Took car to dealer for air bag replacement. On way home belt broke loose, power steering shaft broke, cut through thermostat housing. repaired all but did not know to bleed antifreeze.

5

Asked by Nov 10, 2016 at 08:24 PM about the 2004 BMW 3 Series 325Ci Convertible

Question type: Maintenance & Repair

Drove car for 3 months when car suddenly over heated. Had car towed
home. Car would not start. Changed fuel pump. Car runs but will not
accelerate. changed spark plugs and coils. Still on't go over 10 MPH. The
codes read P0300 random cylinder misfire, P0500 vehicle speed sensor
"A" P0113 Intake air temperature sensor 1 circuit high, P0102 Mass or
volume air flow circuit low input, p0117 engine coolant temp. circuit low,
P2240 O2 sensor positive current control circuit open, P305m, P0302,
P0301, P0306 cly's 5,2,1 & 6 misfire i love working on this car but, I also
love driving it once in a while. I believe that the head gasket is blown. Took
a long time but see a little gunk on oil cap. I use best castrol oil they have.
please help I am at a loss. ( wifes car )

2 Answers

228,515

Little gunk on the cap is normal for full synthetic oil if you drive short trips. To bleed the air out of the system make sure the engine is cold. Then turn key to on, not the engine, set the TEMP to 91° with fan speed low. remove bleed screw on upper hose and pour coolant in the expansion tank till coolant comes out of the bleeder screw hole. replace the bleed screw and using a turkey baster remove coolant till the red stick is level with the top of the opening, put the cap on the exp tank and start the car and drive around till warm and come back home and check for leaks.

228,515

all those codes, I would look as to what else the broken belt broke. Check all wiring and connections, one or two might be frayed, broken or not connected.

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