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 ! |
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 ;) |
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 |
Take a look at this: http://homepage.mac.com/aceves/OBDI/OBD_ONE1.htm |
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 ! |
Most people convert OBDII engines into OBDI rather than converting the chassis into OBDII. |
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). |
Engine spoke to me !!! Problem was simple, no positive for ECU:eek:. 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 ! |
Please post it! |
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. |
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 |
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 :D). Anyone have accurate readings with M52B28 on board? |
M52B28 is obd I |
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? |
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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