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Dave Dennis

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  1. Dave Dennis

    DENSION 500S BT installation for BMW E60

    Posting this for future reference only. The Dension unit is in and everything is working, except it seems at some point I'm going to have to code out BMW Assist / SOS in the VO to stop the SOS call system failure warning. Which is starting to get quite irritating. At first I shoved all the gubbins in the hole vacated by the CDC, this was OK as a short term location to check everything was working but I've now turned my attention to doing something more permanent. I want the connector port thing (the user-end of the USB interface, selector switch for CDC/USB and Gateway aux-in) accessible from the driver's seat, so keeping it in the glove box doesn't really work. I also want it stealthy so a surface mount position is a no go. Today I pulled apart the back of the centre console and took the OE phone cradle (from the useless 'phone preparation business' option) partially out. I undid the 4 T10 screws under the intermediate cover, this allowed the actual cradle part to come free from the plastic fittings. Then working in the back of the centre console under the vents I released the cables, and with only removing the back trim section of the armrest and undoing the single T20 bolt under the sliding handbrake cover section, I was able to wiggle the cables through from the cubby hole side and pull the electronics out completely. I fed the connector port through, and ran the cables down the passenger side of the console just tucking them under the edge and poking home with a trim lever. No need to completely remove the centre console. This has got me here: I need to get hold of some ABS or CF sheet and make a section to tidy up the cubby hole, but I should end up with a useful if shallow storage space for a pen, notepad, parking card etc, and all the Dension controls are at my finger tips. Unfortunately the Dension cables are not quite long enough to make it all the way back to the glove box area - thet finish up level with the back of the DVD drive area, so about half a meter short. I also dropped the trim section below the glove box to find there's quite a lot of space between the box itself and the trim, so with the MOST hardness dropped through there that's where Mr Dension will end up. I'll need to buy the Dension extension cable accessory to complete it, after which I'll edit this and add extra pictures.
  2. Dave Dennis

    DENSION 500S BT installation for BMW E60

    I've a new question. I've looped out the MULF as directed by the Dension install guide and this has allowed full bluetooth connection with my phone. I can call, stream data/music, etc. However I still have the SOS call system malfunction error. I am aware that bluetooth issues can affect this but none of the pages I've read talk about the Dension issue, it's all to do with failing TCU/MULF or MOST problems. I did find a thread over on E90post that advised the Dension was connected wrong essentially looping out everything downstream of the former CDC position, but that can't be the case here because i) Shining white light from a torch back from the boot modules (S601 TV to be precise) emerges at the CDC harness in the glovebox, so the Dension is sending the light signal on to the MULF ii) TV still works What is it about the Dension BT (or any other troublesome 3rd party BT device for that matter) that causes this issue with the SOS function? How to fix it? I'm prepared to have SOS coded out if need be. I will never use it.
  3. Dave Dennis

    Can I replace MULF with MULF2?

    It's an E60. I've just got the Dension running for USB music playback which is 90% what I bought it for. So, happy days. In the boot, left side, there is the S601 TV receiver below the light cluster with the storage tray in the trim above it; then just inside the next panel around the wheel arch there's another module - that's the MULF? According to the installation guide to get the Dension bluetooth phone functions working I need to loop out the phone module, presumably they mean the MULF. Hopefully this will also fix the SOS call system malfunction error I have now. I know this is something to do with the Dension cutting the MOST loop and having 2 CDCs in the loop but have run out of daylight to fiddlw with it any further.
  4. Dave Dennis

    DENSION 500S BT installation for BMW E60

    Fuse 38 had blown. Got it installed now and USB audio is working fine. The brown cable is ground and red/violet is 12V. I'd like to get the bluetooth for phone working too but not sure how. I need to loop out the phone unit in the boot, can anyone confirm if this is the MULF unit or something else? With the unit in 'Active' mode (i.e. using the Dension not the original CDC), I get an error for SOS malfunction on start up. Would looping out the MULF (or whatever it is) sort this? For now I can avoid this by switching off the Dension BT by setting Dip switch 6 to OFF but I'll need that ON ultimately. The car has S612 BMW Assist and S633 (preparation, mobile phone, business) but no bluetooth which seems to be a common if bizarre state of affairs from a specifying options point of view.
  5. Dave Dennis

    Can I replace MULF with MULF2?

    Reading with interest. I'd like to get USB function into my 530i for music playback, and if I had Bluetooth I'd use it. I've bought a Dension and if I can get that working then happy days. However while the physical install is a piece of cake it would appear a degree of coding is needed. If the costs start mounting up I'd be tempted to try the OEM retrofit. Where exactly is the mulf unit located? For the USB function, I'd need the mulf-2 high basis and there would be some wiring changes to get it in, is this correct?
  6. Dave Dennis

