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Home >> BMW >> 2015 >> Z4 sDrive28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 321 (Double Clutch Gearbox - Repair) >> 00 Double Clutch Gearbox (DKG) >> 28 00... Checking/topping up oil level in twin-clutch gearbox (GS7D36SG)

28 00... Checking/topping up oil level in twin-clutch gearbox (GS7D36SG)

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Checking oil level 

IMPORTANT: On the twin-clutch gearbox a run-in check fluid change is not  required at 2000 km.
Use only the approved gear oil for dual clutch transmission GS7D36SG DCTF-1 Pentosin (P/N 83 22 2 147 477). .
Failure to comply with this instruction will result in serious damage to the twin-clutch gearbox.
IMPORTANT: The testing and filling procedure must  be completed before the transmission oil temperature of 40°C is reached.
If a temperature in excess of 40°C is reached and no  oil has emerged, insert the fluid adjusting screw and repeat the testing and filling procedure when it has cooled down.

Installation note: 

Tighten down filler plug using

  1. Hexagon wrench 8 A/F
  2. Torque wrench
  3. Socket 8 A/F
Fig 1: Identifying Filler Plug
G06904032Courtesy of BMW OF NORTH AMERICA, INC.

Topping up transmission oil after a repair 

Stand vehicle on a level surface and secure against rolling off.

Installation note: 

Replace screw.