Were you having SMG issues, or was this preventative maintenance?

 

thanks for writeup. Added to DIY master.

Any chance you can upload the pics directly to this site (rather than linking from postimage), so they are not lost if that site goes down.

 

Preventative maintenance. I did have the red cog randomly flash a couple of times but from pulling codes its because os 5101 "SMG too sensitive" according to a bulletin.

Yes, I can post them on this server, but how do you want that done? Just upload via attachments? or do you guys have a uploader specific to this?

 

Upload via attachments.

 

When should one replace these? My '07 has about 38k mi. on it.

 

my car has almost 80k and 2 of my friends have over 120k, never replaced these, i don't see why you should

 

I would do it now. They're cheap and get a lot of hard use. Every 20-30K maybe. Buy 2 and have a spare.

 

For 10.00 why not? There have been many posts where the relay burned up and car had to be flatbedded. I just replaced the glow plug relay on my diesel because it starts to drop voltage across the relay (2V) contacts over time. The contacts get burned with use. Whats that doing to the harder to replace smg motor? You might get 100k out of it. To me, cheap PM insurance.

Found a pic:

 

This is way to cheap and easy to ignore.....it's a simple step that may save you a headache.

 

great write-up. especially for us new guys.

 

What exactly does this solve and what codes?

 

I replied on your other thread, I completely forgot to mention the relay there yesterday.

But, if the relay is failing, it can happen several ways:
- Poor coil strength: not pulling contact tightly together, high resistance
- oxidization on contacts: high resistance
- arc-pitting on contacts: high resistance

Any of the above causes for high resistance over the contacts will cause more voltage to be dropped across them and less voltage available to the SMG pump motor. This can cause less motor torque and lower pressure output causing the pump to take too long to pressurize the accumulator or not even fully reaching the pressure setpoint to turn it off.

 

Do you think these could casue an overpressure situation on SMG during adaptations?

 

I am replacing mine today just for fun. I have 87000 miles and I figure for as cheap as the relay is I would just replace it as preventative maintenance.

 

Which Color relay is for the SMG and for the tranny oil pump?

 

SMG relay is the black one closest to the firewall. When you pull it out note the orientation of the relay tabs so you can align the new one the same way. It's hard to see down there. The green colored one is the transmission oil cooler pump relay.

 

SMG relay is the black one closest to the firewall. When you pull it out note the orientation of the relay tabs so you can align the new one the same way. It's hard to see down there. The salmon colored one is the transmission oil cooler pump relay.

Thanks for the advice.

Also, why change the tranny oil relay? Is that known to go bad aswell?

Or just changing it for the heck of it since your in there?

 

Just changed both of mine. Took a whole 10 minutes, but I sure feel better.

 

I guess im gonna order both just to be safe, but does the oil pump relay need to be changed? Does it fail?

Ordering from ECS tuning as shipping is cheaper. They even give nice pics of the relays.

 

This is next on my to do list! Thanks for the write-up.

Sent from AutoGuide.com Free App

 

Also my next to do list. thanks for the write-up!

 

Can I get a relay for the smg at a local parts store? I wanna change mine out. Been getting the red cog now and then at 30 sec clips.

 

Thanks so much for this DIY. I ordered my parts from ECS and got this done in about an hour. I really took my time. I was too forceful on the 3 13mm plastic nuts and I ended up destroying one of them. I'd recommend using a socket driver and not wrench. But most importantly is to only turn 90 degrees. My car has about 50k now and no issues, but just did this simple thing as preventive maintenance. I went ahead and changed out the cabin filters too while I was under the hood.
-michael

 

I have the problem with my m6' I was stucked n machenical came now the car dnt want to start cos of pump dnt want to give petrol or yellow relay the cable is damage is possible that it won't start

 

Hi guys is it possible that the car won't start bcos of this relay mine the is damage wire n it dnt want to start m6 it's like the petrol dnt go to engine, is this relay for SMG or petrol pump? It was stucked now they diagnosed it it fyn on the gear but won't start pls help

 

Nice DIY!

Just an FYI, The BMW store in Ohio beats Tischer's prices most of the time. Not affiliated....just a happy customer.

http://thebmwminipartstore.com/

 

M6 ews

Ey guys stil stuck my m6 dnt wnt to start it say ews pls help

 

Ey guys stil stuck my m6 dnt wnt to start it say ews pls help

I'd suggest you start a new thread with an appropriate name so it gets read rather than it being buried in a DIY thread. And you'll need to post codes otherwise we can only start tossing guesses out.

 

So if I unlock the car and don't hear the SMG pump primed then the relay is not working?

 

So I just installed both. The numbers on the relays themselves were different, so now I am panic mode. I believe I only had 1 salmon relay and replaced it, googling I am seeing pics of 2 salmon relays...

I ordered through bmwmini store and the part number they list for the relay is 12631742690. On realoem it shows the salmon colored one with part number as "secondary air pump" relay. It also shows a another salmon one with part number 61368366646 and lists that one as the SMG relay. ?

My relay had 0705 12A printed on it, the new one had 1621 12A printed on it.

Scared to turn on my car to hear a pop and the smell of a fried relay.

(The salmon one that I replaced looks to be in the same location as the OPs in this thread)

(2008 M5)

 

Be careful my bmw dealer sold me 2 relays and they were the wrong ones
I swapped one and a puff of smoke came out! It was secondary air pump relay
Even the stupid manual shows pics for usa and not australia, the box is totally different in australia

 

I did order the part number listed in the beginning of the thread....but am little worried to start the car.

Probably end up opening everything back up and double checking that there isn't another salmon colored relay.

I should have taken a wider photo, but I was just looking to capture the numbers on the relay.

Here is the one that I removed: