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Old 16th March 2009, 01:38   #31
nerio02
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most off the time it says its a wheel sensor.
never seen or heard off a specific code for the module

most off the time it says wheelsensor (rightor left) no signal.. iff you get that its most off the time the module.

iff it says wheelsensor (right or left)without "no signal" its most off the time just the sensor it self.

and a new or second hand module needs too be recoded to your car.
the good thing is that the module is placed in several bmw cars. so a second hand one is not that hard too find.
i thought the 540i,535i, some 7 series used the same as ours.some searching on the net could give you a exact answer though, because i can t tell you exactlly what others they used this module also..

This is an uncoded part and will need to be programmed by your independent shop or dealer.

Applications:
Z8 Z8
528i from 09/98 E39
528i Wagon from 09/98 E39
525i E39
525i Wagon E39
530i E39
540i from 09/98 E39
540i Wagon from 09/98 E39
M5 E39
740i, iL from 09/98 E38
750iL from 09/98 E38



Part Numbers:
34526769862
34-52-6-769-862
34 52 6 769 862

check salvage yards ..
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Last edited by nerio02; 16th March 2009 at 01:48.
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Old 16th March 2009, 01:54   #32
markm5Ireland
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Is there a DIY for the ABS Control Module Repair kit? Is it easy to fix? Anyone know causes of this going bad, I've noticed its beside window washer reserve......potentially water on it could cause it to go bad...
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Old 16th March 2009, 02:14   #33
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Quote:
Originally Posted by markm5Ireland View Post
Is there a DIY for the ABS Control Module Repair kit? Is it easy to fix? Anyone know causes of this going bad, I've noticed its beside window washer reserve......potentially water on it could cause it to go bad...
personally i think it is more something like the pixels in the cluster..
they corode and at the end give a shortige or something..or at a point in time they get affected by shocks from putholes etc..or it could happen sometimes when dsc interrupts and it shorts out..heat from the brake distributer thing where the module is screwed on could affect it also.i thought there is a seal between the brake block and the module so water is a long shot.the module is open on the back side, the rest is one piece molded plastic.
could be anything.. i have no clue honestly..only could ,would,should..
only thing i know is that its a common failure part..

only 25% off bad modules can be fixed,so a diy is a shot in the dark.
i dont know what the "fixing" package costs or whats in there for materials, but i have seen abs modules for sale for less then 100 euro's ,150$ on salvage yards,ebay sellers,

go to a salvage yard, look at the abs module and iff its the good partnumber take it and dont mention its for a m5 and you will have one cheap
recode it at the dealer and off you go..
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Old 17th March 2009, 22:10   #34
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Getting mine repaired from ECUtesting.com for only 150 plus vat & courier. Do I need to get alignment of steering angle sensor with DIS which is what TIS says. Also sending unit off for repair, do I only send

E39 M5 Hydro unit DSC/control unit/fastening
RealOEM.com Home => Select another car => Brakes => control systems

No. Description Supplement Qty From Up To Part Number Price Notes
01Hydro unit DSC109/199834516769536$2,003.22
02Repair kit, control unit DSC109/199834526769862$725.40
03Pressure sensor109/199834511165467$111.68




ONLY SEND PART two of Unit for Repair???

You can drive car with unit removed? any problems if this is done.

If alignment of steering angle sensor required, how long does it take? Presumably dealer only? How much to get it done? Can it be done with a GT1/autologic?

My problem is Snap on telling me Front left speed sensor no signal, but ABS sensor replaced and still lights are coming and going!

Its very annoying but hopefully I've found a cheaper solution. Perhaps someone can come back with guidance.
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Old 23rd March 2009, 00:15   #35
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Any comments/advice on above would be helpful. Haven't removed module yet. Thanks in advance
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Old 23rd March 2009, 16:44   #36
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Quote:
Originally Posted by markm5Ireland View Post
Getting mine repaired from ECUtesting.com for only 150 plus vat & courier. Do I need to get alignment of steering angle sensor with DIS which is what TIS says. Also sending unit off for repair, do I only send

E39 M5 Hydro unit DSC/control unit/fastening







RealOEM.com Home => Select another car => Brakes => control systems

No. Description Supplement Qty From Up To Part Number Price Notes
01Hydro unit DSC109/199834516769536$2,003.22
02Repair kit, control unit DSC109/199834526769862$725.40
03Pressure sensor109/199834511165467$111.68











ONLY SEND PART two of Unit for Repair???

You can drive car with unit removed? any problems if this is done.

If alignment of steering angle sensor required, how long does it take? Presumably dealer only? How much to get it done? Can it be done with a GT1/autologic?

My problem is Snap on telling me Front left speed sensor no signal, but ABS sensor replaced and still lights are coming and going!

Its very annoying but hopefully I've found a cheaper solution. Perhaps someone can come back with guidance.




Hi,

You only need to send part number 2.

Clean out engine bay around module before removal. (if dirty)

Disconnect big black socket and remove the six screws.

Cover up the open area with folio or something to seal it off.

Pack the unit good before shipping.

You can drive without the unit, no problems.

When you reinstall it you might have to code the steering angle sensor again. This has to be done with DIS/GT1 or NCS (Dealer tools, 5 minute job)

It is though not 100% sure the problem is your unit, but most likely.

See my second post in this tread and you will see what I mean.


BRAKE, ABS, DSC Light Question

I have a brand new unit on my shelf.

PM me if yours can't be fixed and you are interested in a new one.

Good Luck,

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Last edited by Samsir; 24th March 2009 at 02:27.
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Old 3rd April 2009, 17:23   #37
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hi guys, my '00 m5 had just 58k miles on her when the ABS control module went bad (not just a sensor problem). Brake, DSC, and ABS lights on so I took to my indy mechanic whos one of the best in my area. According to him, this unit is located close to the exhaust and the intermittent hot/cold temps hasten its failure. He says the refurbished ABS units haven't worked in his experience and he did not recommend them despite the cost savings. Anyway, I chose to pass on the repair (don't have $1700 to spend!) and will continue to drive my M5 without ABS and DSC. Hey, just means I can do all the powerslides and drifting I want!! Hope this info is correct.
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Old 7th April 2009, 09:59   #38
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Hey guys,

I just got a computer diagnosis at local brakes place, both front right and rear right sensors were being shown as failed. I asked shop to switch the sensors with the other side and re-diagnose. they switched the front (apparently the rear aren't swappable?) and the computer triggered the same right hand side front and rear.

This sounds to me like the module is definitely bad. Is there anything else that could be wrong before I go off and get a new/refurbished unit??
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Old 26th August 2011, 00:21   #39
MPowrd
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I've had the similar symptom of intermittent faults that go away and then come back hours or days later. I was about to go the route of pulling my control unit and trying to get it repaired when yesterday the brake pedal all of a sudden went soft and while I had enough brakes to get home, it would sink almost to the floor under pressure. Got a low brake fluid warning on the way to the shop this morning.

Took it to a Dinan shop today and they say the entire DSC hydro unit needs replacing (to the tune of $3000 installed). They say the master cylinder is OK. Could a bad hydro unit cause fluid leakage or a soft pedal?

I think they only want to replace the entire DSC unit because they warranty work for 2 years and don't trust rebuilds, but the price tag is pretty high.

Thoughts?
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Old 26th August 2011, 14:09   #40
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I would get a second opinion, try someone else. Low fluid alone will cause your symptoms. Yes the unit could leak into itself and not even show a drop on the outside. Car is old so a rebuilt should do, does not matter what they trust it is your money.
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