DONE THE SAME CHANGED FROM A BMW TO A 220D AND FOUND THE SAME TEMP GUAGE NEVER REACHES HALFWAY AND TAKES AN AGE TO GET WARM 15 MINUTES AT LEAST THE BM WAS A LOT QUICKER AND ALWAYS DEAD CENTRE ON THE GUAGE
only had my 220d for four weeks and im only getting 33 mpg and thats half on the motorway and half on A roads. i've booked it in at lexus manchester and when they sort it out i'll let you know what they say the problem is