Here is the sound of the M Performance Exhaust for the new BMW 435i.

The gasoline-powered 420i, 428i and 435i can be fitted with the M Performance sports exhaust system that includes tailpipe embellishers in chrome or carbon and which can also be ordered as an individual option.

BMW also offers other upgrades as part of the BMW 4 Series M Performance Parts catalogg.

2014-BMW-4-Series-M-Performance-Parts-rear-diffuser

Model-specific BMW M Performance Parts available from the beginning of 2014 provide additional ways of authentically emphasizing the sporty character of the coupe and making the driving experience even more intense. The BMW M Performance Power Kit available for the:

BMW 420d (+12Kw, +40Nm)
BMW 430d (+20kW, +40Nm)
BMW 435i (+25kW, +50Nm)

Here is the video:

BMW M Performance Parts for the BMW 4 Series