[Sergekart]

Быть может ноги отсюда растут:

Conditional based service is an evolution of BMW’s standard service indicator system previously fitted across the model range. It was first introduced in 2002 when the ‘new’ 7’ series model was launched and is now a standard feature on the following models:
1’ Series E87 (2004 on)
3’ Series E90/91 (2004 on)
5’ Series E60/61 (2003 on)
6’ Series E63/64 (2004 on)
7’ Series E65/66 (2002 on)