What is the cheapest way to upgrade the factory sound system in a 2011 BMW 335D?Add a powerful amplifier?
55

Asked by Bradford L May 20, 2012 at 02:21 PM about the 2011 BMW 3 Series 335d Sedan RWD

Question type: Car Customization

I want to upgrade the factory sound system .It sounds very "thin" currently.My budget  is limited.Would a powerful
amplifier improve the depth and overall performance?
Also,the Sirius radio has a background hissy like distortion like its slightly out of phase.Anyone know why and how
to rectify this?
Thanks

2 Answers
5,905

Michael answered 11 years ago

Hit up BSW, www.bavariansoundwerks.com These guys have plenty of options and only work on the best vehicles with the worst sound systems.

Mark helpful
3,755

Daniel answered 11 years ago

i agree with michael and i would also check for buying the upgrated version of your sound system for your car on ebay

Mark helpful

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