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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4475 (FUNCTIONAL DESCRIPTION - F10 - ENGINE PERFORMANCE)ENGINE PERFORMANCE - FUNCTIONAL DESCRIPTIONCHECK UREA/WATER MIXTURE QUALITY
2013 Mini Cooper Countryman, Standard Trans

Check urea/water mixture quality

2013 Mini Cooper Countryman, Standard TransSECTION Check urea/water mixture quality
WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2016 BMW M5, 2016 BMW 550i xDrive, 2016 BMW 550i, 2016 BMW 535i xDrive, and 2016 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.

Carry out a quality inspection of the AdBlue using a refractometer with an AdBlue scale. During this the concentration of the urea is ascertained with the help of the light refraction. Use the enclosed pipette to apply a drop of the medium to be tested onto the prism and close the lid. Take a reading of the concentration on the corresponding scale for the AdBlue with the light/dark limit in the ocular.

Fig 1: Checking Urea/Water Mixture Quality
G09908205Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Refractometer with AdBlue scale
2 AdBlue scale with light/dark limit of 32.5% AdBlue

Evaluating the AdBlue mixture: 

Setpoint values: 31, 8% - 33.3%

  • Values that are lower than 31.8 % will no longer warrant the proper function of the AdBlue mixture and replacement is required. (The AdBlue can age due to ultraviolet radiation, the urea is gradually decomposed)
  • The values are within this tolerance when the displayed values are between 31.8% and 33.3 %. The AdBlue is delivered with a concentration of 32.5 %.
  • When values are higher than 33.3 %, the water amount in the mixture is too low. The water can evaporate if the SCR tank system is leaking.
RENDER: 1.0x

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