German casualties during the battles of Wysoka and Jordanów (in Jordanów region) on 2nd of September were around 50 - 60 tanks. Two tank companies suffered the major part of these losses - 3. company and 1. company from I./Panzer-Regiment 3.
If it comes to men losses, at least around 40 KIA can be counted in photos which show German graves after the battle (there are two such photos with two different groups of graves).
Fallen soldiers from 3. tank company during the Polish Campaign:
2nd of September (Wysoka) - 11 KIA - including one of two Zugfuhrers - Leutnant von Ronne
8th / 9th of September - 1 KIA
11th / 12th of September - 2 KIA
24th of September - 3 KIA
According to official statistic - from history of 2. Panzer-Division - Panzer-Regiment 3. lost 60 KIA and 60 WIA in period 1st of September - 20th of September 1939 (casualties suffered after 20th of September - like those 3 KIA from 3. company - are not included here).
On 8th of September during the battle of Biskupice Radłowskie (at the river Dunajec) commander of II./Panzer-Regiment 3. - Oberst Herbert Baumgart - was KIA.
His tank was succesfully hit 3 times by Polish direct artillery fire and AT gun fire - 3 members of crew were killed, including Baumgart.
During the battle of Biskupice Radłowskie on 8th of September II. battalion of Panzer-Regiment 3. lost 18 KIA (including 2 officers - Baumgart among them), 2 or 1 MIA, 21 WIA and 7 POWs.
During that battle aide-de-camp of the battalion and commanders of 6. and 8. companies (Hauptmann Liese and Hauptmann Maerker) were very heavily wounded.
23 tanks (10 Pz-I, 9 Pz-II, 2 Pz-IV and 2 Pz-BefWg) from II./Panzer-Regiment 3. were completely destroyed during the battle of Biskupice - many more were damaged.