03-10-2018, 05:14 PM | #1 |
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What is best battery replacement for the F10 M5
What is best battery replacement for the F10 M5
I've been using the optima 34R but it doesn't like a full discharge
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White |
03-10-2018, 06:32 PM | #2 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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Something that doesn’t weight 70lbs...
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03-11-2018, 09:43 AM | #4 | |
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https://www.getbmwparts.com/oem-part...10-61217857288 allmotor, which one are you using?
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White Last edited by steeve13m; 03-11-2018 at 09:55 AM.. |
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03-11-2018, 12:48 PM | #6 | |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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03-11-2018, 12:54 PM | #7 |
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03-11-2018, 01:34 PM | #8 |
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I am giving this battery one last chance.....weighs way less than oem.....800cca......Optima Batteries 8003-151 34R RedTop Starting Battery
I accidentally drained the battery after leaving car parked one week with no trickle charger......it has not performed well ever since....shorter reserve time and less crank juice.......just bought a new one and will make sure to trickle charge with the optima charging unit.....should be fine since I've had the battery on other cars with good success Last edited by steeve13m; 03-11-2018 at 01:40 PM.. |
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03-11-2018, 04:09 PM | #10 | ||
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03-11-2018, 05:41 PM | #11 |
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I agree and why I am getting a new one....or probably a drain from aftermarket items like upgraded stereo amp, JB4, laser jammer ...who knows
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White Last edited by steeve13m; 03-11-2018 at 06:16 PM.. |
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03-11-2018, 05:41 PM | #12 |
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Yes lithium is the way to go for weight savings....at a nice co$t....the downside is you lose a % of the much needed rear wheel tire traction by reducing weight (i've run Braille batteries before)
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White |
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03-11-2018, 05:57 PM | #13 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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I meant it as in 38lbs is heavy for a replacement. I am looking at 21lb options. M5 is a heavy dog... you can still get traction. I have the meth tanks and will have a very heavy billet diff brace.
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03-11-2018, 06:14 PM | #14 |
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I ran the Braille 21lbs battery B3121 on previous BMW.....doesnt last long and weak reserve time.....I went back to Optima
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White |
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03-11-2018, 11:13 PM | #15 |
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I did the Braille on my 2002 C5. It didn't last long before the battery was toast. I can't imagine one surviving in a M5 long at all.
I bet a Li-Ion could pull it off at 21lbs, but I suspect there are issues with that swap. |
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03-12-2018, 01:31 PM | #16 |
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I agree that you should be able to park for a week and still start. I just did that a couple weeks ago with my M5.
However, I've had (4) 5-series cars now and they are prone to running down the battery because of all the electronics, when some module is faulty or refuses to go to sleep like it is supposed to and then you end up with a flat battery after a few days. Typically you find this out after you buy a new battery and then you find out it still goes dead. I've been through this with E39 and E60's. |
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08-26-2018, 08:59 AM | #17 | |
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I know this is a relatively older thread but I am having a drainage issue that is strange. I replaced the battery in my m5 and even after replacing it still needs a jump start. Drove it around for an hour turned it off and tried to restart, again needed to be jumped. This has been going on for the past couple of days. I registered the battery but still get the Increased discharge warning. Unplugged the IBS last night after parked, get no warning but car still doesn't want to start without a jump. When I placed the jump pack on it, the voltage was at 9 amps. It's a new battery?!?! What would you guys suggest my next move to be. Plan to take it in to BMW Monday but any info before will help. Thank you in advance. |
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08-26-2018, 03:45 PM | #18 | |
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08-26-2018, 04:06 PM | #19 |
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After an hours worth of driving, it should have fully charged. I'm thinking this is a bad battery.
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08-26-2018, 09:19 PM | #20 | |
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08-26-2018, 09:29 PM | #21 | ||
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08-27-2018, 04:12 PM | #22 |
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Agreed it could be you got a bad battery, everyone is skeptical because that's uncommon and usually continued battery problems after replacing the battery means unresolved electrical problem in the car.
Get the new battery checked and replaced and see if that solves your problem. If not, move on to diagnosing the car. |
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