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DMint

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Everything posted by DMint

  1. DMint

    DIY F11 air spring replacement

    If you can change an airbag then the pump is do able. Easily accessed under the boot. Take the covers off and it’s there. Bought mine on eBay. https://www.ebay.co.uk/itm/Air-Suspension-Compressor-Pump-fits-BMW-5-Series-GT-Estate-F07-F11-LCI-10-17-/265037144788?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=710-127635-2958-0
  2. DMint

    DIY F11 air spring replacement

    Bought mine on eBay. https://www.ebay.co.uk/itm/Air-Suspension-Compressor-Pump-fits-BMW-5-Series-GT-Estate-F07-F11-LCI-10-17-/265037144788?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=710-127635-2958-0
  3. DMint

    DIY F11 air spring replacement

    Sounds very similar to mine. I didn’t fancy spending out £400+ on a bmw pump to find it wasn’t the pump. I bought a cheaper £130 pump on eBay and though it’s a bit noisier than the original it pumps up well, tops up when needed/increased load and seems to be working as meant to. I would definitely check for leaks with watery fairy liquid spray first. The other option is to get the pressure outputs checked with an air suspension specialist. Good luck
  4. DMint

    Suspension woes

    Hi all Never ending attempts to try to get to the bottom of suspension fail. 50,000 2014 plate f11 rear suspension continuing to baffle me. iv had the car now for nearly 2 years and for the last six months iv had dropping suspension issues, first on one side then the other so both airbags replaced with Arnotts and both seemed fine until last week. I travelled fully ladened 50 miles then empty car on return before parking on driveway. The following day car was noticeably low and wallowy, hitting bump stops. Checked it all out at my friends garage. The compressor is coming on when you lower the vehicle and triggers off if you jack the car up to normal ride height, but it won’t maintain or get to that height without the jack. This has led my mechanic and myself to think the only solution is to change the compressor. (Opinions welcome) are the OE compressors on eBay (£160 ish) etc any good as the bmw ones are £500 ish which seems like a massive difference to me. The car is unusable at present so any ideas/opinions would be much appreciated.  thanks in advance Richard
  5. Hi all Never ending attempts to try to get to the bottom of suspension fail. 50,000 2014 plate f11 rear suspension continuing to baffle me. iv had the car now for nearly 2 years and for the last six months iv had dropping suspension issues, first on one side then the other so both airbags replaced with Arnotts and both seemed fine until last week. I travelled fully ladened 50 miles then empty car on return before parking on driveway. The following day car was noticeably low and wallowy, hitting bump stops. Checked it all out at my friends garage. The compressor is coming on when you lower the vehicle and triggers off if you jack the car up to normal ride height, but it won’t maintain or get to that height without the jack. This has led my mechanic and myself to think the only solution is to change the compressor. (Opinions welcome) are the OE compressors on eBay (£160 ish) etc any good as the bmw ones are £500 ish which seems like a massive difference to me. The car is unusable at present so any ideas/opinions would be much appreciated. thanks in advance Richard
  6. DMint

    F11 air suspension warning message

    Hi all Iv had the dreaded rear suspension issues over the last 6 months with my 2014 518 f11. (50,000 miles) Initially sagging on one side, then the other so ended up changing both airbags with Arnotts, which both seem fine. Last weekend I took 4 adults and a load of luggage 80 miles with no ride height issues in the fully loaded state. empty car on return, parked on drive over night. The following day ride height right down and driving on the stops as described by others. The chassis warning also coming on. Iv checked it all today over a pit, all cables and tubes are correct,. Iv taken the compressor off and it all seems fine, it triggers when the car is jacked down and triggers off when the car is jacked up so to me this would suggest that the ride height sensors are working correctly. One of my concerns is that the compressor isn't producing enough pressure which is why the car sits back down when jacks are lowered. Iv had a very frustrating day trying to work this one out with my mechanic and my conclusion is that the compressor needs replacing. Can anyone suggest a way of pressure testing the compressor? It seems capable of inflating the bags but hey are nt rock hard like I remember them being when first replaced.I did take the compressor off and examine the cylinder and seal which all seem in tact. I cleared all the fault codes and am still at a loss. Any suggestions gratefully received.
  7. DMint

    DIY F11 air spring replacement

    Oh great thanks for that. I’m using arnott as well. I’ll get rid of the spacer then if that’s what it says.
  8. DMint

    DIY F11 air spring replacement

    Great description of airbag replacement, thanks. I have changed the near side airbag on my f11 2014 myself (I am not a mechanic but I would call myself a good with the right guidance DIYer ) I took guidance from a very close friend and mechanic. Instead of using the computer to deflate the suspension I simply jacked the rear of the car , removed the plastic covers for the compressor and slowly released the air from the system by undoing the compression 10mm nut. The air slowly escapes and you can physically feel the airbag going soft at which point it can be removed. I did notice that once changed and fully inflated the opposite side started sagging over the next couple of days so will be replacing the other side soon. On removal I noticed that the off side airbag has a hard plastic ring on the top ? A spacer but not sure. Any ideas welcome. I will replace the airbag with the spacer.
  9. DMint

    Heavy rain, Water leak

    Hi All New to this and BMW but have recently bought a F11 from a local dealer (not BMW). Noticed damp carpet in the rear nearside footwell and returned it to the dealer twice for investigation. Mentioned the forums quoting door skin issues but this was dismissed. Was referred to a "specialist" who spent a few hours looking for the leak and thought he found something and sealed around the gromet on the door pillar as a slight leak had been noticed. It didnt solve the issue so I decided to do my own investigation. On removing the panel below the glovebox ( 2 screws) I was able to pull the carpet back to expose the inside of the yellow grommet. I tested the area by spraying the windscreen and there it was - water pouring in at the bottom of the seal and going under the carpet. I then took advice from my local mechanic/friend who advised that a better repair would be to get a new seal (£26 from BMW) and replace with good quality sealer from the engine bay. After reading all the threads on here I borrowed my friends pit, took the under covers off and found the dreaded Yellow gromet under the cover mentioned previously behind the 4 torx screw cover. Replaced the gromet with sealer and on testing no more water was coming in. Hurray. Thanks to all the contributors on here for all the help in solving this one. Its hard to believe that BMW dont recognise that this is a problem, I think it should be one of their recalls as the floors will be falling out of 5 series beemers in years to come if this is not rectified early. Thanks all.
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