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Old 10-24-2008, 06:36 PM   #1
labiel
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Smile 95 318ti to 98' 328i single vanos swap

Hello,

I'm doing M42 to M52B28 swap, everything is swaped,
I've switched EWS and engine wiring harness plus DME
together with M52. First there was no sign of life from starter.
Then I've switched chip from donor car key to mine and starter
is working (so I assume EWS - DME - Key is algned?)!
My problem is that there is no spark and no fuel pump reaction.

What I'm still mising?

Also I don't have one round connector close to fuse box.So ths from
the engine wiring harnes is unconeccted.

Any help, plase !
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Old 10-25-2008, 11:44 AM   #2
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No reaction, so I try this:

Could OBD-II engine to OBD-I chasis swap be done?
I've read posts all over, and found that there is only
OBD-I engine to OBD-II chasis instruction. My 318ti is
from 10 october 1995 M42, how could i check which OBD
it is (did OBD I had EWS II like mine has?).

Help please, I cannot sleep
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Old 10-26-2008, 01:14 AM   #3
tiFreak
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I believe the OBDI to OBDII is a lot more difficult than keeping it the same or going back, if it's a 95 model year it's OBDI
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Old 10-26-2008, 01:40 AM   #4
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Take a look at this:
http://homepage.mac.com/aceves/OBDI/OBD_ONE1.htm
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Quote:
Originally Posted by cooljess76 View Post
Turbos are great!...Especially the higher mileage m42's & m44's...A BUDGET setup should be good for atleast 400rwhp...I was running 60psi on stock internals and homemade parts...
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Old 10-26-2008, 11:31 PM   #5
labiel
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Great, thank you !!

Now I need to be sure that my M52B28 is OBD II or maybe I,
since I bought it without papers i don't know from which year it is
seller claims that it's from 1998 but I doubt it. on wiring there is
"lieferdatum 06.09.95 20:35". I spoke with friend, and he told me
that easiest way to recognize OBD is connector - round one in engine
bay for OBD I and similar to rectangle for OBD II located in cabine - is
that true? If it's OBD I to OBD I then i don't have to do extra work with wires?

Regards !
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Old 10-27-2008, 03:11 PM   #6
Bluebimma
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Most people convert OBDII engines into OBDI rather than converting the chassis into OBDII.
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1995 Hellrot Clubsport 318ti -Gone
1996 Schwartz II Sport 357ti - 5.7L V8 LS1/6
1997 Moregrun Metallic 318ti - Gone

1998 Schwartz II sport 318ti - M50TUB25/5
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Old 11-04-2008, 11:50 PM   #7
labiel
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Default 328i to 318ti OBD I swap

Still fighting with wiring.
I found out that I have OBD I engine.
Is there anyone who made M52B28 OBD I ('95 or '96)
to OBD I 318ti '95 ?
Engine cranks but no spark and no fuel, and I'm running out
of options.
I've made horrible mistake connectingo G117 ground to battery
positive. I've reversed it but could I fried my ECU or some fuse?

maybe there're some differences in x20, or I need to add UNL (I cannot
find one in my car or the engine harness) ? ECM an Fuel pumo relays are not
kicking in, there is only low voltage on them (2 or 6V).
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Old 11-05-2008, 11:03 PM   #8
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Smile

Engine spoke to me !!!
Problem was simple, no positive for ECU.

If someone needs x20 pinout for 328i 96' to 98' and 318ti 95'
(i couldn't find it on internet and it took me 4 hours to make them from ETM)then I'll post it later.

Thanks for all replies !
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Old 11-15-2008, 09:39 PM   #9
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Please post it!
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Old 11-18-2008, 01:25 PM   #10
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Default 1995 318Ti x20 pin layout

Here it is:
318Ti '95
x20 connector pin layout:
1.EMPTY
2.EMPTY
3.A/C
5.A/C PRESSURE [to DME 86 (A/C Switch)]
6.A/C On signal
7.EWS II [EWS pin4 to DME pin81(Drv. away signal)]
8.EMPTY
9.EMPTY
10.REVERSE LIGHT
11.To instrument cluster 17 (eng. temperature)
12.To instrument cluster 18 (eng. temperature)
13.FUEL PUMP (to fuse F18)
14.SPEED GAUGE?
15.STARTER [to Wiper Washer Module pin10 and body electronic module pin12]
16.DATA LINK RxD
17.DATA LINK TxD
18.STARTER [to EWS II pin1]
19.Diagnostic pin7?
20.SPEED INPUT [DME pin74 (Crank RPM)
21.POWER for DME pin56 [Run/Start]
22.+ From ignition to reverse light,lambda
23.OIL PRESSURE
24.FUEL COMSUMPTION [DME pin17]
25.BATTERY CHARGING

All pins in connector have numbers, so I'm not posting picture of it, since it's simple to figure it out. It's from ETM so if you find a mistake please correct me.
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Old 11-18-2008, 01:41 PM   #11
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Default 1995 328i coupe x20 pin layout

Here is x20 for 1996 328i :

1.EMPTY
2.EMPTY
3.A/C [dual temp switch/IHKA36 to DME pin62(activate valve)]
4.A/C on [DME pin74(activ a/c compressor to compressor relay pin5)] [diag pin9]
5.A/C PRESSURE [DME pin16 to pressure switch]
6.A/C ON SIGNAL [DME pin19]
7.EWS II [DME pin18 (drv. away signal) to EWS pin4
8.EXHAUST FLOP [DME pin84]
9.ABS/ASC [DME pin15 to ABS/ASC]
10. REVERSE LIGHT
11.To instrument cluster pin 17 (eng. temperature)
12.To instrument cluster pin 18 (eng. temperature)
13.FUEL PUMP to fuse F18
14.EMPTY
15.STARTER
16.DIAGNOSTIC RxD
17.DIAGNOSTIC TxD
18.EWS II [from EWS pin1 to starter]
19.DIAGNOSTC pin7?
20.From DME pin36(crank rpm) to EWS/ABS/Instrument cluster pin20
21.DME pin40?
22.IGNITION F26 to oil level/oxygen sensor/rev light+
23.OIL PRESSURE
24.FUEL COMSUMPTION
25.BATTERY CHARGING
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Old 11-29-2008, 02:00 AM   #12
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Question Working MPG on OBC [318 to 328i]

I've serched forum but I cannot find a clear answer, is it possible to make OBC MPG working correct? I have still 4cyl instr. cluster (new 6cyl. is on it's way) and my OBC is showing 3,8L/100km (around 60 MPG ). Anyone have accurate readings with M52B28 on board?
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Old 11-29-2008, 02:10 AM   #13
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M52B28 is obd I
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Old 11-29-2008, 11:39 AM   #14
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So? If it's question, I don't know, after long reserch I assume my '96 M52B28 is OBD I and '95 318Ti also (or both are OBD II). 318Ti had very accurate MPG readings, after swap it's much to low. Is there any way to correct it?
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Old 11-29-2008, 11:53 PM   #15
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a 96 is OBDII and a 95 is OBDI, just noticed you're from Poland though, so I might be wrong
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