Hopefully it's a known fault and they'll rectify the issue without it costing me £1400. I'm glad someone else has had this exact issue so it's not just one case at least. Completely contrary to what my regular mechanic said. I'm yet to find out what Mini say, but i'm betting my mortgage on the fact they'll say it's a new problem and it's my fault. The car is 4 years old, I've owned it since brand new and it's always been serviced by Mini. Took it to Mini, they've told me they need to confirm the problem (£110 an hour for diagnosis might I add), then 'apply' for a good will gesture from Mini head office because it's not within warranty. When he cut them, the smell of washer fluid was overpowering so he knew immediately what it was. All the wires inside that area are black, and 3x the size they should be. Vertical headlight aim failure, took it to my normal garage, thinking it would be a simple fix, turns out the washer fluid pipe has been leaking on the wiring loom for years (he thinks it must've been like that since new, it's definitely not a new thing). Like I said, there are a bunch of these on will let you know if replacing it works.Hi, I've had the EXACT same issue with my 2016 Mini Cooper. HW 1.4 SW 1.4 510400 ->Probably hardware and software version numbers MINI 6 961 363 AI01 ->I think this is the number of the unit made, maybe a date codeĥ77 621 10 DELPHI DE ->I believe this is the key number to match because I've come across multiple BC1 modules with this same number BC1 has a white tag on the front, the lines look like thisīC1RD R50/53 12V ->body control 1, R50/53 chassis, 12V power Need to match Year, Chassis type (yours is R53 which is '02 Mini Cooper S), and part number of BC1. So to sum up, here's what I've learned so far from the dealer parts guy, a company that does reprogramming, and random research that may or may not be accurate. Either that or $460 unit from the Mini dealership. I don't know if I'll get away with spending $115 and fixing my problem with a used BC1, but I'll definitely let you know if it works. As far as where the water's coming from, the sunroof is what the dealer told me, but I trust them just about as far as I can throw them. I've read some accounts where people have had luck pulling these out and taking the cover apart (6 snaps you can undo by hand) and then gently blowdrying it. There's 4 connectors on it, a white, black, blue and green. Mini spares have a wide range of classic Mini electrics, looms available in stock to order online. The BC1 is located behind the passenger side kick panel, underneath the hood release. WIRING LOOM MK1 MINI & COOPER ALT BRAIDED. Specifically the warning lights flashing on and off at random, gauges not working, and headlights flashing on and off erratically. So when it would dip down below 9 or 10V everything would start acting funny.Īnyway, the problems you're describing sound VERY similar to mine before my car took the big ****. I don't think the charging system was working 100% because it's controlled by the BC1 module. I think that was part of the problem on my car. I've got some experience working with automotive / mobile equipment ECUs (electrical engineering) and I know a lot of them will start acting funny when their power supplies drop below a certain voltage (usually around 9 or 10V on a 12V system). Vette, when your car starts acting funny, measure the voltage across the battery terminals with a multimeter. So my question is, anyone else experience this? Is the BC1 compatible between vehicles? Can I grab one out of a junkyark '03, have the dealer program it, and stick it in my '02? Do I need to spend $460 and get one from the dealer? Your thoughts and experiences are much appreciated - thanks!! It seems that Minis from that era have problems with the connectors leaking and shorting the board. However, all these faults seem to have a common link to the body control module BC1. I haven't been able to find any really obvious flaws in the harness, yeah it's wet, but the insulation integrity seems to be there. the dealer told me that water had gotten in through a bum seal on the sunroof and soaked the floor which shorted the wiring harness and to fix it would be about $4000 worth of labor - ouch! So I had it towed home and have been crawling through the labrynthine wiring harnesss with my trusty Fluke 87. So anyway, about february, my car died at work and after attempting to jump and trickle charge the battery, I had it towed to a Mini dealer and went ahead and bought a Cherokee which turned out to be extremely reliable and trouble free ('nother story). As you can imagine, it's been a frustrating experience. Preceeding this, I had all kinds of electrical trouble, everything from the alternator / battery not working properly through power windows, heater, headlights, interior lights, guages, temp sensor, and power steering pump behaving very erratically. I have an '02 Cooper S that died on me last winter.
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