Spec E30 is a class of racing cars used in National Auto Sport Association (NASA) road racing events.
Concept The goal for Spec E30 is to create high levels of competition among similarly prepared BMW E30 3 Series cars at a reasonable cost. It is intended to encourage low-cost, entry-level, production car based competition. It has been called "the next big thing" in club-level racing by Grassroots Motorsports Magazine.
Cars
The series consists of U.S.-spec BMW E30 325i coupes and sedans, sold between 1984 and 1991. All cars in the series must use the BMW M20B25 engine.
As a "specified" class, the rules allow for a limited number of modifications, predominantly involving required suspension parts.
Required components include:
M20B25 Getrag 260 5-speed transmission 3.73 Rear differential final drive ratio Stock/unmodified ECU A choice of either H&R Race spring set or Ground Control coilover kit Bilstein Sport shocks Spec series tire (which is currently the Maxxis Victra RC-1 or VR-1 in 205/50/15 size) Minimum weight with driver at the end of the race is 2700 pounds
Allowed modifications include rebuilding of the original BMW motor, but it must follow factory specifications. And even then, there is now a reward weight system that is used based on the actual output from a sanctioned dynamometer (maximum class allowed is 162.9). As well, a model dyno plot is used to compare all competitors engine output for distinct anomalies.
Series Winners
National Championship YearMyLaps.com || powered by AMB transponders Location 1st 2nd 3rd2025Ozarks International RacewayMatthew IbrahimSean AronGarrett Manes2024Utah Motorsports CampusMichael OmelkoMatthew IbrahimSean Aron2023Pittsburgh International Race ComplexRobert GraceJack CobettoJason Griscavage2022Laguna Seca RacewaySean LovettSylas MontgomeryNick Thiemann2021Daytona International SpeedwayCarlos MendezScott McKayEric Pennington2019Mid Ohio Sports Car CourseDaniel GoldburgOlivier BellangerRobert Grace 2018Circuit of the AmericasTim BarberSylas MontgomeryAlex Barroso 2013 Miller Motorsports Park N/A (No entries) N/A (No entries) N/A (No entries) 2012 Mid Ohio Sports Car Course Anthony Magagnoli Charlie Hayes Eric Palacio 2011 Mid Ohio Sports Car Course Robert Grace Eric Palacio Jonathan Allen 2010 Miller Motorsports Park Outer Course Frans Hansen Gary Rieger Chris Cobetto 2009 Miller Motorsports Park Outer Course Chris Cobetto Steve Ferrario Stephen DeVinney 2008 Mid Ohio Sports Car Course Mike Skeen Simon Hunter Carter Hunt 2007 Mid Ohio Sports Car Course Chris Cobetto Jonathan Allen Mike Skeen 2006 Mid Ohio Sports Car Course Chris Cobetto Robert Patton Carter Hunt
Regional Championships 2018 Great Lakes: 1st Cliff Pearce, 2nd Eric Pennington, 3rd Fante Meng 2017 Northern California: Sylas Montgomery 2006 Mid Atlantic: Chris Cobetto 2005 Mid Atlantic: Carter Hunt
References
External links Official Site Spec E30 Rules (PDF) Grassroots Motorsports Spec E30 project car Interview with Carter Hunt, Sr., founder of the Spec E30 series