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#1
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Trifecta simple question
It goes away sometimes on its own, sometimes if I restart the X5. I have an inexpensive code reader, but I think it is not enough to diagnose ABS errors. I'm limited to my code reader for diagnostic equipment. Is this problem a job for my Indy to figure out?
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2003 4.6is X5 2003 525it |
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#2
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Unlock the cluster and monitor your voltage. Most of the times I see random trifectas (sometimes accompanied by trans failsafe errors) it's a voltage issue as a result of a failing alternator.
It's not 100% that's your issue, but it's probably where I'd start. You have a chain driven TC so no actuator gear failure as a possible cause. Wait, is this on the 4.4 or the 4.6. If 4.4 then the gear could be the issue, listen for a tell tale knocking noise upon shutoff right under the driver's seat.
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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) |
#3
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#4
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And you'll be in-tune on what's going on with your Bimmers! They're awesome tool and can tweak/code/adjust features not enabled from BMW factory. And if you're stuck......members here are happy to help. |
#5
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Sorry Guys,
I'm working on my 2003 4.6is trifecta �� I haven't looked at advanced diagnostic equipment because I'm an Apple guy. All computers here are Apple. Actually, I have never owned a PC. Can I buy software for Apple ��? As for the alternator, the PO just replaced the water cooled unit about 500 miles ago. I also looked and have a 1 month old Interstate Battery. I haven't actually monitored the voltage, just assuming that charging system is not my problem. I will do that this week.
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2003 4.6is X5 2003 525it |
#6
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On the 4.6, I'd be looking at the alternator. No software needed for this. Just unlock the cluster and monitor the voltage. See if when you get the trifecta it coincides with a dip or rise in the voltage.
There are other possible causes, but again, I'd start with the alternator since it's easiest to check. Are you moving everytime the error occurs or does it happen at a stand still too?
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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) |
#7
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I have seen it light up at slow speeds, and at a standstill.
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2003 4.6is X5 2003 525it |
#8
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#9
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Thanks Jay,
I had the same issue on my 5 series wagon. I used Module Masters. Their price is 300. They have an EBay company that charges much less. Any good or bad with either company?
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2003 4.6is X5 2003 525it |
#10
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^Woops sorry Av8r... missed that the alt was new. Yes, I would follow Jay's advice then. Start cheap (wheel speed sensors) and then work your way up to the ABS module.
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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) |
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