(returned of Holgi S. with comments of Micha )
Small preface: As I received meanwhile by frequent inquiries, the Motronic looks with the different E30 models (316i, 318i, 320i, 32, 32, 32, M3, M3 EVO I - III) at least from the inside differently than of me described or differently than in the photos of Micha. This is to disconcert also the amateur handicraftsman at the beginner stage among us not further. "" the chip on it arrives is always directly easily by the other chips on the Motronic to be differentiated. The controller of the 32 BJ 87/88 for example accommodates equal a whole quantity of chips and ICs in the Motronic, against what the Motronic of the 86'er M3 looks beautifully clean and cleared up and there by far not as many construction units as in the 32 to be found is. I times still give two tips on the way: With the most models the chip sits below a small plastic housing to recognize therefore super+easy and to 99% gesockelt (exception: 12# M3 EVO III with modified controller of the m-technology department, should concern however the few... *g *). The two plates in the Motronic are fastened with white Platiknuten or plastic bolts with one another, depending upon model can these very easily be bent or only very heavily, many even break off. The Dinger should break is completely no matter that off, the plates holds on also without the Dinger and the function of the Motronic makes garnix.
So, now however to the change.....
Since the Motronic controllers are with the e30 over the glove subject, we screw first the glove subject a little apart. Releases your glove subject first once from its contents. As the first must only the two small plastic bolts, which give the attachment volumes are from the inside outward rausgedrueckt. Now can you the glove subject into the floor space discharge.
Next should you in the case of open glove subject the plastic cover of the controller unscrew now. At the top margin of the glove subject you screw simply the two more Indian center
12# raus, the cover a small piece folds and seizes lying screws downward thereby downward right, there indeed still hangs the cover on a tie-clip, which you likewise rauszieht.
Before you now see to her the controller with a powerful interface. Removed first the four large screws, with which the controller upward fasten is. The controller moves now carefully to you and solves the metal hook on the left side of the large plug. Now can you also little energy expenditure the plug first on the left side out-fold, then it slips on the right side
of alone raus. Now have you thus the controller in your hands. May do you now simply those
Screws on the lower surface rausdrehen, but compares it as the first again, whether the controller carries also the number, for which the chip is. The number stands giant-largely on the top side of the controller, whereby with Tuningchips normally only the last three places count (071, 091, etc.). Used now a measurer or a sharp screwdriver and folds the small sheet metal flanges on the lower surface of the Motronic upward. Now can open the Motronic for it carefully with the cover upward. _ which it see must be two plate, which together put be and with a wire connect be.
Now it becomes minimum more with difficulty, because we the plate which the original expensive chip holds solve must. In addition we must press the small plastic notches from the plate with a screwdriver,
12# Micha: One should take two screwdrivers, clean-put over the highest pin border.
The picture shows one on the right side. In addition is added on the left of still one.
whereby we then to try can push the plate with the thumbs from their plastic anchorage. If it goes too heavily, can be levered naturally also with a larger screwdriver, in addition specially two smaller recesses are in the anchorage, into which a screwdriver clean-fits perfectly.
12# Micha: Perhaps Holgi another control section than I (of the 32Kat 11/87) had, but for me results in the last sentence no so right sense. If one is enough with the two screwdrivers the two, the upper plate depresses, should narrow latches easily with the thumbs to the rear from the plug unit to be pushed be able. If it goes heavily, then the latches are not deeply enough depressed.
As soon as you rausgezogen the plate somewhat have, can you her carefully a piece upward away-fold, now the chip must have good to be seen. You lever the chip carefully with a screwdriver from its mounting plate and press for it simply your Tuningchip into the version. Thereby in any case, which inserts it correctly the chip around, respects thus with the notch on the chip in the same direction, as the original chip also in it-put.
The chip is below the small plastic cover (see photo)
Now you press the chip beautifully firmly purely, still watch out, it no Beinchen break off or bend and assemble everything again beautifully. With the clean-put large control cable must you first the right side contrive, which plugs press in slightly and engage then the small metal hook. If the controller screws on again upward, the cover installs again, does not forget the small tie-clip down on the right of not and fastens the glove subject again with the plastic bolts to the volumes, pushes the pins however from the outside (more with difficulty, but importantly, because otherwise the development goes with the next time condemned heavily...) inward clean and closes the glove subject again.
That was everything! Expenditure of time with beginner about 45 minutes. Risk of a tinkering accident is also very small.
Much fun!
12# Holgi S.
12# hsteffen@tds.de
12# Micha
12# micha32@gmx.de
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