Start with main thermostat, they are notorious for running cold, think I only ever changed one for an EGR in 25 years
What is it with BMW and poor quality thermostats/waterpumps/viscous fan and even radiators
Accountants override the engineers these days, timing chains you can add to that list as well :(
@lynx started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Start with main thermostat, they are notorious for running cold, think I only ever changed one for an EGR in 25 years