Cabin filter / Micro filter

[samirdelahoz]

How is the parts situation in Columbia? Are there many E34?
Here are some links which you need
wiring diagrams, (note: that is US version, some items are different from EURO spec) http://shark.armchair.mb.ca/~dave/BMW/e34/
nominal values, tightening specs, workshop manual https://www.bmwtechinfo.com/repair/main/
spare parts catalog , language you can change http://es.bmwfans.info/parts-catalog
Technical service info, unfortunately does not include E34, but might be of help https://www.newtis.info/tisv2/a/en/

Maybe you inform us the model and engine type and month/year your E34 was built, that is then easier for us to help you.
Here you can find out with your VON when the car was built and what options were ordered https://decoder.bvzine.com/

Hi my friend, thanks for your help
I live in Barranquilla - Colombia, there’s few e34 or e39 (I’m not sure) in my country and parts are very difficult to get.
I just bought the car a week ago, a sudden rise razed in a strong rain with 50 cars more and I’m repairing and trying to get parts


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[genphreak]

Bear in mind that the Microfilter was not designed in the E34 IHKR system, so when they added it they shoe-horned it in and re-designed the fan resistor (from an expensive transistorised unit to a more efficient/reliable logic module and wire-wound side-mounted resistor block)

Always vacuum out the leaves and debris during the change and make sure no leaves are lodged on the fan resistor block that inserts into the side of the fan box. it can take <5s to get hot, and they can burn and catch fire.

If you get frustrated, take heart: On RHD it's far worse. I just replaced the AC expansion valve, AC system o-rings, cabin filter and coolant o-rings into the heat exchanger matrix on one. It took me over a day under the dash and now I feel more broken than a snake trying to cross a busy road.

On a RHD car, things are so obstructed by an immovable steering column that they split the filter in half (special part number too) so you can wrangle it in/out in 2 separate pieces. It's still a nightmare to do whether going in or out and that's with a lot more components removed than the official procedure calls for.

You will no doubt also have to do the auxiliary radiator fan resistor, (unless it measures 0.5 ohms)- you get to it by removing the front bumper. They are all toasted after 10 years of use and the AC does not work properly without them. I can post you one or you can buy from amazon/ebay easily enough (100W, 0.5 ohms wire-wound resistor).

Also if flooded, make sure you drain water from the transmission, diff and even the engine. The breathers will draw water into these parts if the car was warm when the water rose.

In the cabin, under the floor, e34 will engorge 20L of water in each foot-well, unless you let it drain out and dry out. There are rubber bungs in the floor pan to do this. The foam under the carpet is very thick in many places, esp the front foot-wells) but it will drain, it just needs a few days and some heat.