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2010 2011 BMW 5 Series Forum F10 BMW F10 2011 550i with Dual Batteries! |
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10-05-2014, 06:58 AM | #1 |
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BMW F10 2011 550i with Dual Batteries!
on the process of installing BMS S2, I needed to disconnect the battery but I've found something different in my car, two batteries!
the question now is, why there is extra battery? and how to disconnect the two? (vin: C765321) |
10-05-2014, 04:24 PM | #6 |
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My car ('12 550i) has the same, it definitely for the active steer. As it was stated earlier, pulling the negative cable off the main battery will cut all power.
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10-05-2014, 06:12 PM | #8 |
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Bavarian Tech and aclockwrk
thank you for the info. as I said earlier, my brother has 535 with active steering (all wheel steering) with one battery only! for sure there is other things that require additional power. The 535 has same spec to the 550 except for ARS, NV, ACC. Maybe one of them is the reason of the additional battery one more thing, if I disconnect the battery, do I need to visit the dealer for adaptation or code clearing? Noggie thank you buddy, I don't have auxiliary heater. please see below car spec for reference. Production date: 09.12.2010 S1CDA Brake Energy Regeneration S4NBA Autom. climate control with 4-zone ctrl S4URA Ambient interior lighting S548A Kilometer-calibrated speedometer S212A Equipment, brake syst. country-specific S223A Electronic Damper Control (EDC) S229A Dynamic Drive S255A Sports leather steering wheel S258A Tire with run-flat functionality S2H9A BMW LM Rad V-Speiche 356 S2TBA Sport automatic transmission S2VAA Adaptive Drive Chassis & suspens. setup"Adaptive Drive" S2VHA Integral active steering S316A automatic trunk lid mechanism S322A Comfort access S323A Soft-Close-Automatic doors S3AGA Reversing camera S3AWA Washer nozzles, unheated S403A Glass roof, electrical S415A Sun-blind, rear S416A Roller sun vizor, rear lateral S423A Floor mats, velours S428A Warning triangle and first aid kit S430A Interior/outside mirror with auto dip S431A Interior mirror with automatic-dip S441A Smoker package S456A Comfort seat with memory S488A Lumbar support, driver and passenger S4CEA Fine woodgrain vers., Fineline anthrac. S502A Headlight cleaning system S508A Park Distance Control (PDC) S522A Xenon Light S524A Adaptive Headlights S5ACA High-beam assistant S5ADA Lane departure warning S5AGA Lane-change warning S5DFA Active cruise control+Stop&Go function S5DLA Surround View S5DPA Park Assistent S601A TV function S609A Navigation system Professional S610A Head-up display S620A Voice control S633A Preparation, mobile phone, Business S677A HiFi System Professional DSP S696A DVD changer S698A Area-Code 2 for DVD S6FHA Rear Professional entertainment center S6FLA USB/Audio interface S6UKA Night Vision with human recognition S6VCA Control for Combox S775A Headlining anthracite L822A GULF VERSION S823A Hot-climate version S825A Radio control Oceania S845A Acoustic belt warning S850A Additional Export tank filling S864A Retailer Directory Overseas S880A On-board vehicle literature English S887A On-board vehicle literature Arabic S8A3A Sprachversion arabisch S8KAA Oil-maintenance interval - 24 months/30,000 km S8SMA Car ident. number visible from outside S8SXA Prov.assignm.for Telematic/Online serv. S8TCA S8TLA Tagfahrlicht Front und Hech aktiv S8TNA Tagfahrlicht über Lichtmenü S925A Transport protection package P955A Middle-East package S993A model year code in VIN S9AAA Outer skin protection thank you all for your valuable help. |
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10-05-2014, 07:12 PM | #9 |
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I also have dynamic handling so that probably needs extra power I guess.
In terms of installing the BMS S2. I have installed and uninstalled numerous times, just disconnect the main negative terminal on the big battery. When you reconnect it all you have to do is reset the time and date, everything else is still in memory. |
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10-06-2014, 10:55 AM | #11 |
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Only for N63 equipped vehicles n diesel's.
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12-23-2015, 08:58 PM | #14 |
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Interestingly enough, my '14 550xi was in for service this week (~13k miles on the clock), and they replaced the battery. I was shocked (no pun intended). The SA said it was related to a BMW recall (or similar) action - batteries prematurely discharging? I've never had an issue with it, but I found it interesting that they were swapping these out. The car has only been on the road for 2 years and 13k miles. I've usually replaced batteries at around 5 years.
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2017 BMW 650xi Gran Coupe | MSport | Exec Package | Driver Assist Plus | ACC Stop & Go | Adaptive Drive | B&O | Night Vision | Cold Weather | Active Seats
2015 Audi R8 V10 | Brilliant Red on Black | S-Tronic | Carbon Sideblades | Carbon Trim | Full Leather | Sport Exhaust | Illuminated Doorsills | I-Pod | Contrast Stitching Previous: '14 550xi, '07 335i, '01 325i |
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10-27-2016, 11:35 AM | #15 |
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Sorry to resurrect an older thread.
However I'm now having active 4-wheel steering issues on my 535d F10 that I optioned up The original batteries are 5 years old, so I understand that they are a likely cause. I can get prices on the main battery from many after-market suppliers here in Australia ( sydney region) However the smaller auxialiary battery is a mystery. The dealer hasn't told me what its specs are - anybody here able to fill me in? Also is there any likely other culprits in the diagnostic chain that could cause this system to fail? |
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