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General E46 Forum
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Old 05-16-2012, 01:52 AM   #21
Vigilante
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Quote:
Originally Posted by jaymemaurice View Post
Is this process made easier by first carefully destroying the relays so you can pull each pin individually?!
Yes, I read a thread on the Dutch E46 forum who does exactly that, first he cuts the transistors of the board and then he carefully removes the pin with his solder iron. You do need some solder skills, if you never soldered a circuit board i wouldn't advise to DiY it.
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Old 05-16-2012, 02:01 AM   #22
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Okay, but this is still trivial soldering, not like removing a BGA microprocessor or even an IC you need to put back after...

the thing is not spring loaded with a self destruct mechanism or anything right?? Sounds like the guy thinks he can solder on a PCB.
Like if he can change a bunch of faulty capacitors on a motherboard, he should be able to do this too, right??

Say he can, what are the things that actually go bad? only the relay?! do we have capacitors that fail or cold solder joints?

As for parts, where do we get these relays? Digikey? Ebay?

Lets help this guys out and create a useful thread today for the people who can use the information.
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Old 05-16-2012, 02:16 AM   #23
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Quote:
Originally Posted by jaymemaurice View Post
Like if he can change a bunch of faulty capacitors on a motherboard, he should be able to do this too, right??
If so, it should be a walk in the park for him! However, this is where my knowledge ends on this subject, my apologies....
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Old 05-16-2012, 04:25 AM   #24
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I would say the relay replacement is probably a 9-10 on the level of difficultly.

The problem is this:

1. The circuit board is covered in a thin, clear silicon to protect the board from moisture.

2. The solder is a higher temp solder that may be leadless, therefore the melting point is much higher.

3. The circuit board is a dual sided board with plated through holes.

4. The tolerance between the relay and the through hole is very close.

5. Cannot recall for sure, but as I recall the relays are very close to each other, so there is very little room to work?

6. If you get the relays out without ruining the solder pads, the pads will most likely not be clean enough to reinstall the new relay. You will need miniature drill bits and a pin vise/hand drill to clean out the though holes properly.

Scott will sell you the relays, but I do understand how he feels, if you do not have good equipment and exceptional soldering/electronic component replacement skills, you may be up against a big challenge. I have no fewer than probably 7 different soldering irons/stations and YEARS of component level assembly, both through hole and surface mount, and this was probably one of the most difficult component replacements I have run into.
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Old 05-16-2012, 05:04 AM   #25
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Quote:
Originally Posted by jfoj View Post
I would say the relay replacement is probably a 9-10 on the level of difficultly.

The problem is this:...
Awesome answer. Thanks.
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Old 05-16-2012, 05:30 AM   #26
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..... When I asked why the dude replied: "cause you didn't asked"........
Vigilante, LOL this is SO DUTCH!!!!

I lived in Holland for a few years and I have plenty of " cause you didn't ask" stories!!

Also I forgot to answer the other question, the problem is with the relays, they are not something that you can easily pick up on ebay, Digikey, Mouser or the typical electronics houses. I believe Scott make a significant bulk purchase of the proper Tyco?? relays that are direct fit. Assume you could cobble something up, but not likely it would be a good idea.
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Old 07-16-2012, 02:31 PM   #27
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I just used Scott's BMWGM5.com repair service; very happy with the results.

Last edited by bbowens; 07-16-2012 at 02:33 PM.
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Old 07-16-2012, 03:55 PM   #28
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Quote:
Originally Posted by jfoj View Post
Vigilante, LOL this is SO DUTCH!!!!

I lived in Holland for a few years and I have plenty of " cause you didn't ask" stories!!
Cool, I just saw your quote, at least it learn's you to be specific but I love stories though
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Old 07-16-2012, 06:34 PM   #29
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It not a piece of cake to get relays out. It takes the right tools and a decent amount of skill. I've seen some really aweful attempts at getting the relays out and some that look ok, but, still didn't work. Here are some pictures bmwgm5.com/CommonProblems.htm

Quote:
Originally Posted by jaymemaurice View Post
Say he can, what are the things that actually go bad? only the relay?! do we have capacitors that fail or cold solder joints?
For door lock problems I've only found the relays, TVS's and the relay driver chip to go bad. I have not seen caps or cold solder joints be the cause of door lock problems.

