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  #1  
Old 10-27-2023, 05:17 PM
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Replacement alternator

So my alternator just went on my 2013 X5. Should i get a rebuilt, or get a new one?

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  #2  
Old 10-27-2023, 05:20 PM
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Replacement alternator

New. Rebuilt will use china voltage regulator the only part that typically fails.

Also I usually get mine from local store like O'Reilly that have national chain so I have a solid chance of an in stock swap if it fails.

Last X5 Alternator I replaced was only like $30 different new vs. reman.

Also: it's almost always just the VR that fails look into VR swap. Ihave the same motor but not sure which brand and if there is a VR repair kit like the M54 which for $20 returns it to like new status.
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  #3  
Old 10-27-2023, 07:11 PM
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+1 on replacing just the VR.

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  #4  
Old 10-28-2023, 04:23 PM
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I just had this happen on me x3 06 replaced it (VR) couple Mo's ago... haven't looked have since

Last edited by getty150; 12-13-2023 at 08:09 AM.
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  #5  
Old 12-07-2023, 07:52 PM
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New for sure. I replaced my 2013 e70 n55 alternator earlier this year by my self. If you happen to be a recovering alcoholic I wouldn’t suggest doing the job your self ��
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  #6  
Old 12-13-2023, 07:59 AM
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I have heard of two people buying "rebuilt" from a local nationwide parts store and having to go back four more times in as many weeks.
Another board member mentioned he knowing the south of the border rebuilder these stores used and "rebuilding" was basically a dip in a degreaser then a quick spray of paint.
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Old 12-13-2023, 10:56 AM
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I think the actual problem with the rebuilt is using crap voltage regulators.

I went though the double swap with alternator and I even used new Bosch went back to Valyo when the Bosch failed within ten miles.
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Old 12-13-2023, 08:53 PM
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Count me in on the rebuilt swap game from Oreillys. 2 alternators... then ordered a new aftermarket one on Ebay. That one is still in coming up on 4 years and puts out 14.4- 15.0v...

Yeah buy a new one. ; )
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  #9  
Old 12-14-2023, 10:10 AM
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Quote:
Originally Posted by crystalworks View Post
Count me in on the rebuilt swap game from Oreillys. 2 alternators... then ordered a new aftermarket one on Ebay. That one is still in coming up on 4 years and puts out 14.4- 15.0v...

Yeah buy a new one. ; )
I just had to install one on Archer. What an awful location for an alternator! Not a location you want to continuously disassemble, and reassemble more than once.


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Old 12-14-2023, 10:55 PM
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Quote:
Originally Posted by Happy View Post
I just had to install one on Archer. What an awful location for an alternator! Not a location you want to continuously disassemble, and reassemble more than once.


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By the third alternator... I was REALLY good at it. I could get it done in about 45 minutes.
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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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