    DENSION 500S BT installation for BMW E60

    Right, same here. Dension Gateway 500S BT into a 2008 E60 with CDC in the glove box, CCC iDrive and ProNav. I have: - Removed the CDC - Connected the Dension to the CDC MOST terminals - Looped out the CDC from the Dension (dual FOT version), instead of reconnecting the CDC - Used the power pins from the CDC harness to supply Dension with 12V (I presumed the brown wire was ground based on a US wiring diagram but it makes no difference either way). When I get it working properly I'll heat shrink these in, for now I've just pushed the female terminals out of the plastic shell and inserted bare wires into them - Set the dip switches as instructed There doesn't appear to be any lamp on the Dension to indicate whether it has power or not, so I can only presume it does. The supplier says no coding needed, but I'm taking that with a pinch of salt. With the key in and the car in radio readiness mode, there's no new menu in iDrive and CD brings up a message ''no supported and readable medium found in either internal drive' Am I in need of some coding?!
  7. Dave Dennis

    Rough Idle when Cold 525i N53

    1000 miles on and I can now add 29E0 to the list. Looks like it's new NOx sensor time. Carly appears to be useless for coding components, so it'll be a trip to one of the local specialists from the look of it.
  8. Dave Dennis

    Rough Idle when Cold 525i N53

    All codes disappeared but I have 2AEC Nitrogen Oxide Sensor Self Diagnostics which is recurring. I'm also noticing an exhaust smell in the cabin while crawling in traffic, probably unrelated. So, looks to me like there's something causing a misfire but not yet serious enough to trip a code, and the nox sensor on the way out. I'm not especially impressed with Carly tbh, it's OK for diagnostics but the price is too high for that; especially if it can't code devices to the car, because I'll then have to either get hold of Rheingold which makes Carly redundant, or pay someone to do it for me, in which case I've paid for diagnostics anyway. I've not fiddled with it much but for £60 for the dongle and £60 annual fee it needs to do more than this.
  9. Dave Dennis

    Rough Idle when Cold 525i N53

    I've had a look under the covers. All coils are grey top which is the latest version according to two of the local independents. The injectors are all index 11 apart from cyl1 which is index 9. I haven't got access to a Win7 laptop so bought the Carly adapter for £130. I found 29 codes from everything from the engine to the reversing lamps, so I cleared the lot and I'll see what comes back after a couple hundred miles. The engine codes were 2A2C mixture 2 29E1 mixture 2 29E0 mixture 2AEC NOx sensor Does the '2' mean bank 2? Some reading suggests this is related to pre-cat lambda. No misfire codes yet. Ill post up what comes back in due course.
  10. Dave Dennis

    E60 stereo upgrade (twist)

    I went for the un-amped Gladen set up from TeamSPB. They were very helpful and gave good after sales support too. Just the basic 3way components have transformed the sound, and done what I wanted. Serious car audio fans will probably want more but this is good enough for me. The kit itself is almost plug and play, you'll just need to add some fork connectors to the subwoofer adapter harness supplied with the kit and if you haven't got the Apillar trims with tweeter grilles already you'll need to get a pair of those. Plus trimming back the metal bracket behind the door cards so that the mid bass driver sits properly. USB is the next job, which is looking likely to be a Dension 500SBT dual FOT unit.
  11. Dave Dennis

    Rough Idle when Cold 525i N53

    Thanks for the links. I found a how to from 2012 on a US forum and I think that's the same vid actually. First thing to do as you've said is pull the covers and see what I've actually got in there. I know it's had injectors since the index 11 came out but haven't yet investigated where they went. If I can pinpoint the issue to one injector or one bank that should at least minimse the pain as it looks like the best part of £1k per bank including diagnostics, labour and VAT. It was a cheap enough car for what it is and I went in with my eyes open to the N53 issues but that kind of bill inside 2 months is a bit sore!
  12. Dave Dennis

    Rough Idle when Cold 525i N53

    I might as well jump on this rather than start a new thread, as my fairly new (to me) 530i has developed a rough idle from cold (everything fine when warmed up and on a run, 38-39 mpg indicated on steady motorway driving). Main question is what's the best way to determine which cylinder it is, so I can target work in the right place? I've not got around to sorting out diagnostic software yet, is there a particular version or release (e.g. carly / INPA) that will give me this level of detail? I have an android mobile and Win 10 laptop for the interface. Also any recommendations for reliable independents around SW London and Slough would be good. I know Bird's but they're probably dearer than the dealer.
  13. Dave Dennis

    Check your scuttle drains!

    Checked mine today and they're dry BUT on the drivers side someone has obviously had a go before and partially pushed the rubber grommet seen in this photo (shamelessly stolen from https://www.bimmerfest.com/threads/help-with-understanding-water-flow-into-cabin-air-filter-housings.929764/) So it's no longer sealing against the body shell. Any water in there will bypass the rubber and end up underneath. Presumably this will just enter the scuttle channel anyway if the rubber is just a trim piece, or if not and it is integral to the drain route then that drain will be bypassed and water will just pour out over the body shell and run off the undertrays? Most recent posts ask if the rubber grommet is needed, seems the answer is no from looking back over previous posts. Putting it back in place looks hard, from a little prodding it seems pretty well attached lower down and doesn't want to come back into place.
  14. Dave Dennis

    E60 stereo upgrade (twist)

    OK. But the HiFi amp would need the MOST connection right, so is it feasible to steal the TV connection and switch the coding in the VO?
  15. Dave Dennis

    E60 stereo upgrade (twist)

    Is that £450 for salvage parts presumably or new? That would be the 13 speaker set up with the HiFi amp driving the subs only?
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