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Marv17 · 09-23-2014, 09:25 AM

(I decided to add to this existing thread.)

So I did my obc retrofit today in my s52 318ti. Took me about 1 hour or so to take it out of the donor car in the junkyard. $11 bucks versus $100 bucks online or dealer. It took me 4 hours to complete; had to prepare the wiring I took out. Fixed the plugs to make it an easier task once I started. I taped it all up nicely as well so wires wouldn't be all over the place. I read up on the pdf file of the instructions and also followed the color coded wires to know where they were supposed to go. Taking it out of the donor car also helped me out as well.
Well I went thru the functions of the obc and 1 option has me puzzled what it is. Option 4. It just has an "M" and a number. Don't know what it means though. My mpg is almost on point. I went for a drive and it was about the same read out as my mpg gauge on my cluster (mind you I have a swap and swapped in the cluster as well).
Can anyone enlighten me what option 4 is please?

Option 1: clock

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Option 2: temperature

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Option 3: MPG

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Option 4: unsure what this is??

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Option 5: MPH

09-23-2014, 09:25 AM	#78
Marv17 Senior Member Join Date: May 2007 Location: LA, Bellflower, CA Posts: 3,613 iTrader: (4) Photo Gallery	(I decided to add to this existing thread.) So I did my obc retrofit today in my s52 318ti. Took me about 1 hour or so to take it out of the donor car in the junkyard. $11 bucks versus $100 bucks online or dealer. It took me 4 hours to complete; had to prepare the wiring I took out. Fixed the plugs to make it an easier task once I started. I taped it all up nicely as well so wires wouldn't be all over the place. I read up on the pdf file of the instructions and also followed the color coded wires to know where they were supposed to go. Taking it out of the donor car also helped me out as well. Well I went thru the functions of the obc and 1 option has me puzzled what it is. Option 4. It just has an "M" and a number. Don't know what it means though. My mpg is almost on point. I went for a drive and it was about the same read out as my mpg gauge on my cluster (mind you I have a swap and swapped in the cluster as well). Can anyone enlighten me what option 4 is please? Option 1: clock Option 2: temperature Option 3: MPG Option 4: unsure what this is?? Option 5: MPH __________________ -Theta Chi- Float like a cadilac, sting like a BIMMER .... my socket is just too thick and won't fit in the hole! damnit! Marv's 332ti is in the werks. Stay tuned ya'll ... Check list: S52 swap, manual transmission swap, 3.25 LSD with M Coupe diff cover, SuperSprint muffler, M3 style mirrors, AFE intake, ASC delete, M50 Manifold swap, UUC strut bar, ZHP lighted knob, Vaders, M-tech interior, OEM armrest, AC Schintzer front lip, AC Schnitzer rear spoiler, Roof spoiler, 18'' rims, M3 front drilled brakes, LED interior lights, 3 spoke Euro style steering wheel, OEM roof spoiler and bike holder, Thule fairing, Euro tail lights, oil pressure guage, carbon fiber hood painted to original paint (still showing CF weaving), what's next to do...?