coolant boiling out of resorior

Asked by Jan 22, 2015 at 08:21 PM about the 2006 BMW 7 Series 750Li

Question type: General

changed themastat  car still over heating coolant boiling out of coolant bottle cap

4 Answers

23,025

Radiator cap might also be bad, if it can't maintain adequate pressure and allows coolant to overflow at lower temps than normal. But if it is 'boiling over,' then you might want to have the radiator fluid tested for carbon compounds indicative of a blown head or intake gasket. NAPA sells something called a "combustion leak block tester." (escaping combustion gases are leaking into the coolant and causing it to boil and overflow.)

25

Did you bleed the air out of the coolant system?

Check your water pump.

1,275

Bleed your cooling system

Your Answer

Add photo
7 Series

Looking for a Used 7 Series in your area?

CarGurus has 6,226 nationwide 7 Series listings starting at $3,700.

ZIP:

Search BMW 7 Series Questions

BMW 7 Series Experts

#1 lweems
lweems
Reputation 1,630
#2 Vince Lee
Vince Lee
Reputation 520
#2 Tom Demyan
Tom Demyan
Reputation 520
View All

Related Models For Sale

Used Mercedes-Benz S-Class
140 Great Deals out of 6,428 listings starting at $2,300
Used BMW 5 Series
519 Great Deals out of 14,793 listings starting at $1,375
Used BMW 6 Series
81 Great Deals out of 3,332 listings starting at $4,500
Used Audi A8
48 Great Deals out of 1,832 listings starting at $2,990
Used BMW 3 Series
1,101 Great Deals out of 35,764 listings starting at $900
Used Mercedes-Benz E-Class
466 Great Deals out of 22,738 listings starting at $1,999
Used Mercedes-Benz CLS-Class
70 Great Deals out of 2,269 listings starting at $6,786
Used BMW X5
393 Great Deals out of 15,964 listings starting at $1,300
Used Land Rover Range Rover
100 Great Deals out of 4,743 listings starting at $5,900
Used Lexus LS 460
93 Great Deals out of 2,698 listings starting at $8,995
Used Jaguar XJ-Series
69 Great Deals out of 2,201 listings starting at $1,595
Used Dodge Charger
244 Great Deals out of 27,483 listings starting at $1,997
Used Cadillac Escalade
260 Great Deals out of 10,612 listings starting at $1,900
Used BMW M5
18 Great Deals out of 611 listings starting at $13,997

Used Cars For Sale

2015 BMW 7 Series 750Li For Sale
49 listings starting at $39,395
2014 BMW 7 Series 750Li For Sale
21 Great Deals out of 219 listings starting at $34,081
2013 BMW 7 Series 750Li For Sale
7 Great Deals out of 91 listings starting at $26,599