Rather than start a new topic I thought I'd dig up an old one in case anyone is searching in future for AirCon/heater related problems.
As an update to the above, I thought I'd treat the car a bit and buy a brand new heater/water valve and although it cost a small fortune for what it is, it's made a hell of a difference!! Nice fresh, cool air :) And the the climate control system seems to be working which is good! All I need now is to get the AirCon up and running and it'll be perfect!!
As far as the AirCon goes, it'll want a recharge/service and once that's done I can try it and see if it works. I managed to pick up a brand new genuine BMW (Denso) magnetic clutch for the compressor off ebay last week - they are ~£240 from BMW and I got it for £10.76 delivered ;) If it turns out that mine works and I don't need , but one of you does then PM me and I'll happily pass on my savings to you.
During my busy week of pampering my car and running in and out of BMW every couple of hours (think they know me by name now...) I also replaced the Microfilter which really isn't as big a deal as I have seen it described! Yes, it's a little fiddly but very doable. Not only do the temperature controls work now, but it doesn't smell like the air's coming through a decomposed rat fur mesh and it's actually quite pleasant to run it with the recirculation thing on!
Amongst other little things I also replaced the petrol flap hinge so that it actually stays open now and I can rest the cap in the bracket ;) I also replaced the driver's door brake (check strap) as that had broken inside the door and was making an awful noise. That was a fiddly job and £22 just for the part but was still worth it. Then there was lower oil sump/pan. I thought I'd actually go ahead and take it off, having bought a gasket for it in anticipation. Well, here's what I found (surprise, surprise):
So the effort of undoing and then retightening the 5000 bolts that hold the oil pan on was worth it! From what I've read, 'only' three bolts isn't too bad. So I now have a retightened oil pump, nice new gasket and clean oil pan - but to be fair there was no sludge at all in the bottom, which was nice to see.
I even bought shiny new number plates ;) and have also removed the purple film since the photo!
So all in all, apart from the need to recharge the AirCon I reckon everything's tip top in (and on) my car now so I'm pretty pleased :)
ONE last point though, which is actually a question to anyone out there with dual zone climate control - when you change the temperature or the air flow, does your car emit funny squelching/buzzing noises from the glove box area on the passenger side? Mine does and I'm worried that maybe it is a stepper motor, of which there are supposed to be 10 all over the place. So why is the noise only coming from the passenger side?? Hopefully it's normal - it seems to be working so I have high hopes but I thought I'd ask just in case!
It's been a while since I've been on here because there's been nothing wrong with the car since the auxiliary water pump, so I thought I'd concentrate on work! But I popped back in to check up on the forum and to give an update. And now with Mike's car being poorly I'll likely be sticking around and checking up more often!
All the best and hope you're all well,
Crispin
------------- BMW E39 M5 - 2002 Land Rover 110 4.0 V8 - 1986 BMW E39 530d Manual SE - 2001 BMW E34 540i 6 Speed Manual - 1995 Volvo S90 3.0 CD - 1997 Volvo 460 Si Turbo - 1995 Volvo 340 GL - 1989
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