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'09 HP2S, '12 R12GSA, '00 Black 323iT, '02 Alpine 325iT (Track Wagon), '02 Alpine 330iT
Instagram @HillPerformanceBimmers
Email to George@HillPerformance.com
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I've been getting the red battery light on the cluster anywhere past 5k recently. I figured my VR was going out, so I replaced that and am still running into the same issue. Checking the voltage using the OBC I get ≈ 13.5V (±0.1) at idle.
Does this point to something else in my alternator failing and I should just get a new one?
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Originally posted by ejendow View PostI've been getting the red battery light on the cluster anywhere past 5k recently. I figured my VR was going out, so I replaced that and am still running into the same issue. Checking the voltage using the OBC I get ≈ 13.5V (±0.1) at idle.
Does this point to something else in my alternator failing and I should just get a new one?
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Originally posted by ejendow View Post
Not the original, but it is a Valeo alternator. I also used a Valeo VR.
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Originally posted by Slideways View Post
Were the brushes on the old VR fully worn out and not touching the contact point? If they were still good, then something else with the alternator might be bad. In which case, Rockauto has the best price for new Valeo alternators.
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Originally posted by ejendow View Post
They were worn, but definitely still making contact. Is this a definite alternator issue? Is 13.5V at idle (and I believe around high 12 low 13 at higher rpm) not enough to charge the battery? I have a relatively new battery and my car has been dying after it's been sitting for a while recently.
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I've noticed some weaker starts last year, and got a new battery this Spring. I started to notice it again, so used the hidden diagnostic (19 - test 9) and the battery showed 12.2 volts. I left the battery on my ctek for a day or two, and checked again using test 9 and it only now shows 12.4 volts. When I use my multimeter at the battery, it shows just above 13v. Why is there a discrepancy between the hidden diagnostic battery test and my multimeter? If it matters, I hook the ctek directly up to the battery and it fully finished and got to step 7 or whatever the "done" one is.
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Originally posted by bagger View PostI've noticed some weaker starts last year, and got a new battery this Spring. I started to notice it again, so used the hidden diagnostic (19 - test 9) and the battery showed 12.2 volts. I left the battery on my ctek for a day or two, and checked again using test 9 and it only now shows 12.4 volts. When I use my multimeter at the battery, it shows just above 13v. Why is there a discrepancy between the hidden diagnostic battery test and my multimeter? If it matters, I hook the ctek directly up to the battery and it fully finished and got to step 7 or whatever the "done" one is.
I think I didn't let the battery "calm down" enough when I took it off my ctek before busting out the multimeter. Good thing this is the dumb question thread ...
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Originally posted by IamFODI View Post
Are they TTY?
My original bolts and plates have been re-used 1 time as of this writing and that was when my diff was out for bushings. Replacing axles (in a month or two) would be re-use #2 which at that time, the bolts would have been tightened 3 times to the same plates. An output flange leak in the future would mean another disassembly, which could happen within my expected ownership of the car. I don't drive the car a lot, but at this point, I may keep it indefinitely.
Now, my local dealer really out-prices the big internet parts houses on Genuine parts, but no "lifetime" warranty. So then, the bolts are $50 cheaper at my dealer and the plate set $9 cheaper than FCP. My thinking is, FCP on the plates and replace at next disassembly if necessary (plates take the serrations on the bolt flanges), and save $50 by buying a new bolt set at the dealer and re-use them one or two more times since 1] I'm on re-use #1 and no problem and 2] some of you guys are also re-using as are many others on other forums. But FCP warranty is only as good as their terms, them in business, etc. Gawd, this rabbit hole...
EDIT: Latvia suppliers have interesting offerings...Last edited by PSUEng; 09-14-2024, 04:56 PM.
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Originally posted by PSUEng View Post
No. So here's my over-analysis on this:
My original bolts and plates have been re-used 1 time as of this writing and that was when my diff was out for bushings. Replacing axles (in a month or two) would be re-use #2 which at that time, the bolts would have been tightened 3 times to the same plates. An output flange leak in the future would mean another disassembly, which could happen within my expected ownership of the car. I don't drive the car a lot, but at this point, I may keep it indefinitely.
Now, my local dealer really out-prices the big internet parts houses on Genuine parts, but no "lifetime" warranty. So then, the bolts are $50 cheaper at my dealer and the plate set $9 cheaper than FCP. My thinking is, FCP on the plates and replace at next disassembly if necessary (plates take the serrations on the bolt flanges), and save $50 by buying a new bolt set at the dealer and re-use them one or two more times since 1] I'm on re-use #1 and no problem and 2] some of you guys are also re-using as are many others on other forums. But FCP warranty is only as good as their terms, them in business, etc. Gawd, this rabbit hole...
EDIT: Latvia suppliers have interesting offerings...2008 M3 Sedan 6MT
Slicktop, no iDrive | Öhlins by 3DM Motorsport | Autosolutions | SPL
2012 Mazda5 6MT
Koni Special Active, Volvo parts
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Everyone with a 02'+ m3 with braided oil return line(not vanos oil line), does your AN fitting on the oil pan side have a crush washer(between the AN fitting and oil pan surface)?
Realoem doesn't capture this part in the diagram. My fitting from bimmerworld didn't come with one, but it seems my 01' fitting had one.
Curious if anyone can take a peek.
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Washer: yes.IG: @limited.slip
Imola Red E46 330i ZHP Sedan S54 6MT
Alpine White E90 M3 6MT
Alpine White 1 Series M
A̶l̶p̶i̶n̶e̶ W̶h̶i̶t̶e̶ E̶4̶6̶ 3̶2̶5̶i̶ T̶o̶u̶r̶i̶n̶g̶ S̶5̶4̶ 6̶M̶T̶
T̶i̶t̶a̶n̶i̶u̶m̶ S̶i̶l̶v̶e̶r̶ E̶3̶9̶ 5̶4̶0̶i̶ M̶-̶S̶p̶o̶r̶t̶ T̶o̶u̶r̶i̶n̶g̶ S̶6̶2̶ 6̶M̶T̶
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Yes, and if I recall its the same size as the oil pan drain plug washer as well.'09 HP2S, '12 R12GSA, '00 Black 323iT, '02 Alpine 325iT (Track Wagon), '02 Alpine 330iT
Instagram @HillPerformanceBimmers
Email to George@HillPerformance.com
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