1981 World Manufacturers Championship
 
Race Drivers Entrant Overall Class
Daytona 24 Hours Stuck / Gebhardt Quester Bavarian Motors 6th 1st
Hobbs / Surer / Quester BMW North America 16th 6th
Cowart / Miller Red Lobster Racing DNF -
Bartling / Freburg / Deacon David Deacon Racing DNF -
Sebring 12 Hours Cowart / Miller Red Lobster Racing 27th 11th
Gebhardt / Surer BMW Challenge Team DNF -
Bartling / Deacon / Freburg David Deacon Racing DNF -
Mugello 6 Hours Ferrier / Servanin BMW Italia 5th 1st
Fabi / Danner BMW Italia 8th 2nd
Monza 1000km Ferrier / Servanin BMW Zol-Auto 6th 1st
Grano / Vanoli Umberto Grano 10th 2nd
Riverside 6 Hours Cowart / Miller Red Lobster Racing 7th 1st
Naon / Cruz Montura Racing 8th 2nd
Crevier / Unser Jr. Joe Crevier 11th 3rd
Aase / Smith Chuck Kendall 25th 9th
Gebhardt / Beilcke / Freburg Quester Bavarian Motors 33rd 13th
Bartling / Freburg / Deacon David Deacon Racing DNF -
Silverstone 6 Hours Stuck / Heyer GS Tuning DNF -
Nurburgring 1000km Konig / Oberndorfer Kurt Konig 14th 1st
Duge / Lassig WERA-Meissberg DNF -
Le Mans 24 Hours Ferrier / Servanin / Rousselot BMW Zol-Auto DNF -
Danner / von Bayern / Oberndorfer Helmut Marko DNF -
Enna Pergusa 6 Hours Grano / Vanoli / Danner BMW Italia DNF -
Mosport 1000km Cowart / Miller Red Lobster Racing 5th 1st
Garcia / Naon Montura Racing 8th 2nd
Freburg / Deacon David Deacon Racing 20th 7th
Road America 500 Aase / Kendall Chuck Kendall 9th 1st
Garcia / Naon / Cruz Montura Racing 22nd 4th
Cowart / Miller Red Lobster Racing DNF -
Crevier / Unser Jr. Joe Crevier DNF -

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