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 Updgrade 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.
When we designed our Stage 1 Audio Upgrade, we made sure the system met several key requirements and features:
 | 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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 | More highs, more lows
Produces higher quality sound and a wider range of the bass 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. |
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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!
(We should mention that the speakers we use are meticulously engineered
and manufactured in Germany - just like your BMW! Using warm, natural sounding
silk tweeters and high-resolution midbass drivers, these components have redefined
our expectations of exactly how beautiful an entry level, OEM upgrade type of
speaker should sound!)
By carefully selecting 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.
Can I install the Stage I Audio Upgrade in my BMW myself?
Yes, you can! We ship every Bavarian Soundwerks Stage I Audio upgrade with
extremely detailed installation instructions with photos and provide telephone
support for the process as well. Because it's a simple installation (you're
replacing speakers only) with only the most basic of skills required, you can
probably do it.
If you're unsure about installing the Stage 1, we always recommend professional
installation. Fortunately, because the installation instructions are so detailed
and everything you need is included, if you don't feel comfortable with the
installation process, any decent car audio shop can perform the installation
for you without any difficulty whatsoever - probably for about $200 or less.
Will this work with my Standard or Harman-Kardon equipped BMW? Will
it make a big difference?
Yes, absolutely! In your BMW's audio system, the factory speakers are the weakest
link. Even in the "premium" Harman Hardon sound systems, the speakers are nothing
more than compressed paper and plastic tweeters. Because our Stage I Audio Upgrade
replaces that weak link, the speakers, you'll see a VERY nice improvement in
sound quality in your BMW, regardless of whether you have the most basic BMW
audio system or the nicest.
What type of speakers are included in your Stage I Audio Package?
Included in our Stage 1 Audio Upgrade are Rainbow Audio IQ Line speakers (front)
and Rainbow Audio's Dream Line (rear), highly respected and revered, made in
Germany, just like your BMW. Both lines are very, very high quality speakers,
but are also very efficient, meaning they'll run very well using your stock
amplifier.
Does the Stage 1 Audio Upgrade improve bass response?
The answer to this question is somewhat complex. Bass response is limited by
amplifier output and the range of music that a smaller speaker can play, so
overall bass output (loudness) will not be increased in a significant way with
the Stage 1. However, because of the higher quality components used in the Stage
1 Audio Upgrade, bass dynamics are improved, meaning you'll be able to enjoy
bass notes more.
However, please note that on vehicles equipped with the Harman Kardon sound
system, much of the bass response is generated by factory subwoofers which are
unaffected by the Stage 1 Audio Upgrade in this regard. A subwoofer
upgrade is required to improve the bass response of this component.
Do I need to replace my factory amplifier or head unit?
No, you don't. Because we've carefully selected the speakers used in our Stage
I Audio Upgrade, they're efficient enough to run off of your stock amplifier
and head unit. However, we've designed the Stage I Audio Upgrade with a path
for future growth of your system, so if you'd like upgrade your head unit or
amplifier down the road, you can.
Will the Stage I Audio Upgrade be visible from within the car or require
any permanent modifications?
No, our Stage I Audio Upgrade is completely invisible within the car. Only
you and your fellow listeners will know that you've upgraded your stereo since
your car will maintain a 100% factory appearance within the vehicle. And, because
the Stage I Audio Upgrade requires no permanent modifications to your vehicle,
it's completely reversible, meaning you can take your speakers with you if or
when you sell your car.
Which speakers are replaced in my BMW?
Your 3 Series / M3 Cabrio has a 10 speaker system consisting of a 3 way set
in the front of the vehicle (tweeter, 2" midrange, and 6.25" midbass driver)
and a 2 way set in the rear of the vehicle (tweeter and 4.25" midbass driver).
If your vehicle has the upgraded Harman Kardon stereo, you'll also find a 7"
subwoofer between your rear seats. Our Stage 1 Audio Upgrade replaces every
interior speaker in the vehicle. The factory subwoofer, if present, will also
stay. This setup allows for the simplest installation and biggest improvement
in sound quality for the least amount of money.
Will my BMW audio system be louder with the Stage 1 Audio Upgrade?
While the Stage 1 Audio Upgrade provides crisper highs and richer lows as well
as significantly more midrange detail, you won't see any benefits in terms of
increased volume from your BMW audio system, though you may find yourself listening
at lower volumes due to the improved sound quality. This is because your factory
amplifier, which is key in determining the upper volume limits of your BMW audio
system, is not replaced.
If you're unsure if you'll need more volume from your BMW's audio system after
installing the Stage 1 Audio Upgrade, our recommendation is always to purchase
the Stage 1 first to improve sound quality, then add an amplifier later if needed.
Contact us for more details on amplifier upgrades.
Does the Stage I Audio Upgrade come with a warranty?
Yes, it sure does! The warranty is a 1 year warranty with Rainbow brand speakers.
If you ever have any issues, we're just a phone call away. Please note that
this warranty does not cover speakers blown due to excessive volumes or abuse.
What part of the Stage 1 is Plug and Play?
The e46 Stage 1 is 100% plug and play for this application
My standard/HK vehicle only has 8 speakers. Where are the other 2?
In the e46 coupe and convertible there is a small cloth grill by the door pull. Behind this grill there is a bracket that houses the midrange/tweeter assembly. It appears there is just one speaker but BMW hid 2 behind there.
Can I get a Stage 1 for standard audio?
Yes you can. The difference between the Harmon Kardon and standard audio systems does not affect the ability to add a Stage 1 speaker package. We have taken the time to asses both the HK vehicles and the standard vehicles to find the best fitment of speakers to work in each vehicle.
You will receive a specially designed stage 1 based on your vehicles audio system whether it is standard on Harmon Kardon.
Any other questions? Just contact
us!
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