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Owing to the extreme heat and harsh operating conditions, it is a good idea to check the supercharger oil level on a regular basis. MINI does not specifically recommend a supercharger oil service and no oil is available through MINI parts.

The supercharger on the MINI is manufactured by Eaton. General Motors uses a similar Eaton supercharger and the GM supercharger oil (GM Part number 12345982) can be substituted.

The supercharger has two oil reservoirs

; one on the front of the

supercharger below the drive pulley

and one on the rear behind the water pump.

Oil service for each is covered

separately.

The reservoir fill plugs are difficult to access, and some disassembly is required to access the rear plug. A small diameter hose may help to facilitate topping off.

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Supercharger front oil reservoir, adding oil

(W11 engine)

• Remove engine oil dipstick tube.

• Using a 3/16

• Allen wrench remove oil fill plug (inset).

• 
  Image Added

• Fill reservoir with oil until it begins to run out (arrow).
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• Reinstall plug and tighten.

Supercharge rear oil reservoir, adding oil

(W11 engine)

• Remove water pump. See 170 Radiator and Cooling System.

• Using a 3/16

• Allen wrench remove oil fill plug (arrow).

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Supercharger removed from vehicle for clarity

• Fill reservoir with oil until it begins to run out

• (arrow)

• .

Image Added

• Reinstall plug and tighten.

Related Topics

MINI Repair & Technical Literature: http://www.bentleypublishers.com/mini/