Hi,
why don't you write an email to customers service in Munich and add some pictures??
your dealer's opinion is unacceptable.
best regards jürgen
BMW Kundenbetreuung
80788 München
Service Rufnummer:
01802 - 32 42 52
Montag - Sonntag von 8:00 - 22:00 Uhr
Service-Fax:
01802 - 123484
E-Mail:
kundenbetreuung@bmw.de