Quote:
Originally Posted by jaymemaurice View Post
As for parts, where do we get these relays? Digikey? Ebay?
TVS's and relay drivers are available from Digikey, relays are not. Relays are available from bmwgm5.com or eBay.

Last edited by scottjoh; 07-16-2012 at 10:16 PM.
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Old 07-16-2012, 08:03 PM   #30
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Quote:
Originally Posted by scottjoh View Post
It not a piece of cake to get relays out. It takes the right tools and a decent amount of skill. I've seen some really aweful attempts at getting the relays out and some that look ok, but, still didn't work. Here are some pictures bmwgm5.com/CommonProblems.htm
Its not easy, but also not THAT hard, just takes a lot of patience. Keep extracting the old solder bit by bit until the relays loosen up. If you have no idea what you're doing, send it in.
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Old 07-17-2012, 06:24 AM   #31
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Also, I've heard of few guys that just cleaned contacts inside relays and module works as it should. Maybe this idea is worth of trying before changing relays.
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Old 07-17-2012, 09:34 AM   #32
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Originally Posted by zYx View Post
Also, I've heard of few guys that just cleaned contacts inside relays and module works as it should. Maybe this idea is worth of trying before changing relays.
If you go through all the trouble to get the module out, why wouldn't you just replace the relays? They're not expensive. Cleaning the contacts only works for a short time, they'll oxidize even faster now that the relay is cut open.
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Old 09-30-2012, 08:14 AM   #33
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Related question here. If I lived in the US still I'd send mine off to Scott right away, but I'm in Germany and daily drive my car so waiting for the delivery times on both ends would probably not be good. I have a line on a GM5 with refurbished relays for a good price. Since this was already in a car, would I still have to have it programed at the dealer??
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Old 09-30-2012, 09:48 AM   #34
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Related question here. If I lived in the US still I'd send mine off to Scott right away, but I'm in Germany and daily drive my car so waiting for the delivery times on both ends would probably not be good. I have a line on a GM5 with refurbished relays for a good price. Since this was already in a car, would I still have to have it programed at the dealer??
Most likely yes, it will need to be reprogrammed. Some things will work properly (like door locks, interior lights) and some thing won't (wipers, window, side rear view mirrors) There are hardware capability differences between modules. Not all modules are even capable of operating the side view mirrors for example due to a hardware addition made to the design of the module made during the production run of the E46.
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Old 09-30-2012, 10:14 AM   #35
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If you have not soldered before it is not easy , this fine pitch soldering you can damage the circuit board and components
This what i do every day , speaking from experience.
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Old 09-30-2012, 10:42 AM   #36
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Originally Posted by M Pete View Post
Related question here. If I lived in the US still I'd send mine off to Scott right away, but I'm in Germany and daily drive my car so waiting for the delivery times on both ends would probably not be good. I have a line on a GM5 with refurbished relays for a good price. Since this was already in a car, would I still have to have it programed at the dealer??
Reprogram it yourself with NCS expert. As long as the module is from the same build date or newer, it'll be reprogrammable to work with your car
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Old 09-30-2012, 10:57 AM   #37
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Do if I have a base 323 what years can I get the GM5 from? Just that year?2000?

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Old 04-03-2014, 11:49 PM   #38
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Anyone know wherebouts scotts hideout is? Im near 190th and van ness.. I need my unit fixed.
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Old 04-04-2014, 12:00 AM   #39
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Anyone know wherebouts scotts hideout is? Im near 190th and van ness.. I need my unit fixed.
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Old 04-04-2014, 12:08 AM   #40
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Torrance
Right.. torrance is one of the biggest cities in socal, im in torrance . Id rather skip the emails, phone calls and just come get it repared. Or buy one already repaired.. but I dont know if you can just pop a different one in.
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