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thorburn

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Posts posted by thorburn


  1. On 5/8/2021 at 5:56 AM, Bandit said:

    And as previously mentioned prior the fuel company we worked with analyzed samples of the NPD 100 octane, the results from the labs showed ethanol contents varying from 8.2 to in excess of 10% by volume.

    😣

    I've started using npd's 100+. From the terapa outlet there definitely isn't 8.2-10+% ethanol. 

    My means of testing is the car cruising in steady state with no ethanol petrol gives me 15.4 afr. With gull 98 (e10?) I see 16.0+ afr (gauge only reads to 16.0). With npd I've been seeing 15.4.

    This is an open loop system. The ecu doesn't see any feedback from O2 sensor or knock sensor(doesn't have knock sensors). 

    Don't get me wrong this isn't a lab test. I'm sure other variables come into play. But from my limited knowledge I don't believe there is ethanol in their fuel. 

    Interested to see what deteriorates with the fuel. 

    There are signs up warning about plastic fuel tanks and other stuff. Will pay more attention next time

    • Like 2

  2. 20 hours ago, KwS said:

    Is this of the age where it needs an ADS and GT1 connection like the E36?

    No idea. Is there a way to tell? I've had a guy that mentioned this when he was trying to scan it

     

    12 hours ago, aja540i said:

    I have recently replaced the speedo and rev counter stepper motors in a cluster for my e39 530d and have a spare cluster ( or 2) without those if you want a donor one for parts? It is quite easy to replace the whole stepper with the spring attached.

    Thanks I'd definitely be keen. What's the trick for removing the stepper motors? The prongs going into pcb seem rather stuck. Do they crush the pin and push through?

    Thanks @hqstu


  3. Hopped up on confidence after fixing the LCM. I delved into repairing the dash. 

    I failed miserably. Pixels are now unreadable. Return spring for the fuel level sender gauge is broken. The problems that were there probably still are. Only thing to note is the gauge cluster appears to be from an e38. So possibly could be contributing to why I can't scan it. FISLFU5.jpg

    Moved onto something back in my skill level. Removed the dash bar to check for anymore wiring that's been tampered with or corrosion. Only one bunch of wires that went to the boot and connected to nothing under the dash. They lead to the boot and don't connect to anything. Nothing else seems to have been effected by the rain getting in. BE3abAC.jpg

    While I was there I cleaned up the surface rust on the dash bar. Good for another few years

    lNI1J3V.jpgIaEHrt0.jpg

    Cleaned up the footwell surface rust and started putting it back together gs6WFNO.jpg

    22Osn2D.jpg

     

    Now looking for a new gauge cluster

    Still haven't figured out why I can't scan it. Hoping a new instrument cluster will solve something. Then need to learn how to recode it. 

    • Like 2

  4. Searched up the part number of the 7 legged mosfet(no idea if it's a mosfet but that's what I'm calling it) that I thought could be the problem. Found some possible data sheets and was able to confirm it wasn't functioning properly. 

    Tried to figure out if there were any spares that weren't being used on the board e.g rear fog lights. Turns out there aren't. Managed to get a brief understanding of how the lcm works while reverse engineering it. 

    Picked up another light control module to raid a mosfet from. 

    4vDcbZR.jpg

    Desoldered the failed mosfet

    rkD0ZL3.jpg

    Here it is back together, apart from the clips and lid. 

    MQQEjgT.jpg

    Luckily the smoke stayed in and it all works. So another job off the list. 

    Onto trying to make the obd port work next 

    • Like 2

  5. Managed to complete some other jobs, so started digging into this again. 

    Removed the dash so I could make sure the water hadn't got into anything else. 

    Luckily it isn't bad. A little surface corrosion that I'll clean up next. 

    3xPR8FZ.jpg

    Found the lighting control module while trying to sort the brake light staying on. It has had some water through it. Will swap in one from the X5 to confirm if it's the problem (quick Google says it's the same part, will find out tomorrow). 

    rPdEQ2t.jpg

    Found these previous sins near the throttle pedal and the radio. 

    JdnLLwS.jpgmS0npov.jpg

    The extent of the water damage on the floor-not too bad

    ts7h0Ve.jpg

    The snipped wire on fuse 38. This will be why the airbag light wasn't coming on. 

    rLhcDIj.jpg

    And put in the new windscreen seal. 

    Spent some time checking for continuity between the diagnostic port in the engine bay and where it's supposed to connect. I'm assuming I'm looking for a broken wire. 

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