Brewer joined NASCAR on ESPN for the 2007 season. He is part of NASCAR Countdown, the pre-race show, with host Brent Musburger and fellow analyst Brad Daugherty. He is also a contributor to NASCAR Now, the daily NASCAR information program on ESPN2. During each race, Brewer returns to the coverage to analyze race stories by using a "cut-away" car, which is a show car provided by Chevrolet.
Brewer won two championships as a crew chief working for owner Junior Johnson. His first was with driver Cale Yarborough in 1978 and his second was with Darrell Waltrip in 1981. He later worked for Morgan-McClure Motorsports
Brewers drivers won 53 Cup points races and 55 Cup points pole positions. He is supported on the ESPN productions by Nelson Crozier, a premier innovator in the NASCAR environment for over 40 years.
Tim Brewer and Nelson Crozier are partners in T and N Products, an intellectual properties LLC and have a patent pending on a unique safety indicating lug nut. Their company also serves as an expert witness for the major Detroit auto manufacturers and nationally known law firms.