Kammala wannan jumla: Jonathan Martin, shugaban BBC Sport, ya riƙe ayyukan Walker don ɗaukar hoto na kamfanin na BTCC bayan kwangilar kwangilar ta ƙarshe ta ƙare tare da su a watan Mayu 1997. Walker ya zaɓi kada ya sabunta kwantiraginsa tare da BBC a cikin 1998 don mai da hankali kan watsa shirye-shiryen ITV akan Formula One kuma ba ya son yin yawan tafiya zuwa London don yin rikodin sharhin BTCC. Akwai wasu Grands Prix tsakanin 1978 da 1996 wanda Walker bai yi sharhi ba yayin da yake aiki da BBC, yawanci sakamakon sharhinsa a wani wuri. Wasu daga cikin wadannan sun hada da 1979 Belgian Grand Prix da 1988 Hungarian Grand Prix (lokacin da Simon Taylor ya maye gurbinsa), da Jamus Grands Prix na 1981 da 1984 (dukansu da Barrie Gill ya yi sharhi), da kuma
1985 Babban Kyautar Jamus (Tony Jardine).