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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sat, Dec-29-2012, 07:01:57 AM   #131
fiveightandten
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Default Re: ASC Delete options?

Quote:
Originally Posted by hakentt-mss54 View Post
Sorry to bring back the old post but I would like to add how I deleted the ASC+T system from my 1999.

I made a plug and play adaptor for (non ASC) ABS unit from 1996 328i to plug into my late model 1998-1999 E36 ABS/ASC-T 55 pin connector.

ASC-T system will apply rear brakes if the rear wheels are spinning, that is something you don't want if you plan on racing. I am not but I had to do it because I did a S54 swap.

Wiring:

55 pin abs/asc connector 1998-1999 models to 41 pin connector 1996 ABS
-----------------------------
55pin - 41pin

1-17
2-na
3-26
4-9 (I used ign cut off signal green/white wire from DME then wired it to "abs pump on" signal on the ABS relay, so that I don't have to run wire directly)
5-na
6-na
7-28
8-na
9-na
10-14
11-36
12-na
12-1
14-na
15-32
16-na
17-24
18-39
19-41
20-na
21-na
22-22
23 all the way down to 28 will have no connection
29-13
30-16
31-na
32-29
33-na
34-42
35-19 and 8
36-27
37-40
38-na
39-24
40-2
41-na
42 to 44 no connection
45-35
46-34
47-15
48-37
49 to 51 no connection
52-23
53-na
54-25
55-39

thats it, and it works, keep the existing relays. The ASC-T switching valves have two more ports for the rear wheels, I wired them in the series as you can see on the wiring pinout, please use wiring diagrams if you plan on doing this.

No need for apologies. This is fantastic info. Thanks for posting. I don't have the time right now to look through this and soak in the work you did. But this looks to provide a viable option.

Though the obvious question is, what affect does it have on the DME, which i'm assuming is still programmed to accept input from the original ASC module (and is now receiving limited input, or none at all)?

I don't think I posted this document in this thread, as I lost interest in bickering with people complaining about me over-analyzing. But I consider this good info as well (see attached PDF).
Attached Files
File Type: pdf E36_ASC+T.pdf (365.2 KB, 23 views)
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Old Sat, Dec-29-2012, 04:27:02 PM   #132
hencini
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Quote:
Originally Posted by m3edan View Post
Yea some 94-95 have ASC.. I'm not here to argue whether or not my car has asc being a 95 so if you don't know what your talking about don't reply ...

Back to my original question

As read in some previous posts iv'e read that some guys have run into issues at a later date after removing the asc throttle body and i'm wondering which module is causing that issue ??

Easy there, turbo. Just asking. Obviously, if you have to defend its existence so vehemently, it's not an ignorant question.

For what it's worth, the first thing I'd be doing is testing wheel speed sensors if you're getting an intermittent ABS light. Takes maybe an hour with a multimeter.




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Old Sat, Dec-29-2012, 04:47:18 PM   #133
fiveightandten
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Default Re: ASC Delete options?

Quote:
Originally Posted by m3edan View Post
Yea some 94-95 have ASC.. I'm not here to argue whether or not my car has asc being a 95 so if you don't know what your talking about don't reply ...

Back to my original question

As read in some previous posts iv'e read that some guys have run into issues at a later date after removing the asc throttle body and i'm wondering which module is causing that issue ??
I don't want to insult the competence of a certified BMW tech, but have you tried reading the stored fault codes?

There is more info here for further testing if you're not getting any fault codes:
http://www.m3forum.net/m3forum/showthread.php?t=341672
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Old Sat, Dec-29-2012, 08:02:48 PM   #134
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Default Re: ASC Delete options?

Quote:
Originally Posted by fiveightandten View Post
I don't want to insult the competence of a certified BMW tech, but have you tried reading the stored fault codes?

There is more info here for further testing if you're not getting any fault codes:
http://www.m3forum.net/m3forum/showthread.php?t=341672
I'm not getting any fault codes, iv'e tested all wheel speed sensors without issue i have both modules still plugged in the front.. Its weird because the light comes on and will be on for 5 min then go off and stays on sometimes longer... As far as my competence i work on brand new cars all day doing boring warranty work very rarely do i get to play with any of the older cars anymore..Reason i asked is you had mentioned in the beginning people having issues down the line after doing the delete so i wasn't sure if one of you guys knew what causes this common issue off the top of your head which would save me some time.. I guess ill just have to hook the gt1 up to it

pulling the car in now will let you guys know what i find

Quote:
Originally Posted by hencini View Post
Easy there, turbo. Just asking. Obviously, if you have to defend its existence so vehemently, it's not an ignorant question.

Sent from my secret undersea base.
sorry if i seemed jumpy the face you put at the end of your comment made me think you were being a smart ass... my apologies sir

Last edited by m3edan; Sat, Dec-29-2012 at 08:43:36 PM.
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Old Sat, Dec-29-2012, 08:57:38 PM   #135
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Default Re: ASC Delete options?

Brake switch FTL which is strange because its only about 9 months old... Now that i think about it shortly after is when my issue started
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Old Sat, Dec-29-2012, 08:57:40 PM   #136
hencini
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Originally Posted by m3edan View Post
sorry if i seemed jumpy the face you put at the end of your comment made me think you were being a smart ass... my apologies sir

Nbd. I'd just never heard of a 95 with ASC, hence the shifty. Nick's pdf seems to indicate it was around pre-96, but not specifically on M3s.


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Old Sat, Dec-29-2012, 09:02:35 PM   #137
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Default Re: ASC Delete options?

Quote:
Originally Posted by hencini View Post
Nbd. I'd just never heard of a 95 with ASC, hence the shifty. Nick's pdf seems to indicate it was around pre-96, but not specifically on M3s.


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It was an option on early ones especially in the non-m cars
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Old Sun, Sep-16-2018, 11:25:30 PM   #138
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Default Re: ASC Delete options?

Sorry to bring back such an old thread, but I'm curious what ultimately you determined was the best option for fully deleting ASC? I've been researching options and thus far the only option I've seen that seems most complete is to delete ASC via normal options, but then drop in a stand-alone ABS system using the MK60 setup. Not sure it eliminates potential ECU issues, but it would ultimately eliminate any impacts to ABS.
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Discussing ASC Delete options? in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)