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The2015 Australian Manufacturers' Championship was an Australian motor racing series for modified productiontouring cars.^[1] It comprised threeCAMS sanctioned national championship titles:

• TheAustralian Manufacturers' Championship for automobile manufacturers^[1]
• TheAustralian Production Car Championship for drivers^[1]
• TheAustralian Endurance Championship for drivers^[1]

Australian Manufacturers Championship Pty Ltd was appointed by CAMS as the Category Manager for the championship.^[1]

The Australian Manufacturers' Championship was awarded toBMW Australia Pty Ltd,^[2] the Australian Production Car Championship was won by Grant Sherrin driving aBMW 135i^[2] and the Australian Endurance Championship was also won by Grant Sherrin.^[2]

Cars were classified into the following six classes:^[1]

• Class A : Extreme Performance^[1]
• Class B : High Performance^[1]
• Class C : Performance^[1]
• Class D : Production^[1]
• Class E : Compact^[1]
• Class I : Invitational^[1]

The championship was contested over five rounds.^[1]

The results for each round of the Championship were determined by the number of points scored by each driver at that round.^[1]

In rounds with one scheduled race, points were awarded on a 120–90–72–60–54–48–42–36–30–24–18–12–6 basis for the first thirteen places in each class with 3 points for other finishers.^[1]

In rounds with two scheduled races, points were awarded on a 60–45–36–30–27–24–21–18–15–12–9–6–3 basis for the first thirteen places in each class in each race with 2 points for other finishers.^[1]

Each manufacturer was able to score points towards theAustralian Manufacturers' Championship title from the two highest placed automobiles of its make, in any class, excluding Class I.^[1] The title was awarded to the manufacturer scoring the highest total number of class points over all rounds of the championship.^[1]

Points towards theAustralian Production Car Championship outright title were awarded to drivers based on outright finishing positions attained in each race.^[1] In addition two points were awarded to the driver setting the fastest qualifying lap in each class at each round.^[1]

Points towards theAustralian Production Car Championship class titles were awarded to drivers based on class finishing positions attained in each race.^[1] In addition two points were awarded to the driver setting the fastest qualifying lap in each class at each round.^[1]

Points towards theAustralian Endurance Championship outright title were awarded to drivers based on outright finishing positions attained in Rounds 1, 2 and 5.^[1] In addition two points were awarded to the driver setting the fastest qualifying lap in each class at each of these rounds.^[1]

Points towards theAustralian Endurance Championship class titles were awarded to drivers based on class finishing positions attained in Rounds 1, 2 and 5.^[1] In addition two points were awarded to the driver setting the fastest qualifying lap in each class at each of these rounds.^[1]

The Australian Manufacturers' Championship was awarded toBMW Australia Pty Ltd.^[2]

The Australian Endurance Championship was contested at Rounds 1, 2 & 5.^[1]

The Teams Trophy was awarded to the driver pairing that scored the highest total number of class points over all rounds.^[1] It was won by Grant Sherrin and Iain Sherrin.^[11]

• Australian Manufacturers' Championship
• Australian Production Car Championship
• Australian Endurance Championship
• 2015 in Australian motorsport

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