modified and production based saloon cars in the three seasons 2003, 2004 and 2005 titled Classic Thunder with Pre ’90 Touring Cars.
The Witmun Engineering Team BX Sport entered Citroen BX GTi 16valve P1 competed in class F. Below are the lap records for the class F cars.
Lap Record
| Brands Hatch (Indy) | Citroen BX 0:59.179 @120.04kph 23/05/04 |
| Cadwell Park | Citroen BX 1:50.963 @113.45kph 17/07/05 |
| Croft | Ford Fiesta 1:45.316 @117.01kph 12/09/04 |
| Donington Park | Citroen BX 1:29.034 @127.36kph 29/08/05 |
| Mallory Park (Edwina’s) | Citroen BX 1:03:938 @124.14kph 15/06/03 |
| Mallory Park (National) | Ford Fiesta 0:57.527 @135.19kph 19/06/05 |
| Lydden Hill | Citroen BX 0:50.210 @115.38kph 06/08/05 |
| Oulton Park (Island) | Citroen BX 1:48.534 @118.82kph 27/09/03 |
| Pembrey | Citroen BX 1:10.586 @119.50kph 24/09/05 |
| Rockingham (Historic) | Citroen BX 1:53.788 @114.56kph 06/04/03 |
| Rockingham (International) | Citroen BX 2:09.714 @109.11kph 03/04/04 |
| Silverstone (National) | Citroen BX 1:13.755 @128.74kph 16/08/03 |
| Snetterton | Citroen BX 1:28.764 @127.40kph 11/09/05 |
| Thruxton | VW Golf 1:38.486 @138.59kph 28/03/05 |
