when i turn on my ac the temperature gage rises to red zone when i turn it off the tenperature gage goes back to normal. can anyone tell me what this could possibly be?

Asked by Jul 22, 2014 at 05:57 PM about the 2002 BMW 5 Series 530i

Question type: General

1 Answer

148,985

1) low coolant 2) added load of A/C compressor running 3) fan not coming on 4) thermostat in engine 5) water pump failing 6) something blocking radiator (that one's a long shot)

Your Answer

Add photo

Related Questions

Search BMW 5 Series Questions

BMW 5 Series Experts

#1 Tom Demyan
Tom Demyan
Reputation 1,950
#2 Michael Branan
Michael Branan
Reputation 770
#3 Robert Charlson
Robert Charlson
Reputation 670
View All

Related Models For Sale

Used BMW 3 Series
1,260 Great Deals out of 36,517 listings starting at $1,233
Used BMW 7 Series
176 Great Deals out of 5,801 listings starting at $3,995
Used Mercedes-Benz E-Class
504 Great Deals out of 22,997 listings starting at $1,450
Used BMW X5
383 Great Deals out of 15,126 listings starting at $1,995
Used BMW 6 Series
100 Great Deals out of 3,242 listings starting at $4,895
Used Mercedes-Benz C-Class
710 Great Deals out of 31,496 listings starting at $1,005
Used BMW M5
32 Great Deals out of 648 listings starting at $12,499
Used Audi A6
135 Great Deals out of 7,071 listings starting at $1,600
Used BMW M3
63 Great Deals out of 1,931 listings starting at $4,988
Used Mercedes-Benz S-Class
173 Great Deals out of 6,410 listings starting at $2,950
Used Honda Accord
746 Great Deals out of 79,955 listings starting at $899
Used Audi A4
225 Great Deals out of 11,082 listings starting at $1,333

Used Cars For Sale

2017 BMW 5 Series 530i For Sale
198 listings starting at $53,345