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12
Help with 2014 X3 RDC and TPMS
Morning JC Bit of a history lesson coming up 😅 A generic scanner won't help much as it will only read Key components DME maybe Transmission etc, most of the high end manufacturers use a dedicated Bus system to allow communication between control units. Due competition laws in the US Manufacturers had to allow some access hence the Generic scanners can see the key components indicate a fault not necessarily the cause. Early systems often ended up with people changing parts until the issue was fixed or they got rid of the car. As an example a Misfire could be a sensor issue, an Air/Vacuum leak or a fuel pressure issue. I have always enjoyed maintaining my own cars so have gathered a comprehensive tool kit since the late 80's diagnostics became more and more important so In my home garage I have an old Windows 7 laptop that now runs diagnostic programs for cars I have owned Mercedes Star, Volvo, Range Rover, Toyota, Subaru, and of course BMW. Early BMW's used I-bus communication so I brought a copy of BMW 1.4.0 (£20) which was a revelation, it showed my 2001 4.4 X5 had 70+ control units several with attendant sensors it also allowed me to alter or set Comfort functions that normally were Dealer only and charged appropriately £££ 🤣. When BMW moved to K-bus and MOST (2006>) it required an upgrade in Diagnostics to INPA (nothing to do with restoring Dealer exclusivity of course) Happily the hackers soon had copies available and the same is true of the latest iteration ISTA which lives on my laptop in the garage 😁 My current E70 X5 has 97 control units plus sensors (I believe your X3 is similar) with my TPMS on the cars screen it will warn if a tyre looses pressure but with INPA/ISTA I can see and set pressure differentials by % INPA/ISTA will tell me if it is a sensor problem or control module problem. I can interrogate individual sensors and get Part numbers etc. The program also has WIS (workshop information system) TIS (technical information system) and Wiring diagrams. New or exchange control units can be Programmed to the car so all Dealer functions are covered. My copy of INPA/ISTA cost £100 if I recall and over the last 10 years has saved me and friends and family many times that. My last issue was a rear suspension problem ISTA told me Rear Left ride height sensor continuity on inspection the plug had started to disintegrate so replacement plug and re-pinned total cost £11 and a couple of hours of my time There are many systems available now Autel, i-Carsoft, Foxwell and several others all are around the £100 mark though as always if you have deep pockets you can pay more 😁 Good Luck hope the above is helpful Dave -
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Help with 2014 X3 RDC and TPMS
Thanks for the reply, Greydog. I also have a generic ODBC scanner. I am going to give it a try to see if I could find more details of the error code. Since I have already replaced all 4 new tire sensors and a used RDC, I am not sure if the issue is the RDC. I am also interested to learn more about the BMW INPA/ISTA. Do you have a link by any chance? Many thanks! -
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4x4 abs ebv dsc failure
Hi guys back again i posted about 10 weeks ago with error on the dash 4x4 dsc ebv abs failure had loads of faults come up alot where kcan line communication took it to the garage and it's been there for the last 9 weeks they changed the transfer case module and the dsc module and it cleared the faults but when they started the car 1 air bag wouldn't inflate so they decided to change the airbag and the compressor once they've done this they start it up again and both airbags won't In flate they said they plugged it back in and it yet again has kcan line faults so they've decided to change the bcm module but that has done nothink im lost with this car and it seems the garage are just chucking any random module at it they have said there is 7 more modules on the kcan line they can try but my bill.is racking up any help I would appreciate -
2
X3 2.0D 2012 F25 - tailgate struts on the way out?
Afternoon Dave, Thanks indeed fort the great forum and the quick very informative reply. If you add a "0" to the price of the motors you arrive at the quote we had from BMW - so that is going in the bin. I'd seen a couple of videos a while back and thought it might be more than I'm happy to bite off and chew, but I will get some tools as you suggest and see how painful the trim removal is for my rather Clarksonesque skill set.. For my info, is the spindle drive the entire ram and I will be simply switching those over/is there anything more complex on the electricals/does anything need to be re-programmed when the new spindles are plugged in? Thanks again for the reply - much appreciated. All best GAH -
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X3 2.0D 2012 F25 - tailgate struts on the way out?
Hi Gary I did the exact job for a friend of my wife, I did a search of www.realoem.com for the correct part numbers left/right then she searched Google and brought both spindle drives for £110 delivered with 2 year warranty. Changing them requires trim removal so a decent set of trim removal tools and a Torx set will be needed. I did use a garden rake with a towel wrapped around it to support the tail gate as neither of the girls could reach 😅. The rest is straight forward, though getting all the trim out of the way is fiddly the job is plug and play. Couple of good Videos on line About 21/2 hrs work with Tea and biscuits 🤣 Dave
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