Question about 1996 BMW 3 Series
It is an M3 2 door coupe. it has an L-6 cylinder engine. the horn as a fuse for it under the hood in the fuse box. a brand new one has not helped this time although it has in the past. i even tried a higher amperage. i really need to find these wires under the hood that go to the horn. it's been suggested that i maybe loosen them during rough driving/going over potholes etc. maybe if i can see them, i can locate the problem???
Relace the horn as the inside workings are rusted out. A higher fuse will only burn the wiring harness
Posted on Nov 25, 2013
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Posted on Jan 02, 2017
your mirror control switch has 9 wires.,your drivers door mirror has 5 wires color coded .from your mirror control switch to your drivers siide mirror / 0.5 black .0.5 brown. 0.5 brown. 0.5 black. 0.5 black.
your passenger mirror wires are 0.5 blue/black .0.5 blue/grey. 0.5 blue/white. the passenger mirror has a ground cable 0.5 brown.
the passenger mirror wire 0.5 green/white connects to a 5amp fuse/F25 onto F31 5amp to a wire 0.75 green/yellow.back to the mirror control switch.
Posted on Jan 27, 2009
I would first check for a vacuum leak. Common areas of intake leaks are: 1. The crankcase vent valve located under the intake. 2.Check the intake boot at the throttle housing. You will find that there is an elbow where a small hose goes to your idle valve. Using your hand feel in the elbow area for a hole in the rubber. Your tech can use brake cleaner and spray the intake to check for leaks or use a smoke tester. 3.Possible failing Mass Air Meter.At idle, in park, and a/c not on the meter reading should be appr. 18-22 hz
Posted on Mar 11, 2009
The purge valve is right underneath the intake manifold, it the valve that has a hard plastic hose attached to it that runs back towards the fuel tank. But I don't think that is it. I had the same problem and I changed the MAP thermostat, and the leak detection pump. Here are the codes from the OBD27cc DMTL leakage279b Thermostat map cooling
You need part number 03 Leak diagnostic pump 1 16137193479
04 Thermostat housing with thermostat 1 11537509227 $66.96
i bought from http://www.bimmerspecialist.com/canada/parts/index/bmw?gclid=CIL44sSCnZoCFRYiagodLwLJ-Ahttp://www.unofficialbmw.com/images/04b%20MS45%20DME%20Part%203.pdf
Posted on May 02, 2009
most new BMW's the fuse block is located behind the glove box. There should be a pair of twist plastic fastners at the back of the glove box, twist and remove the plate and you should find the fuse box and fuse locater list.
Posted on May 12, 2009
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