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About Johan

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    BMW, Electronics,...etc.
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  • Garage
    e32 750i, e34 525i, e39 525i

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  1. Dirty switch would also be my guess. Have a look here: http://www.nmia.com/~dgnrg/page_13.htm
  2. Where did you check the prices? I found the 61131376191 for 1.10 euro a piece at dutch dealership. The other number wasn't found in the system.
  3. Johan

    Electric seats conversion

    Take off the back of the seat. Using the exposed levers at the bottom remove the backside which slides off upwards when the levers are released. Then you're left with the seat in two pieces. Take the trims off the seat bottom and remove the leather from the seat bottom by bending the retaining clips. Do the same with the powered seats and put the bottom back together with the new leather. As to the backrest if the e34/e32 are 100% identical you can transfer just the headrest motor. For this you need to release the leather at the back to get to the fixing of the headrest motor. Its a pain in the backside, but it can be done.
  4. Johan

    BM54 Becker Module

    They're not actually solder joints. The amplifier IC die's are wire bonded to the circuit board and then cast in using some sort of resin. Nothing you can do with those things. Mine started working again when I used "cold spray" direct on the die's. The usual repair is adding an additional circuit board with an set of Amplifier ICs (usually TDA series) and bypassing the original amps. Warranty is warranty. Why should you examine stuff? Or does the extended warranty only cover stupid stuff BMW did? Why not have them contact BMW through the technical support system. They'll tell them to replace the module. They are still available from BMW, but at just under 500 quid a bit dear...Al tough the new one does come with MP3 ID tags when your cd changer supports it :-)Then again that is just firmware which can be updated using a serial interface cable. Only fun for the first 10 minutes when you have a cd changer that supports MP3 discs...
  5. Johan

    Diff upgrade Alpina spec engine

    I remember reading somewhere someone swapped the LSD internals to a different diff. So keeping the ratio, but adding the LSD. Worth investigating if you're wanting to swap. e32 735 and e34 535 would be the ones with a 210 diff. There are more models, but with uninteresting ratio's.
  6. Johan

    What have you done on your E34 Today

    Happy new year! Something I also need to do. Too many small oil leaks.
  7. Johan

    Rear hub puller recommendations?

    I can't recommend a puller. But I had the same issue last year. I broke the arm of a 10 ton Kukko puller. I would up grinding the hub and replacing it. This worked as I was replacing the driveshaft, wheelbearing and in the end hub too. The other side I was able to persuade with a big hammer on the driveshaft.
  8. Was the center bearing removed? How does the cv look at the diff? It has some movent there...
  9. Johan

    No power to fuel pump!?

    Also if the dme gets no power at all there could be a crack in the fusible link inline with smaller red wire at the battery.
  10. Johan

    What have you done on your E34 Today

    Not today..but Wednessday. And I drove the e34....most of the day
  11. Johan

    What have you done on your E34 Today

  12. Johan


    Never mind the previous post. It just shows I know nothing about the touring as there is no lock on the boot. Seems you have to use the drivers door lock.
  13. Johan


    Don't know about the touring but with the sedan you can open the boot using the key in the lock on the boot. If its properly locked the door handles on the inside wont work....theft protection thing from BMW.
  14. Johan

    What did you do to your E39 today ?

    I have the same on my lemforders 1 black 1 chromated.
  15. Johan

    What have you done on your E34 Today

    Good question. According to the reg my e39 525iA is 15kg heavier then my e34 525iA. The f10 being heavier is no surprise. I think its similar in size then an e38.