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Old 09-19-2011, 05:09 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 22,082
Mein Auto: 02 BMW 525i M54 auto 130K
I decided to run out to the store to buy a hydrometer, but, by the time I got the bright idea, it was dark and the stores had all closed.

So, on my trusty computer, I googled to search for decent battery replacements.

What I did wrong was I didn't realize a seach for a "2002 BMW 525i battery" would NOT get the cheapest batteries!
Almost all the batteries were in the 150 dollar range!

What I 'should' have googled for was any decent battery of the following specifications:
  • Group 49 (aka DIN H8)
  • or Group 95 (aka DIN H9)
Not knowing that, at the time, here's what I put into Pleiades' thread 'before' I realized my whole car-specific approach was wrong:
- E39 (1997 - 2003) > Good Replacement Batteries for the e39?

Quote:
Originally Posted by bluebee View Post
Following your advice, and doing additional research (so others benefit from the results), I find these batteries are listed as fitting my 2002 BMWS 525i sedan:

Pep Boys:
  • PB/Johnson Controls PJB
    • $105+ 9% tax, Bosch 49-850B, 850CCA, 140 RESERVE MIN
    • $155 + 9% tax, Bosch 94R730B, 730CCA, 140 RESERVE MIN
    • $200 + 9% tax, PS Platinum 95R850PP, 950CCA, 110 RESERVE MIN
Napa Auto Parts
  • $256 + 9% tax, Napa Legend International, BAT 7595R, 850 CCA, 190 min reserve
  • $144 + 9% tax, Napa Legend International, BAT 7549, 900 CCA, 185 min reserve
  • $235 + 9% tax, Napa Legend International, BAT 9849, 850 CCA, 170 min reserve
  • $169+ 9% tax, Napa BAT 8449, 900 CCA, 185 min reserve
O'Reilly (Kragen)
  • $157 + 9% tax, Super Start 94REXTJ, 765 CCA, 140 AH reserve capacity
  • $165 + 9% tax, Super Start 95R72J, 110 AH reserve capacity
Autozone
  • $155 + 9% tax, Duralast Gold 94R-DLG, 730 CCA, 140 min reserve capacity
  • $167 + 9% tax, Duralast Gold 95R-DLG, 850 CCA, 110 min reserve capacity
  • $125 + 9% tax, Duralast Gold H8-DLG, 760 CCA, 100 min reserve capacity
Firestone:
  • (prices not available on the Firestone web site), Interstate Mega-Tron II (specs not available on the Firestone web site)
  • (prices not available on the Firestone web site), Interstate Mega-Tron Plus (specs not available on the Firestone web site
BatteriesPlus
  • (no price on the web site) Rayovac Maximum SLI94RH7M, 790 CCA, no reserve listed [Replaces: 694RMF, MTPH7, SLI94R-LI, SLI94RH7-MERGE06252011]
  • (no price on the web site) Rayovac Maximum SLI49H8M, 900 CCA, no reserve listed [Replaces: 649MF, MTP93, MTPH9, SLI49-LI, SLI49H8-MERGE06252011, TY25224]
Sites that failed to bring up any batteries for a 2002 BMW 525i:
  • Walmart (the Walmart California sites brought up ZERO batteries!)
  • Sears (they didn't have the right size)
  • Target (nothing came up)
  • Costco (they don't have the right size but that's not listed on their web site; it's listed here)
Who'd have thought a car-specific search would be the wrong way to do it, but, I only realized that after the only two decently priced batteries that came of the search were:
  • $105 + 9% tax, Bosch 49-850B, 850 CCA, 140 reserve minutes (Pep Boys)
  • $105 + 9% tax, Duralast 49-DL, 850 CCA, 150 minutes reserve capacity (Autozone)
And, even then, the Duralast never showed up in that search (because, technically, it's the 'wrong' battery for the E39).

Last edited by bluebee; 09-19-2011 at 05:49 AM.
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