Claim: ISR Racing won the drivers' title in the Central-European Super Touring Championship in 1998 and in 1999, the same year ISR started building a 500m² workshop for the preparation of racing cars.
Evidence: The team won the drivers' title in the Central-European Super Touring Championship in 1998 and 1999. In 1999, ISR started building a 500m² workshop for the preparation of racing cars.