DSC Sensor Interchangeability face-lift/preface-lift 3452 6769174

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Chrisd928

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Ashby de la zouch
Edit Solved:
The prefacelift dsc sensor part no 34526764018 does work on a facelift E86. Way cheaper than the facelift part number 3452 6769174. This sensor throws error code 5E38. hope this helps someone with the dreaded 'trifecta' of tcs, tyre warning and handrake lit in yellow.



Hi guys,

I Had the trifecta of lights on the dash (dsc, handbrake and pad warning) all in orange.
I read the codes (dis V57) and got 5E38 which is the dsc sensor located under the drivers seat, as well as others for wheel speed sensor etc which are now all sorted, (full new knuckle, hub and sensor etc) . I have removed the unit and the part number is 3452 6769174-03, these seem rare as only fitted to face lift E85/E86.
The earlier pre face-lift unit is part no 34526764018 which real oem seems to say is exchangeable retrospectively, but it doesn't seem to be the same in reverse, or am I reading it wrong?

https://www.realoem.com/bmw/enUS/part?id=DU52-EUR-09-2006-E86-BMW-Z4_30si&mg=34&sg=20&diagId=34_1550&q=34526769174

https://www.realoem.com/bmw/enUS/part?id=DU52-EUR-09-2006-E86-BMW-Z4_30si&mg=34&sg=20&diagId=34_1550&q=34526764018

Can anyone tell me if the pre Face-lift version will work on a face-lift E86? plenty of the earlier part around but later one seems rare and expensive (£230 to send away for repair, £550 ish new).

Alternatively if anyone has one going for a fair price then that would be great!

Thanks in Advance for any input
 
I have a facelift version that I could be willing to let go for the right price.

You can’t fit a pre facelift one I wouldn’t think.

I’ll send you a pm.
 
Fantastic, thank you! I did order a pre face-lift one a few days back on the off-chance it would work. If it doesn't then I'll post it up on here for free collection/postage cost
 
but either way I'm definitely interested in the correct part, please do drop me a message to discuss price and postage etc.
Thanks Srhutch!
 
I’ll pm you but you’d probably be better off getting yours repaired as it’s the usual issue you have.
 
thanks srhutch, appreciate the advice, its only reading code 5e38 (sensor issue) and i have cycled the pump with Inpa, but i agree they do seem a common failure. i'm not to far from the place in Heanor that does it so guess its worth taking off and dropping into them for test/repair. Need to get the ccv and valve seals done as well, currently have soot on the tail pipes, black spark plugs (1yr and 3k miles old Bosch oem) and white smoke from exhaust. Just to top it off the fans sounding like its about to self destruct so need to grab a new one of those as well (£400 cheapest so far!)
 
srhutch said:
I’ll pm you but you’d probably be better off getting yours repaired as it’s the usual issue you have.
Click to expand...

....sounds like you have some knowledge on this. Please share.
 
have you not tried fitting the pre-factlift version and using SSS v32 to code the new module, it will ask you for the part numbers of both the old unit and the new one. Can't see why it wouldn't work
 
Hi Neil, i've just done exactly that, prefacelift sensor arrived this morning, but didn't need to code it. cheapest i could get old sensor rebuilt was £230, one from prefacelift off ebay cost £25! Pump wasnt throwing any codes (most common failiure) so was fairly certain it was the sensor. I did calibrate the old one using dis v57, but the lights stayed on and code was constant.
Just need a radiator fan now, like rocking horse poo to find! Got the ccv and alternator belts and pulleys to do and then its back on the road!
 
Chrisd928 said:
Hi Neil, i've just done exactly that, prefacelift sensor arrived this morning, but didn't need to code it. cheapest i could get old sensor rebuilt was £230, one from prefacelift off ebay cost £25! Pump wasnt throwing any codes (most common failiure) so was fairly certain it was the sensor. I did calibrate the old one using dis v57, but the lights stayed on and code was constant.
Just need a radiator fan now, like rocking horse poo to find! Got the ccv and alternator belts and pulleys to do and then its back on the road!
Click to expand...

Little confused now, what was the sensor at £25?
 
The sensor for £25 was the prefaclift dsc sensor mate, plug and play compatible with a face-lift car. It's the other way by the looks of it they aren't compatible (post face-lift sensor in a prefacelift car).
Can finally get it through an mot now all lights are off :D
 
Chrisd928 said:
The sensor for £25 was the prefaclift dsc sensor mate, plug and play compatible with a face-lift car. It's the other way by the looks of it they aren't compatible (post face-lift sensor in a prefacelift car).
Can finally get it through an mot now all lights are off :D
Click to expand...

The one on the front wheel I’m assuming.
 
No, the speed sensor is different to the dsc(yaw and acelleration) sensor. The part I replaced was the dsc sensor under the drivers seat. Cost £25 off ebay, part number 34526764018, the face-lift version part no. 3452 6769174 is rare and expensive but the prefacelift one works just fine. I already did the 2 front wheel speed sensors when I rebuilt the hub/knuckle etc. Code 5e38 is the code I had which relates to the yaw sensor not the abs pump or wheel speed sensor. (all tested with inpa and dis v57).
 
 

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I have a Z4 2009 which has the trifecta problem. My mechanic has removed the YAW sensor code 3452 6769174 and says that it is faulty as it was sitting in a pool of water?! Reading the forum and unable to locate a replacement part (apart from BMW at a cost of circa £500) I purchased part 34526764018 which has been stated as interchangeable. My mechanic has said that there is an ABS light coming up which cant clear. It has a lateral accelerator code - 5E34, My mechanic cant clear – maybe his coding equipment isn’t up to it – his words. Any ideas of what I should now do? Thanks in advance
 
Good pic - that's the first time I have actually seen what the lateral acceleration / YAW sensor looks like. I guess you have to remove the drivers seat to get to it?
 
Thanks Jfgoldfish
I'm a bit of a novice with INPA and not sure who can provide this service - I do have a number of readers specific for BMW (Left them in a bundle from a decessed relative) I'm not sure if any of them might offer this service better. I intend to take the readers to my mechanic and see if any provide the INPA service. Perhaps you know? They are;
KESU C101
For BMW OBD -2
C110+ BMW SCANNER- with disc Creator and USB
Worth asking as I might waste my mechanics time (and look stupid)
Thanks in advance
 
dougis2004 said:
I'm a bit of a novice with INPA and not sure who can provide this service - I do have a number of readers specific for BMW
Click to expand...

Folks like myself would be more than happy to plug your car in and do some basic diagnostics. I am in Northampton area.
The C110 is meant to be a good code reader for the money but I doubt it can recalibrate sensors. I may be wrong.
I have very little experience with other code readers outside of my very cheap foxwell and the BMW software suite I run on an old laptop so I can't comment on the others you have there.
 
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