Heater fan issue - 2002 325i

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I'm reading this with great interest - my 2001 325 has the same fluctuating fan issue - now I know what it is!!!
So where exactly is this resistor pack and is it diy-able? If the BMW part
is so faulty (as I found out about their camshaft position sensors too...), does anyone have a replacement recommendation?
Thanks!!

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battery had it been healthy, but it was nearly toast anyhow. I found a Motorcraft 665 CCA replacement battery for $125 installed. That beats the $300 the dealer wanted. As for the blower, I'm bringing it in Thursday along with the repair order, where they looked at it before, and see what they say.
On the flip side, I managed to save a work mate $150 tonight by helping him install a turn signal bulb on his X5. That's right, the dealer quoted him an hour and a half for changing the front left turn bulb. Five bucks and a half hour later, he was on his way, with a spare bulb to boot.
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I think it's a special part and I've not seen it on sale outside a BMW dealer.
It's definitely DIYable on my E39 - it's situated on the bulkhead behind the heater (it's in the cool air intake to help its cooling) accessible via the (UK) driver's foot well. You have to remove the carpet strip on the transmission tunnel and the 'roof' of the foot well. And it's a bit of a fiddle. A LHD car is probably easier with more room due to no steering column in the way. But your 3 Series will likely differ in detail.
--
*Bigamy is having one wife too many - monogamy is the same

Dave Plowman snipped-for-privacy@davenoise.co.uk London SW
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gratis. A pleasant surprise. I guess the mothership was amenable to comping me since this is a relatively common defect.
As to the oil fill light, I'm gonna live with it. I guess the pressure sender is on a separate circuit, so if I keep my eye on the level, I'll be OK. They also told me that the newer models don't have a dipstick, so when the light comes on errantly, some owners are overfilling their crankcases. Ouch!
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