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the how and why of bass in your BMW
Fully 1/3rd of all recorded music is below 80Hz (this is called bass!) Almost no interior component speaker can reproduce sound below 80Hz without high levels of distortion (some CAN reach to around 60Hz, but that's really the lower limit). The cheap paper drivers BMW uses in their audio systems are no certainly no exception to this rule.
Why? High output bass production requires that a speaker physically moves a great deal of air relative to what's required for higher frequencies. This air movement is accomplished in either or both of the following two ways:
Both solutions do require substantial power output from the amplifier driving them, but power can be expensive. For cost savings reasons, manufacturers will produce a larger coned driver out of lightweight material (i.e. paper) to minimize power requirements. Unfortunately, the resulting lightweight subwoofer is flimsy, and when combined with low power yields muddy, fuzzy bass at moderate volumes and distortion at high volumes. This is PRECISELY the case in BMW's premium systems equipped with a subwoofer.
And if you don't have the premium system, because your stock amp and speakers (and even high quality component speakers and an aftermarket amp) are small in size, share the same lightweight construction, and are low in power, you'll get the same fuzzy bass, just less of it.
And so, an effective, high power subwoofer solution is needed. But with the BSW d110.e38, it doesn't have to come with sacrifices.
BMW 7 Series E38 '95-'01 (Sedan)
Simply click the link(s) below to download installation instructions. Instructions are in PDF format. To view them, you'll need to download Adobe's Acrobat Reader (available at www.adobe.com) if it isn't already installed on your computer.
Estimated Install Time: 3 Hour(s)
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This guide walks you step by step through the installation process of the BSW d110 Subwoofer System for 95-01 BMW 7 Series Sedan with DSP.
absolutely everything you need is included!
The BSW d110.e38 subwoofer system is a 100% complete kit. All you need is basic tools!
Is this EVERYTHING I need?
Yes, we include absolutely every single component you need! There is absolutely nothing else you need to purchase outside of the BSW 10" d110 Subwoofer System to install and enjoy our system.
Can I install the d110 Subwoofer System in my BMW myself?
Yes, you can! We ship every BSW d110 Subwoofer System with extremely detailed installation instructions with photos and provide telephone support for the process as well. Because it's a simple installation (you're basically just tapping one audio signal and getting power from the battery - that's it!) with only the most basic of skills required, you can probably do it. However, if you feel unsure, we always recommend professional installation. Fortunately, because the installation instructions are so good 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 $100 or less.
Will this work with my Standard or Premium Sound equipped 7 Series? Will it make a big difference?
Yes, absolutely! In your BMW's audio system, even "Premium" systems, bass response is terrible. Because our d110 Subwoofer System provides as little or as much additional bass response as you want, you'll see a VERY nice improvement in sound quality and low-end frequency response in your BMW, regardless of whether you have the most basic BMW audio system or the nicest.
My trunk is completely sealed. Will I really be able to hear the bass in the cabin?
Yes, definitely. Because we specialize in BMW's, we understand that the trunk areas are very frequently well sealed from the interior of the car, and as a result, this important consideration was taken in mind during every step of the design process. This means that our 10" d110 Subwoofer Systems are high-output and will absolutely produce enough output (volume) to really hear, feel, and truly enjoy!
In addition, the installation process of the d110.e38 subwoofer system removes the factory subwoofer enclosure, creating a "port" directly from the trunk into the cabin, which means you hear 100% of the bass response.
What components are included in your 10" Deck-Mounted Subwoofer System?
Click the "What's Included" tab above for an itemized list of the components used in this subwoofer system.
Do I need to replace my factory amplifier or head unit?
No, you don't. We include a new amplifier to power the subwoofer included in the d110 Subwoofer System. If you have your factory head unit, we also include all the necessary wiring you need to integrate this system with your factory head unit. This system also works with all aftermarket head units as well!
Will the d110 Subwoofer System be visible from within the car or require any permanent modifications?
No, our d110 Subwoofer System 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 in the trunk, because the BSW d110 Subwoofer Enclosure used has a stealth, clean look, it's hard to tell there's a sub system in your trunk, either!
No permanent modifications are required.
Does the BSW d110 Subwoofer System come with a warranty?
Yes, it sure does! The warranty is 2 years, parts only, on all components of the d110 Subwoofer System. If you ever have any issues, we're just a phone call away. Please note that this warranty DOES NOT cover subwoofers blown due to abuse.
Any other questions? Just contact us!