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Found 2 results

  1. Hello. I have a E39 540i with an M62TU that will not crank. Bugger. With INPA I can communicate with the k-line and get info on the keys etc, but not the CAN line to talk to the DME / ECU / engine module - whatever it's called. Also, my Foxwell scanner told me I have no CAN communication. INPA tells me my key is ok but ECU is rejected because of the isn number / password (i.e. the rolling codes), but as I can not talk to the engine module I cannot reset this. (Also - the starter motor is blocked due to it not knowing that the trans is in park or neutral - which I am assuming is the sloe cause of it not cranking, because this info is not getting from the trans module through the DME). I have been using the 20 pin connecter under the bonnet - I downloaded switching software to put my lead into CAN mode - have tried both Mike's and Bimmergeeks INPA download on a windows 10 and 7 machine, tried 2 leads - white and green circuit board, yes have bridged pins 7 and 8, replaced the battery and charged it, checked the fuses (pulled the carpet to check the ones under the seat), checked as many earth straps as I could find ... So, help please. Does anyone have a lead they know works with this vehicle that I can either borrow or buy to eliminate this as being the problem, as I've read they can make a difference. It could be my DME is in fact fried - is there anyone who can bench test these? I'm happy to send the EWS and DME to someone for a check or re-sync and pay for time / skills. The vehicle was apparently running fine (elderly couple so I trust them) until they left the lights on a couple of times in a row and had the vehicle jump started. So either the rolling codes or a fried module would both make sense. Also: On the dash, the PRND lights are all lit up, and the temp gauge pegs to max. Could this be caused by the EWS not releasing the DME? Or not? What does / could it indicate? Any advice on what else to check - I used to work as a mechanic so am happy pulling things off / apart, and can figure out which way up a multi-meter goes, but am pretty lost here and also admit to not being particularly computer savvy. Have learnt a lot about BMW's lately but if anything I have said above makes no sense or shows I don't know what I'm on about please tell me. I live close to Kaitaia - is there anyone familiar with INPA, or any other tools I may need I can bribe to visit me. Basically I look at the car and go 'yeah, I know they don't sell for much and I'm probably wasting my money and time, but man that's a nice looking vehicle and gee it must be nice to drive. Be a shame to throw it away'. Ta. Bruce.
  2. So the 850i from 1989-1994 came with the 5L M70 V12 and a 4 speed ZF 4hp24 gearbox apart from a few rare 6 speed manuals. BMW produced only a very few 850ci's (in fact there were less of these than the coveted 850CSi) from 1994-1997 with the 5.4L M73 engine and a 5 speed tiptronic ZF 5hp30 (and even rarer six speed manual). While a manual conversion is very appealing it's also bloody expensive and I think a GT car really should be an auto. My 4 speed with 3.64 LSD and Wokke chips is great but I can't help thinking how much better (and faster) it would be with the 5 speed tiptronic box which are far easier and cheaper to find than a manual six speed for a V12. Fitment would be no problem but the issue - I anticipate - is going to be communication with the rest of the car since the M70 DMEs and 4hp24 EGS are non-CANBUS but the 5hp30 EGS is CANBUS. Can't find any examples of this being done online so I'm guessing it's not that easy. So my questions are: Any ideas how you could translate DME data to the EGS from an analogue signal (or whatever it is) to CANBUS, and vice versa? Could you run a parallel but independent controller for the transmission? (or would that mean you lose things like cruise control, etc) Would it ultimately be easier (albeit time consuming and expensive) to swap a complete M73 and gearbox?
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