Method for operating a magnetic resonance (="MR") apparatus with a super-conductive MR magnet coil system which is arranged in a vacuum container and is dry (="cryogen-free") in MR measuring mode, and with a cryostat for cooling the MR magnet coil system, which comprises a neck tube that leads through an outer casing of the vacuum container to the MR magnet coil system, wherein a cooling arm of a cold head is arranged at least partially in the neck tube, and wherein the super-conductive MR magnet coil system is cooled to a super-conductive temperature before being supplied with an electrical charging current, comprising the following steps for autonomous electrical charging of the super-conductive MR magnet coil system: initiating a cooling operation of the super-conductive MR magnet coil system; initiating an automatic current charging program for the super-conductive MR magnet coil system; measuring the actual temperature T coil on the MR magnet coil system and comparing T coil with a predefinable first temperature setpoint value T1 ramp as of which the MR magnet coil system is super-conductive and should be charged, as well as measuring the actual temperature T istshield on a radiation shield and comparing T istshield with a predefinable first temperature setpoint value T shield; if T coil ≤ T1 ramp and if T istshield ≤ T shield: supplying a charging current to the MR magnet coil system and charging the MR magnet coil system with electric current; (c) measuring the electric current I coil currently flowing in the MR magnet coil system and comparing I coil with a predefinable first current setpoint value I1 target at which the MR magnet coil system generates a desired magnetic field strength; (d) repeating steps, and (c) until I coil = I1 target; (e) deactivating the current supply to the MR magnet coil system and stopping the automatic current charging program. comprising the following steps for autonomous electrical charging of the super-conductive MR magnet coil system: initiating a cooling operation of the super-conductive MR magnet coil system; initiating an automatic current charging program for the super-conductive MR magnet coil system; measuring the actual temperature T coil on the MR magnet coil system and comparing T coil with a predefinable first temperature setpoint value T1 ramp as of which the MR magnet coil system is super-conductive and should be charged, as well as measuring the actual temperature T istshield on a radiation shield and comparing T istshield with a predefinable first temperature setpoint value T shield; if T coil ≤ T1 ramp and if T istshield ≤ T shield: supplying a charging current to the MR magnet coil system and charging the MR magnet coil system with electric current; (c) measuring the electric current I coil currently flowing in the MR magnet coil system and comparing I coil with a predefinable first current setpoint value I1 target at which the MR magnet coil system generates a desired magnetic field strength; (d) repeating steps, and (c) until I coil = I1 target; (e) deactivating the current supply to the MR magnet coil system and stopping the automatic current charging program. initiating a cooling operation of the super-conductive MR magnet coil system; initiating an automatic current charging program for the super-conductive MR magnet coil system; measuring the actual temperature T coil on the MR magnet coil system and comparing T coil with a predefinable first temperature setpoint value T1 ramp as of which the MR magnet coil system is super-conductive and should be charged, as well as measuring the actual temperature T istshield on a radiation shield and comparing T istshield with a predefinable first temperature setpoint value T shield; if T coil ≤ T1 ramp and if T istshield ≤ T shield: supplying a charging current to the MR magnet coil system and charging the MR magnet coil system with electric current; (c) measuring the electric current I coil currently flowing in the MR magnet coil system and comparing I coil with a predefinable first current setpoint value I1 target at which the MR magnet coil system generates a desired magnetic field strength; (d) repeating steps, and (c) until I coil = I1 target; (e) deactivating the current supply to the MR magnet coil system and stopping the automatic current charging program.