06-03-2019, 02:08 PM | #1 |
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Hello & ACC Retrofit question
Hi Guys,
I'm new around here. Been a while since I've used a car forum so please bear with me. I couldn't find the new members area so thought I'd post here. Hello I'm James and I've recently picked up my 2015 X5 M50d in Silver with Mocha interior: Car has a reasonable spec but is missing a couple of options that I'd really like to retrofit. I found a few threads on here regarding ACC / Stop & Go retrofit From factory I have the Lane change assist so have the rear sensors behind the bumper. I also have the Adaptive LED headlights so have the High beam assist option. So I'm good for the camera in the windscreen / KAFAS2 module. I believe the parts I require for the ACC retrofit are as follows, - Front radar sensor and M bumper bracket - M Lower grill - Wiring harnesses - Steering wheel buttons I get everything would need coding with E-sys etc but I'm unsure if I need a new DSC module or not. My one says DSC Premium on it and I know if i use the normal cruise control say for example I'm going 70 mph and then I set it to 40mph it will apply the brakes and slow the car down. So I'm hoping its compatible with the ACC function since it can apply the brakes? Here is my unit: Also I'm unsure If i need a newer ICM unit with High control. Not sure how I could find this out beforehand either? Thanks in advance James |
06-03-2019, 02:38 PM | #2 | |
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I am very interested in this as well.. if you don't mind, can you list part numbers of all parts that you have listed above needed for the retrofit? I am assuming you have seen this thread: https://f15.bimmerpost.com/forums/sh....php?t=1594378 mfbarnes and gwes appear to have done this retrofit. Hopefully they can chime in. *Still hoping they post DIY including what needs to be coded* |
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06-03-2019, 02:52 PM | #3 |
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Ah yes that's one of the threads I found and lost. Perhaps I should post on there.
Afraid I'm in the same boat as you with parts numbers. I'm getting totally confused. When I type my DSC module in RealOEM it doesn't even show up at all. The parts pic I posted was taken from this Russian site for a 3 series but i guess it would be a fairly similar setup right... https://www.drive2.ru/l/472839479040672259/ I also found this ebay seller in the UK listing the parts for the retrofit.. https://www.ebay.co.uk/itm/BMW-X5-F1...7660%7Ciid%3A1 Even though the DSC module is totally different to mine... |
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06-03-2019, 06:51 PM | #4 | |
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Do you have park assistant? Looks like you have a different version of the DCC unit and if you don't have the park assistant you will also need a new ICM. The DIY is coming along - it takes longer to write a good DIY than it does to do the actual retrofit! gwes |
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06-05-2019, 08:27 AM | #5 | |
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No I do not have park assist unfortunately so will need a new ICM |
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08-02-2019, 10:29 PM | #6 | ||
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08-07-2019, 08:27 PM | #7 | |
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DSC / DXC9 F15 DSC premium 3451 6864781–01 ECU 3452 6864782–01 Does this match what you guys have? Also, is there any way to check the ICM to see if it is the High version? |
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08-07-2019, 08:31 PM | #8 | |
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08-07-2019, 08:43 PM | #9 |
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08-07-2019, 08:57 PM | #10 |
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What s the cost of all of that ?
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08-09-2019, 03:49 AM | #11 |
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I have completed a retrofit of ACC+TJA this week. I have:
1. Replaced DSC pump from Premium to Premium ACC, required sucking out brake fluid, refilling and bleeding 2. Replaced ICM from V4.7 to V5.7, required dismantling a complete central console 3. Replaced front lower grill for the one required by ACC sensor 4. Mounted ACC sensor 5. Replaced steering wheel with one suited for ACC+TJA 6. Add supply (fuse F45) and earth wiring to ACC sensor 7. Add S-CAN wiring from ACC sensor to KAFAS2 module and further to ICM 8. Coded DSC, ICM and ACC to my car 9. Done chassis height calibration for replaced ICM Parts cost was below 900$, but I should still get back some money by selling old parts (M-Power Steering wheel, front lower grill). |
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08-09-2019, 08:30 AM | #12 | |
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08-09-2019, 03:36 PM | #13 |
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Main thing was adding Night Vision. I have just decided to add ACC+TJA as well, as I was dismantling half of the car anyway.
All works well, but to be honest I couldn't find any real usage of TJA for me and ACC is also not exactly my thing. Nevertheless I was installing it to get automated emergency braking in case something unexpectedly shows up in front of the car I hope I will not have to test it, though |
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08-09-2019, 03:38 PM | #14 | |
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08-09-2019, 03:40 PM | #15 |
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And it looks that getting new ICM helped in some unexpected way. Before rear of the car was set a bit higher. After new height adjustment it went 2cm down and feels softer, which I highly appreciate
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08-09-2019, 03:46 PM | #16 |
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Yes. I got a used complete set and I bought NIVI actuator from Adrian from Romania. All weeks well including laser spot lights. But to be honest I was expecting it to be more proactive. It gives warning only when somebody is exactly in straight line in front of the car. I haven't tested it much on animals, so can't say much about it. I would expect to get a warning anytime an animal is detected. No matter if it is in front or on the side of a driveway
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08-09-2019, 04:34 PM | #17 |
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You will get a warning about pedestrians or animals on the sides only if they intend to cross the car's path, and that is a good thing. Otherways it will become annoying with so many warnings.
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08-10-2019, 11:11 AM | #18 | |
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1) How did you code your new ICM to the VIN on your car? 2) How did you know you needed a new DSC? Mine is marked "premium" and will automatically engage the brakes if the KAFAS detects a crash. This is the primary thing I want the ACC radar for. My wife has been in 2 accidents and I'm tired of fixing the car! 3) Is recalibrating the rear air suspension a requirement with the new ICM? For the short time I had the 5.7 in, I didn't notice any issues with the suspension. Plenty of other issues, but the suspension was fine. |
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08-10-2019, 11:52 AM | #19 | ||
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08-10-2019, 12:02 PM | #20 |
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I was comparing hardware numbers from realoem.com and from my knowledge DSC Premium is not enough. You need a one with ACC on the label.
I'm still learning Esys, but as far as I remember it was not that complicated. I have loaded new CAFd file to match my car and than did coding for 5AT and 5AR. For me ICM after replacement was throwing errors and required height readjustment. But to be honest it was very easy. You just need a tape measure and a walk around a car Actually from that I am more than happy as afterwards car went down 2cm and compensates bumps noticably better. |
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08-10-2019, 12:06 PM | #21 |
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Yes, ACC parts costed below 900, including steering wheel (heated , DSC, ICM, ACC sensor and brand new lower grill.
Night Vision hardware was sth around 1500$, but I was quite lucky to get almost complete set from one seller. As far as I recall somebody was writing that DSC ACC has 2 extra sensors inside. No clue for what reason. As far as I recall KAFAS is only preparing brakes, by raiaisng the pressure, so when you press the pedal is brakes sooner. Last edited by volc; 08-10-2019 at 12:14 PM.. |
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08-10-2019, 02:44 PM | #22 | |
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