Unfortunately, Your BMW is NOT the Ultimate Sound Machine...
One of the first things most BMW owners notice about their vehicles
is the poor performance of the BMW audio system. There is no clear definition
at any volume level. The high frequency range is muffled and distant, and bass
response is extremely muddy.
Want to Improve Sound Quality Simply and Effectively? Replace
Your BMW's Speakers!
To address these problems, BSW developed the Stage 1 Audio Upgrade.
Designed as a 100% complete, plug and play* BMW speaker upgrade kit, our Stage
1 Audio Upgrade provides a simple, easy way to replace your speakers and dramatically
improve sound quality without having to change any other components in your
BMW -- because our Stage 1 Audio Upgrade is engineered specifically for your
exact BMW.
The Stage 1 Audio Upgrade delivers striking clarity and definition, more musical detail and life, and improved bass dynamics simply and affordably. |
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Read the Roundel review of the E60 Stage 1 Audio Upgrade! (Components used & speakers replaced vary by application). |
When we designed our Stage 1 Audio Upgrade, we made sure the system met several key requirements and features:
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100% Stealth
Your interior will appear unchanged, and only you and your passengers will know you've upgraded your audio system. | |
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Greatly improved musical detail & presence
Uses coated natural fiber drivers and silk tweeters that remain distortion free at higher volumes and provides accurate, natural sound. | |
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Plug n' Play!*
Features plug and play connectors on each speaker, so all you
have to do is remove your original speakers then mount and plug
the new ones in. | |
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Wider musical range
Produces higher quality sound and a wider range of the midrange
and treble you're currently missing. (For more bass response,
we recommend a BSW subwoofer system). | |
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Engineered for your BMW
It's direct fit speaker replacement -- and each speaker's efficiency and impedance are tuned for perfect harmony with the factory amplifier and head unit. | |
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Reasonable cost, incredible results
Truly enjoy your BMW's stereo without breaking the bank. Even though it's affordable, the Stage one provides real, significant improvements in sound quality. | |
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100% Complete Package
Replaces every speaker in the car and includes everything you need except basic tools. All you have to do is buy, install, and enjoy. | |
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Do-It-Yourself Installation
Includes step-by-step instructions with photos. An afternoon with your BMW and basic tools is all you'll need. | |
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Performance Guaranteed
Unconditionally guaranteed to exceed all your expectations or your money back. No catches, no restocking fees, no funny stuff: you get 30 days to try our products, and if you're not totally happy, send them back for a refund. Click here for more details. | |
How and Why the Stage 1 Audio Upgrade Works
The BSW Stage 1 Audio Upgrade was designed
for you if you want to enhance and improve your BMW's sound system simply, effectively,
and affordably - all through the simple replacement of your factory speakers
with BSW's meticulously engineered, vehicle specific speakers.
By carefully designing not only the highest
quality speakers, but also very efficient speakers, we replace the weakest link
in your vehicle's audio system, the speakers, without necessitating amplifier
or head unit replacement. As a result, you get the biggest possible improvement
in your BMW's audio system for the least amount of money, time, and effort.
*For 2010+ Base Audio equipped sedans, mounting your new rear tweeters requires a small, 5-minute modification which remains completely hidden with the grille cover in place. Basically, we recreate the mounting location that is already there on premium audio systems. So, technically, this car isn't plug and play, but it's REALLY close.
BMW 3 Series / M3 Sedan 06+ (E90)
Estimated Install Time: 2.5 Hour(s)
| 5,003 Kb
Step by step installation guide covering speaker installation in the BMW 3 Series E90 Sedan with Standard Audio System.
| 6,133 Kb
Step by step installation guide covering speaker installation in the BMW 3 Series E90 Sedan with the Logic 7 Audio System.
E92 COUPE Install Video - Use PDF guides for exact process
This is the Coupe video for reference. Sedan is forthcoming - Use Install PDF guides for exact process.
absolutely everything you need is included!
The BSW Stage 1 Audio Upgrade is a 100% complete kit and replaces
every* speaker in your BMW! All you need is basic tools! (See
"Install Info")
*Excludes subwoofer pair under front seats.
cart / check out
