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  1. Battery light, some dodgy electrics, no power steering

    First Generation Faults & Fixes
    Put a multimeter across the battery terminals and record the voltage:- 1) before you start it (should be around 12.5v) 2) at idle (should be around 14.4v) 3) at 3000(ish) rpm (should be around 14.4v) This will tell you whether your battery and alternator are working reasonably.
  2. 12v socket fuse/front cigarette lighter problem

    Second Generation Faults & Fixes
    Mike's quite right above, the fuse does change depending on year, model, spec etc. I should have explained that I was using a database that gives different wiring diagrams/info to account for that. BMWs and MINIs are excellent for having all this information available online.
  3. MINI R57 Cooling Fan

    Second Generation Faults & Fixes
    Possible sticky relay. If you remove the relay and probe the control side with a multimeter (whilst turning the AC on and off) it will give you a definitive answer.
  4. 2011 Cigarette Lighter Fuse

    General Discussion
    https://www.newtis.info/tisv2/a/en/r55-cooper-s-clu/wiring-functional-info/body/general-vehicle-electrical-system/cigarette-lighter-12-v-power-socket/EDQQVTyA Just too slow. 20A in position F44 on yours, but you've already found that.
  5. 12v socket fuse/front cigarette lighter problem

    Second Generation Faults & Fixes
    Edit: wrong thread
  6. 2003 COOPER S failing to turn over when turning key

    First Generation MINI Cooper S
    The battery in the key has nothing to do with starting the car, don't worry about that. If the problem began after opening the key it's possible you've lost the transponder out of the case. The transponder is a small piece of plastic measuring about 8mm x 4mm and should be slotted into a small...
  7. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    My method would be:- 1) short the control side of the relay to ground (with the engine running) and confirm that the compressor clutch engages. 2) Test at the relay to see if the ECU is grounding the relay when you push the a/c button. 3) if (2) isn't working, test the wire at pin 13 of the...
  8. 12v socket fuse/front cigarette lighter problem

    Second Generation Faults & Fixes
    According to the wiring diagram it should be fuse F42 in the footwell fuse box (20A). I'd also suggest probing for power at the centre of the socket to ensure it's not just a mismatch between plug and car.
  9. OBD scanner that works on R50

    First Generation Faults & Fixes
    I use a couple of tools on the mini. The Autocom similar to that posted by Mike above (very good functionality and has active tests on the mini) and a Launch CRP123. This is a self contained tool (not laptop based) with the ability to read fault codes/live data from all the ECUs. It doesn't...
  10. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    No problem, just as an additional the wiring colour abbreviations for BMWs are a bit odd. BR/SW/GE means you're looking for a brown, black and yellow wire (bit odd to have three colours) and as you've probably already figured out it's on pin 13 of the ECU. The ECU controls it by switching the...
  11. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    Ha, funny how someone else struggling prompts you to getting round to something earlier... Wiring diagram:- https://www.newtis.info/tisv2/a/en/r50-cooper-hat/wiring-functional-info/body/heating-air-conditioning-functions/evaporator-control/compressor-control/s6wLmMB Required conditions:-...
  12. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    That's exactly right. Hang on a bit and I should be able to find the right wiring diagram for your car. I would very much appreciate the screenshot if you could manage that. I also have a mini sat on the drive with a flashing air con light. It's some way down the priority list at the mo as I...
  13. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    Makes sense entirely. I'd love to know the operating sequence of what happened when the button is pressed. With that information it'd be easy to diagnose. My suggestion was to 'back probe' the pin at the ECU to see if it was sending the signal to the relay. That way you would know if your...
  14. Fibres coming out of exhaust R50 Cooper

    First Generation Faults & Fixes
    A 'non-chain' exhaust centre may well be a lot cheaper. Certainly worth a couple of phone calls.
  15. Air Conditioning - 2004 Mini Cooper R50

    First Generation Faults & Fixes
    Probe the connector at the ECU. Do you have a sequence for what the ECU is looking at/sequence of what is supposed to happen when you press the a/c button?
  16. Fibres coming out of exhaust R50 Cooper

    First Generation Faults & Fixes
    In true 'internet style' my experience is the exact opposite :D. I've used exhaust centres on the rare occasions that I've needed to replace them. No matter though, it's free to get a quote so would suggest you try both and I'd be interested to hear how you got on. Systems of the size you get...
  17. Fibres coming out of exhaust R50 Cooper

    First Generation Faults & Fixes
    There are two mufflers in your exhaust, the back box and one behind the cat. I believe the wadding could be from either of them. The back box will definitely have it in but i'm not sure about the forward one. Some cars only have baffles (no wadding) in exhaust boxes so close to the cat'...
  18. My 06 MINI Cooper is making a grinding / scrapping noise after 30mps

    Welcome New Members
    Apologies, missed your response before. When you say the brakes are being impacted, is that because the car decelerates or because you feel it through the brake pedal? I'd be removing the front calipers and checking all the sliding surfaces and the brake pads.
  19. Brake lights are in reverse

    Wheels, Tyres & Brakes
    Ok, first time I've ever known someone get offended about a fault code reader. LOL.
  20. Piston fittment

    MINI Engine & Drivetrain Tuning
    Be very careful fitting the large casting attached to the back of the oil pump. There are threaded spacers between it and the block. If these moved (and they tend to) when you removed the pump there's a good chance you'll crack the large casting when you refit it.
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