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SIB 65 20 12: Battery service information

Battery service information on BMW E82/E88/E89/E90 and other models (2010–2013); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10149316 · Jan 2013 · also written SI B65 20 12, B652012

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

RAD2plus: Radio Causes Battery Drain. The vehicle's battery state of charge is very low after the vehicle was parked for a longer period of time (e.g., overnight). The RAD2+ radio doesn't allow the vehicle to enter full sleep mode, and causes a current draw from the battery with ignition off.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 65 20 12
Also written: SI B65 20 12, B652012, 65 20 12, SIB-65-20-12, SI B652012
NHTSA ID10149316
Document IDs filed652012
TypeService bulletin
Date
Models1 Series, 1 Series M, 128i, 135i, 328, 328i, 335, 335d, 335i, 335IS, M3, Z4
Model years2010–2013
ChassisE82, E88, E89, E90, E92, E93, F30, F31, F34
EnginesM57, N20, N52, N54, N55, S65
Component (NHTSA)Electrical System › 12v/24v/48v Battery
Equipment › Electrical › Radio/Tape Deck/Cd Etc.

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

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Before you pay: check your VIN for recalls

Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.

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Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.

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