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TiAgX5 03-06-2015 12:07 PM
Quote:
Originally Posted by Riggodeaux (Post 1029660)
Thanks, TiAgX5, for the volts target. I'll check it out tomorrow morning. The premium Bosch #49, 48 month battery I see at Pep Boys has different cca, etc. numbers shown and a price closer to $179 ....... My alt and battery are 30k miles/18 months old, garaged in mild GA weather, so shouldn't be going, but who knows?
That's the Bosch AGM battery, comes with an additional year of "free replace" coverage.

Downside, lower cranking amperage & reserve capacity ratings. I want maximum punch from the battery.

Ricky Bobby 03-06-2015 12:10 PM
Quote:
Originally Posted by TiAgX5 (Post 1029659)
That's it.

It was 35% off and & $20 Bosch rebate.

I think the $20 Bosch rebate has expired, I bought mine on the deadline "purchase by" day.
If I need it I have bookmarked the page, thats a damn good battery for about $110 after SECRET35 code and core charge

TiAgX5 03-06-2015 12:25 PM
No doubt.

I was planning on replacing the battery in a few months, saw that deal and jumped on it.

lps5053 03-06-2015 12:25 PM
Quote:
Originally Posted by Ricky Bobby (Post 1029664)
If I need it I have bookmarked the page, thats a damn good battery for about $110 after SECRET35 code and core charge
SECRET35 looks like it runs out tomorrow, 3/7. I just bought mine online and will be picking it up tonight. My Duralast in my car is an 8/12 but I figure it won't last much longer. For $110 after core and rebates, I think it's worth it to just replace it now.

estorilx53 03-06-2015 06:06 PM
Quote:
Originally Posted by ScoobyDooBMW (Post 1029609)
You're lucky you didn't blow something. You don't test the alternator that way anymore. That was old school long ago. That's a no no these days with computers and such. At least that's what my good friend/mechanic tells me.
I have fixed The trifecta problem

All i have to do was to turn the wheel all the way to the left and turn it to the right all the way.. And the trifecta light turned off ..

Thank you guys hope this helps

Riggodeaux 03-07-2015 07:20 PM
The meters at two local parts shops show a bad diode in my alternator. Sigh. Occasional trifectas, as well as just the 'no AWD' light kicking on. I have the Bosch compact -599 120 amp alt in it, so I'm leaning toward getting a Bosch reman unit from autohausaz at $199 [after core return] unless you guys convince me otherwise. I will do it myself [I'll get the 32mm fan tool off ebay] when I also pull the transfer case gear and this time replace it [I have the part; maybe 10k miles ago, just turned it] since I also get the tell-tale 'click' occasionally. Frustrating, especially since the alt. was replaced less than 30k miles ago when I bought the vehicle. That said, it is a 9 y/o vehicle .....

ScoobyDooBMW 03-07-2015 08:17 PM
Quote:
Originally Posted by Riggodeaux (Post 1029812)
The meters at two local parts shops show a bad diode in my alternator. Sigh. Occasional trifectas, as well as just the 'no AWD' light kicking on. I have the Bosch compact -599 120 amp alt in it, so I'm leaning toward getting a Bosch reman unit from autohausaz at $199 [after core return] unless you guys convince me otherwise. I will do it myself [I'll get the 32mm fan tool off ebay] when I also pull the transfer case gear and this time replace it [I have the part; maybe 10k miles ago, just turned it] since I also get the tell-tale 'click' occasionally. Frustrating, especially since the alt. was replaced less than 30k miles ago when I bought the vehicle. That said, it is a 9 y/o vehicle .....
Hey at least you figured it out. I'd replace it and be done with it.

jdstrickland 03-07-2015 09:23 PM
You can replace the voltage regulator, you do not have to get the entire alternator.

This might be the wrong unit, but you need Item 2,

RealOEM.com * BMW E53 X5 3.0i Generator single parts 120A Bosch

Riggodeaux 03-08-2015 09:46 AM
Pardon my ignorance, but I thought the six? diodes in the alt were internal and different from the voltage regulator. If a diode problem, I have to replace the alt, and not just the VR, correct?

TiAgX5 03-08-2015 09:57 AM
Diode replacement........

How to rebuild Bosch water cooled alternator


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