Please correct the sentence:

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hello

Please correct the sentence:

BMW 5 series has always been one of the most popular products of BMW Company and the company has launched the new generation of 5 series that is 6 series since two years ago.

Thank you.

2

The BMW 5 series has always been one of the most popular products from BMW and two years ago the company launched the new generation of the 5 series, the BMW 6 series.