That's rule numbero uno when getting my cars serviced. I mention it to my SA and also stick a polite note on the dash for the Techs, just in case. My SA claims they appreciate that.
'15 i3 REX // Capparis // ZGW // ZTD // HK // 20"
20% Tint, Coding, LED High Beams/Signals, Painted Reflectors, MAX2 Hardwire
Past: F30 335i, E90 328xi