The head-gasket is cracked. Head-gasket failures are commonly due to overheating. When BMW I6 engines overheat, the head can warp easily. If the head-gasket is repaired, make sure that the head is inspected for cracks and that is is planed before re-installation.
A 2001 BMW 325i has two coolant temperature sensors. They constantly monitor the temperature and adjust flow as needed.
Water
BMW 330i with the sport pack
Use an ipod charger and charge it on the outlet
it has chain
in the intake air box
BMW coolant from dealer. It is blue in color and can be purchase fairly cheap at any BMW dealer ship. Around $20 for a gallon. Hope this helps.
650
I do not see the 2004 BMW 325i listed in aftermarket catalogs which suggests its a dealer-only part number. Since you have to go to the dealer, they can get you the correct parts.
The temperature sensor on a BMW 325i is located on top of the engine, near the upper radiator hose. It constantly monitors the temperature of the coolant and triggers the cooling fan as needed.
poop
driver 22" passenger 20"