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#11
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But it seems all USA-market cars DO have some form of amp in the trunk - usually the BM54 receiver/amp under the spare and another amp in the left cubby (and/or the DSP amp). Or so I hear/read/am told.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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#12
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Does a BM54 complicate upgrading? The dash din unit does have a power up option, like 0-5 setting. I have it on 4. The RR speaker tested 0 ohms. What DVM setting do I use to test wire output? Is the signal only up and down? I'll take a peak in the left cubby. I don't remember seeing a box there. It's mostly a big open space. The BM54 box looks big. The spare tire area doesn't have one that big.
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'06 X5 3.0i - bought @143,123 miles (12/26/20) |
#13
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I tore it out and replaced it all, so I’m not sure how the old amp plays with upgraded speakers.
Open the left trunk cubby and look down into the bowls of that opening. The non-dsp amp I had was a small unit (with an “Alpine” stamp on it) mounted to a metal bracket that seemed needlessly complicated, but I think was designed to mount additional options we didn’t buy the car with. Pic from when I was mocking up my amp upgrade project but hadn’t removed the oe amp yet: Blue arrow points to the bracket and I circled the top of the amp. It’s a tiny box, maybe 5” x 5”, which likely accounted for the crappy power it put out.
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Current Original owner 2002 E53 X5 4.4i to 4.6i swap 2025 G06 X5 50e Former 1972 Audi Fox 1986 Saab 900S 1996 BMW Z3 1998 BMW E36 M3 Sedan 2004 BMW E46 M3 2006 Audi A3 Quatro 1993 Mopar 318 Jeep Grand Cherokee 2015 V6 Jeep Grand Cherokee |
#14
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Cut the mounting tabs off the replacement 6.5" drivers and they will drop right into the factory speaker door pods. To remove the factory 2ohm speakers you can use an exacto knife to cut the silicon adhesive that goes around the perimeter. I used 3M VHT to temporarily adhere my new drivers and then ran a bead of silicon around the perimeter as factory. Looks almost OEM. Like below:
As others have mentioned, business audio (NA model) has an amp in the left hatch cubby. And 4ohm speakers will work fine in place of the 2ohm, but will be "underdriven." My wiring diagrams will do you no good as they are for DSP equipped X5's, but I could probably pull the business audio ones from TIS if you need them.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) Last edited by crystalworks; 08-19-2024 at 11:59 PM. |
#15
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Sweet! I didn't think about cutting the speaker mounting ears. Good to know a 6.5" will fit too.
While waiting for the A/C to cool down the inside, I took a peak at the rear cubby hole. I assume this module is a business AMP. If wiring colors do change from there to the speaker, it's going to get complicated. Continuity check to the speaker and power output. I was hoping for a direct woofer swap. Now, I have to pinout the original connector and wire it back up. If I understand correctly, this amp has to work correctly in order to replace the din module. Right?
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'06 X5 3.0i - bought @143,123 miles (12/26/20) |
#16
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Quote:
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#17
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Dang those Kappa’s are mighty fine!
E53 RiPPeR XOuTPoST jUNkiE ReVELaTiON 22:21
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
#18
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A Dremel will work fine on the speaker ears, or a belt sander works great as well, which is what I used.
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Current Original owner 2002 E53 X5 4.4i to 4.6i swap 2025 G06 X5 50e Former 1972 Audi Fox 1986 Saab 900S 1996 BMW Z3 1998 BMW E36 M3 Sedan 2004 BMW E46 M3 2006 Audi A3 Quatro 1993 Mopar 318 Jeep Grand Cherokee 2015 V6 Jeep Grand Cherokee |
#19
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[QUOTE=Henn28;1240632]The speaker replacements are the hard part. As long as you are going that far, a new amp and head unit with RCA cables are just a bit farther to go! Use the OE speaker and trigger wires. OK... running the RCA cable is a bit of a pain too, but it will sound so much better than the OE amp.
This is what I have planned once I've upgraded my front speakers which are currently sat in a box waiting to be fitted , my question is do the speaker wires run from the doors to the rear and all the splitting and crossovers from factory are in the rear so I can just find the appropriate wires and connected direct to amps. |
#20
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This is what I have planned once I've upgraded my front speakers which are currently sat in a box waiting to be fitted , my question is do the speaker wires run from the doors to the rear and all the splitting and crossovers from factory are in the rear so I can just find the appropriate wires and connected direct to amps.[/QUOTE]
I believe the crossover is done by the amp as I didn’t find any crossover boxes in my doors. You can definitely split the wires out of the connector, identify the various speaker wires, and hook the straight into a new amp. Identifying which wires go to which door/component can be confusing because the wires change colors somewhere in route to each location. Bentley gets you 90% of the way, and then I recommend using a AA battery at the amp end of the wires to check both the connection and polarity is correct at the speaker end. Label each one as you break them out of the plug. https://m.youtube.com/watch?v=pmU-Ky...F0dGVyeQ%3D%3D
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Current Original owner 2002 E53 X5 4.4i to 4.6i swap 2025 G06 X5 50e Former 1972 Audi Fox 1986 Saab 900S 1996 BMW Z3 1998 BMW E36 M3 Sedan 2004 BMW E46 M3 2006 Audi A3 Quatro 1993 Mopar 318 Jeep Grand Cherokee 2015 V6 Jeep Grand Cherokee |
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