Check the listing for details. New Genuine Panasonic VL2020 Battery for Select BMW E38 E46 E60 E90 Key Fobs OEM. Condition: New. Listed at 9.75 USD. 1 New Panasonic VL2020 Battery For BMW Key Fobs E46 E60 M3 E39 M5 E53 X5 328 • Brand: OEM / Original / Genuine • Brand New and High Quality • Great part to replace the broken and non working CMOS Battery Key Fobs • This CMOS Battery is guaranteed to work • The small amount of memory on a computer motherboard that stores the BIOS settings • To reset the BIOS settings to their default levels • No memory effect. Chargeable even if it has not been used up yet. • High capacity battery • The real time clock battery CMOS BIOS backup battery • Will fix the following error codes: Systems battery error / System CMOS checksum bad / System Timer error / Real Time Clock ErrorCompatible: • for Panasonic VL2020 • for Panasonic E46 • for Panasonic E60 • for Panasonic E92 3 • for Panasonic 328 • for Panasonic 330 • for Panasonic E90