07-13 BMW 3 Series Smart Fob Entry Guide
A maximum of 4 key remote transmitters can be programmed.
Program remote or key when remote transmitter added, replaced or system malfunction.
There is no onboard programming procedure for BWM 3 Series (E92/93) 2007-2013. These vehicles requires special equipment be connected to the vehicle to program the keyless remote. Please contact your dealer or automotive locksmith.
Without Smart Entry. Notes, no battery replacement necessary. Use each key in ignition switch for a long trip once a year to recharge batteries.