Check automatic transmission fluid

  • 2005 MINI COOPER
  • 4 CYL
  • FWD
  • 61,000 MILES
How do you check the automatic transmission fluid and what type does it take. I don't see a dipstick for it or a place to add on the top of the engine. Couldn't find it in the owner's manual either
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Tuesday, June 1st, 2010 AT 11:58 AM

1 Reply

Use MINI Automatic Transmission Fluid JWS 3309

you will want to have shop drain and refill because it is sealed unit and requires special pump to refill. To check it though, remove splash shield under engine, remove 3 bolts at bottom of front bumper cover. Unlock splash shield mounting bolts. Remove splash shield then use a 6 mm allen wrench to remove the fill/level check plug on tranny. Some fluid will leak out if the tranny is full.

Use only the approved automatic transmission fluid in this automatic transmission.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Installation Note:
Details of approved fluid type:
refer also to adhesive label on transmission fluid sump.

Level out oil level in automatic transmission via overflow connector

Remove M10 oil drain plug (1) from transmission sump.
Tightening torque 24 11 1AZ See: Fluid PanSpecifications.
Pour in automatic transmission fluid through filler plug until fluid emerges at oil drain plug.

Start engine and run at idle speed.
Check whether ATF emerges at M10 oil drain plug.
If not, continue to add ATF.

Actuate brake pedal and at idle shift through all gears "P" to "D" twice for more than 2 seconds.
Then move switch to "P" position.
Again check whether ATF emerges at M10 oil drain plug.

Check the temperature of the automatic transmission fluid with the BMW Diagnosis System.
Increase temperature of automatic transmission fluid to 35. 45 C.

Top up automatic transmission fluid until it flows over.
Screw in filler plug and oil drain plug.
Tightening torque 24 11 1/2AZ See: Fluid PanSpecifications.

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

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Tuesday, June 1st, 2010 AT 1:32 PM

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