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using a BMW325is auto. trans in non-computerized car


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darbyogill
Novice

Aug 30, 2020, 2:23 PM

Post #1 of 12 (298 views)
using a BMW325is auto. trans in non-computerized car Sign In

I am building a very different type of hotrod from any built in the past, and I want to use an automatic trans from a 325is (1994-98?) that my Son has available to me for free. I need to know how I can make it operate in my non-computerized chassis. Is there a stand-alone trans control computer available that will work with a points-&-coil old style engine? I know this is not the type of question you usually answer, but I don't know who else to ask a question like this. I very much appreciate any help you can offer.


gsferraro
Enthusiast

Aug 31, 2020, 5:15 PM

Post #2 of 12 (257 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Hello,
I'm not sure if that will work but what type of horse power are you putting in this, trans may not be able to handle it. Gary


darbyogill
Novice

Sep 1, 2020, 10:51 AM

Post #3 of 12 (241 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Hi Gary, I appreciate the response. It will easily handle the 140 or so horsepower I will be putting into it. It won't be a fire-breathing dragster type hotrod, just a very different one. Lots of engineering involved mechanically, which I can handle, but the electronics involved with newer cars is totally a different world for this old fossil ;-) Mike


gsferraro
Enthusiast

Sep 1, 2020, 5:10 PM

Post #4 of 12 (230 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Ok, Trans is probably the GM transmission called 4L30E.


darbyogill
Novice

Sep 1, 2020, 6:47 PM

Post #5 of 12 (220 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

I don't know. The green tag on the side has... GM----SY hydramatic Strasbourg Made in France Model #96018422 ser. #5296233 I can't find anything at all on the web using any of that in any order I try. My Son said it was a GM Getrag, and I looked for that, too, to no avail. I would love to use it in my hotrod, but don't know what electronics I'll need to make it work. Mike


darbyogill
Novice

Sep 1, 2020, 6:51 PM

Post #6 of 12 (218 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Oh, I left out something... it also has F41---before the 5296233


gsferraro
Enthusiast

Sep 2, 2020, 5:43 PM

Post #7 of 12 (190 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Hello,
Does the tramsission have 2 pans? one large and one smaller one? Getrag is a standard shift trans. Gary


darbyogill
Novice

Sep 2, 2020, 5:44 PM

Post #8 of 12 (190 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Hope you'll pardon my ignorance, Gary, but what you told me didn't sink in at first. Yes, it fits the descriptions of the 4L30E, and I found an article telling how to make a manual shifting systems using switches to the proper pins on the trans. plug but the article was for the 4L60E. I'm sure I can find pin schematics for mine somewhere. If you have any more info that might help, I would be interested in it, and if not, thank you very much for what you taught me!


gsferraro
Enthusiast

Sep 4, 2020, 6:19 PM

Post #9 of 12 (162 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Hello,
Hard to find older wiring diagrams, i can look to see if any to try to give you wire colors. The shift solenoids are where the main pan is(larger one) They are together and the other solenoid on that valvebody is the band apply solenoid. The smaller pan is EPC solenoid and TCC solenoid. Gary


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 4, 2020, 6:43 PM

Post #10 of 12 (160 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Here is a 96 325is







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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



darbyogill
Novice

Sep 4, 2020, 7:39 PM

Post #11 of 12 (156 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Thank you so much, Gary. I really appreciate the help! The info may help me make a long term idea come to life. I am building a hotrod that uses a 1918 Dodge bucket body (front half of a 4 door roadster body) with a Subaru 3rd member, beer keg gas tank, air cooled Corvair six cylinder air cooled engine with open cylinders (no shrouds or belt driven fan), and the BMW trans. Mike


darbyogill
Novice

Sep 4, 2020, 7:45 PM

Post #12 of 12 (149 views)
Re: using a BMW325is auto. trans in non-computerized car Sign In

Thank you Hammer Time! That diagram will be a huge help! I will have to do a lot of studying and comparing with the trans itself to see if I can figure it out, but now I'm not working totally in the dark :-)






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