1. Please download the return form.
2. Fill out the basic data for the complaint.
3. Send the return form and proof of purchase by e-mail.
4. You automatically receive an e-mail with your transaction number e.g. CS12345
5. Please pack the rechargeable battery acc. Packaging instructions (dangerous goods class 9). For pick-ups from EU third countries, special policies apply, as shown in the "Return Guide".
6. Pick up by BMZ logistics partner. The pick-up can be done if the points 3 & 5 have been fully observed.
7. Diagnosis, error analysis, repair and final inspection. For returns outside the warranty, you will receive a detailed estimate from BMZ for release.
8. Return

Telephone support

Mondays to Fridays from 08:00 to 16:00

From May to September: Monday to Friday from 08:00 to 18:00

General Affairs E-Bike:
Service number: +49 6188 - 9956 9833

Power Systems:
Service number: +49 6188 – 9956 9833

Drive Systems:
Service number: +49 6188 – 9956 680

Derby - merchant:
Service number: +49 6188 – 9956 9832

ZEG – merchant:
Service number: +49 6188 – 9956 9833

SCOTT – merchant:
Service number: +49 6188 – 9956 680

ESS Energy Storage:
Service number: +49 6188 – 9956 9830

Recycling
Service number: +49 6188 – 9956 9833