Hi I have just purchased a Passat 57plate 170PD with a BMR engine code that has been maintained impeccably by its previous owner (service at least every 10k and replacement parts etc) however I am concerned about the oil pump having read online.

My Chassis number is:
WWWZZZ3CZ8EO18284

It has 100k miles on the clock and I was hoping for a workhorse up to 200k.

Is this a gear or Chain driven oil pump?

Would you buy a KMB kit, just change the hex key or just drive it until it fails?

Any advice greatly appreciated………. My mk5 golf 1.9tdi did 250k no issues and only serviceable items…..maybe they don’t make them like the olden days 😂