General Category > ABS related issues

25072 Faulty ADC value of rear speed sensor ( Am I right? )

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Jughead:

--- Quote from: titus on March 09, 2016, 11:25:41 PM --- Thx a lot Jughead, it make sense what you suggest. I will order the parts tomorrow. Hope i will manage to change. Do you think that it will be probably better to change all the bearings from the final drive ? Once it is apart it will be a chance to do so ( i do not have any idea how many km those bearings should last)

--- End quote ---

Hi Titus

Yes, it is essential to replace all bearing and seals at the same time.  Any metal bits in the oil, which were not picket up by the sensor in your photo, will be interfering with all the bearings that run within the oil.  So all the bearings will show excessive wear patterns and should be replaced.

However, just be aware that special tools are required to dismantle and re-assemble the final drive.  If required, I can provide you with a complete list of part numbers for the parts required.  Only one of the bearings can be purchased as an after-market part.  The rest are all BMW specific.  You can purchase the seals at virtually any bearing supplier, but only use Viton seals.

Have a look here for the strip-down procedure: http://www.roamafrica.co.za/forum/index.php?topic=2455.0

titus:
  Hi, i already order the OEM parts including seals. I will have it here on next week . I do have to build the board and the special 331711 tool to  take out the pinion drive. I will see what i can improvise next week. Thx for tips, much appreciated. If you ever come here in Transylvania you are more than welcome

Jughead:
[emoji106]

titus:
The special tool done today

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