It could be exciting if either or both aircraft park at a remote stand requiring a bus ride to or from the terminal. They never seem to bus you direct from plane to plane. On the other hand, LH
doesn't like to have passengers miss their connections. If it is close they may have a minibus at the remote stand to pick up pax with tight connections, rush them to the "short connection" passport control, and then bus them to the terminal. I had this "service" about 18 months ago. I was flying with a 70 year old man who couldn't walk fast. We were escorted by an LH
employee who sped us along as fast as he could go. When we got to the plane I didn't have time to take off my coat before the door slammed shut and we pushed back. Our connection time was 60 minutes. If no remote stands are involved it can still be a hassle if passport control is required, but tell an LH
employee and they can be very helpful.