D4 VEA 6th birthday cost avalanche

I can give the following gifts to my V70 – 8 gear automatic with a mileage of just under 150,000km: The topics have appeared in the course of the annual service. The Volvo workshop tries to achieve a cost share of the first two positions in Kulanz via the manufacturer. Nevertheless, I calculate for myself with costs of 2-3 TEUR. So far I have perceived this engine transmission combination as sprint-strong, cost-effective and comfortable. The effort for annual services, partly also with replacement of locking parts e.g. brakes, was mostly in the three-digit EUR range. So there was no reason to look for alternatives. What can I expect from motor/gears at this KM stand in the next years? Based on your feedback, I see three possible ways for me: Would I be very pleased about your information / comments!