"I cannot say about the competitor. We would not do any such manipulation... We don't manipulate and we are also very open with our CO2 tests and this is also confirmed by the institutes," BMW Group India President Philipp von Sahr told PTI.
He was responding to a question on the Volkswagen scandal, which has shook the automotive world.
He added that diesel engines will survive the latest scandal.
"There is a lot of discussion on diesel engines globally. It is important to realise there are tough CO2 targets in the markets worldwide... Diesel engines have future despite this scandal," von Sahr said.
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The company is facing investigations in the US, South Korea, France, Italy, Canada, Germany and the UK. Australia said it is monitoring the situation.
In the wake of the scandal in the US, the embattled CEO of Volkswagen Martin Winterkorn has already stepped down.
A special software enabled the cars to detect when they were on emission test and lower their pollution levels.
In India, apex automotive testing agency Automotive Research Association of India (ARAI) has begun a probe into Volkswagen's emission standards.
If proved of any wrongdoing, the world's largest carmaker may have to face criminal proceedings, fine and recall of vehicles.
BMW used to be the market leader in the luxury car space for many years in India before its compatriot Audi, a Volkswagen group firm, stormed the market in 2008 and unseated it to a number three spot.