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The BMW Range
5 Series
E39
e39 ICE
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<blockquote data-quote="Vanquish" data-source="post: 185900" data-attributes="member: 84"><p>PB,</p><p> </p><p>The E39 IMO, is an excellent platform for ICE application thanks to its rock solid build quality and inherent cabin acoustics. The rather sizeable boot allows for a number of subwoofer installation - IB or free air being one of them. The only drawback of an IB install is that in most cases the bass quality/quantity may not match the output of a decent sealed/ported enclosure but it does leave you with the whole boot space for your other use. Just be careful when you pick the subs for IB installs as NOT all subs are designed for IB application and you'll need to ensure that the rear magnets of the sub are slim enough not to protrude too much into the boot.</p><p> </p><p>Do remember that despite the superb sound proofing/insulation laid out at the factory, any IB install could benefit from additional sound proofing done as the idea of the IB install itself is to use the entire boot as a large pseudo sealed enclosure - which means any leaks or holes will have a detrimental effect on the bass reproduction. Just as important is the strengthening and sound proofing of the rear parcel shelf itself or the addition of another mounting platform for the subs as unwanted baffle resonance, vibration and flexing could ruin the entire installl itself. So, as you can see it's not as easy as just hanging a couple of subs to the rear parcel shelf if you're serious about getting it done right.</p><p> </p><p>As for such installs, I believe a few 5ers have already done so and you could probably speak to them for pointers/feedback. Our stock alternators in general - whether a 3er/5er/7er are pretty strong and can easily accomodate a couple of amps without straining themselves too much. A simple set up could consists of a 4 channel amp for the front/rear speakers while a 2 channel amp (bridged) or a monoblock amp could take care of the subs. Adding a power capacitor into the mix would also be a good idea and help take some strain away from the alternator/battery.</p><p> </p><p>So, the all important question at the end of the day would be - what exactly are you looking for and what sort of budget are you able to spare.</p><p> </p><p>Regards,</p><p>VaN.</p></blockquote><p></p>
[QUOTE="Vanquish, post: 185900, member: 84"] PB, The E39 IMO, is an excellent platform for ICE application thanks to its rock solid build quality and inherent cabin acoustics. The rather sizeable boot allows for a number of subwoofer installation - IB or free air being one of them. The only drawback of an IB install is that in most cases the bass quality/quantity may not match the output of a decent sealed/ported enclosure but it does leave you with the whole boot space for your other use. Just be careful when you pick the subs for IB installs as NOT all subs are designed for IB application and you'll need to ensure that the rear magnets of the sub are slim enough not to protrude too much into the boot. Do remember that despite the superb sound proofing/insulation laid out at the factory, any IB install could benefit from additional sound proofing done as the idea of the IB install itself is to use the entire boot as a large pseudo sealed enclosure - which means any leaks or holes will have a detrimental effect on the bass reproduction. Just as important is the strengthening and sound proofing of the rear parcel shelf itself or the addition of another mounting platform for the subs as unwanted baffle resonance, vibration and flexing could ruin the entire installl itself. So, as you can see it's not as easy as just hanging a couple of subs to the rear parcel shelf if you're serious about getting it done right. As for such installs, I believe a few 5ers have already done so and you could probably speak to them for pointers/feedback. Our stock alternators in general - whether a 3er/5er/7er are pretty strong and can easily accomodate a couple of amps without straining themselves too much. A simple set up could consists of a 4 channel amp for the front/rear speakers while a 2 channel amp (bridged) or a monoblock amp could take care of the subs. Adding a power capacitor into the mix would also be a good idea and help take some strain away from the alternator/battery. So, the all important question at the end of the day would be - what exactly are you looking for and what sort of budget are you able to spare. Regards, VaN. [/QUOTE]
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