Just replace the main thermostat. Btw, now would be a great time to do an egr race pipe, if you're still on the stock Harmonic dampener you should replace with either fluidamper or FAI automotive, you should do both belts, water pump, and clutched alternator pulley.
__________________
2011 335d tuned by B.R.R.
2011 X5 35d tuned by B.R.R.
|