Below is what is on the Discover Baja Travel Club website; I suggest that people check the facts and not listen to rumors. If in doubt call them.
Mexican tourist permits, or FMMs (Forma Migratoria Multiple), are required for all non-Mexican citizens entering Baja. As of September 2015, the “free zone” for FMMs (trips within the 20 kilometer border zone for less than 72 hours) is no longer valid and everyone entering Mexico will need to obtain an FMM. A passport or passport card is required to obtain an FMM.
VEHICLE PERMITS AND FINANCED VEHICLES
No vehicle permit is required if you are only driving in the Baja peninsula or to Puerto Peñasco. If you will be driving outside of Baja or Puerto Peñasco, you will need a vehicle permit.
Vehicle permits are $48 and are valid for six months. The permits are good for multiple entry so may take your car in and out of Mexico as many times as you want during the six month period. You must also pay a deposit which will be refunded after the six month period when you have returned your permit.
Deposit prices for vehicles:
$200 if vehicle is 2000 and older
$300 if vehicle is 2001-2006
$400 if vehicle is 2007 and newer
Motorhome and boat permits are valid for up to 10 years.
