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MINI Cooper Engine Air Filter Replacement Guide
How to clean or change the engine air filter in a 3rd generation 2014 to 2020 MINI Cooper with the 1.5L turbo.

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2019 MINI Cooper Engine
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Loosen Counterclockwise
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Rear Right Screw
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2014, 2015, 2016, 2017, 2018, 2019 and 2020) MINI Cooper in cleaning or changing the engine air filter element for the TurboPower Turbocharged 1.5 liter three cylinder motor.

Owners of other MINI models or some smaller BMW vehicles such as the Cooper S, "JCW" John Cooper Works, Convertible, Hatch, Clubman, One, One First, One D, Coupe, Roadster, Countryman, Paceman, 3 Series, 318i, 328i, 320i, 323i, 325i, 330i, 340i, 230i, M240i, M2, M3, M4, i3, 228i, 230i, 128i, 135i, Z3, Z4 and Z8 may also find these DIY instructions to be helpful. The procedure should the same or similar for the 1.2L, 1.4L, 1.6L, 2.0L I4, diesel and turbodiesel engines.

A few compatible replacement air filters for the 1.5L 3 cylinder turbo engine with their part numbers include the following: K&N 33-3025, Mahle Original LX 4060, Premium Guard PA99007, EcoGard XA10419 and Mann-Filter C22-018.

The only tool needed to access and replace the engine air filter is a Torx T25 star bit screwdriver.



 

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Rear Left Screw - 3rd
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Lift Air Box Cover
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Old Filter Exposed
The first two steps are to open the hood and then move to the right side of the engine bay.

The black plastic engine air box is located in front of the 12V automotive battery and to the left of the driver side headlight assembly.

There are three screws that hold the top of the air box in place to the lower half.

Loosen the three screws by turning them in the counterclockwise direction with a Torx T-25 star bit screwdriver.

The screws are "captured" so they will remain attached to the air box cover.

There is one screw on the front edge of the air box, another on the right rear corner and the third is on the left rear corner.

Gently lift the cover off the top of the air box.

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Lift Out Old Filter
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Old Air Filter Removed
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Inspect Both Sides
Carefully pull the old air filter straight out of the bottom half of the air box.

Inspect both sides of the old filter.

If the old filter is dark grey or black and clogged with dirt, dust, soot, pollen, leaves, insects, twigs, hair, sand and other debris, it should be replaced with a new element.

The original OEM filter is the Mann Filter C22018 (also known as # C 22 018 or 13 71 7 619 267).

If the old filter is relatively clean, just tap out the large debris and remove any fine dust with a vacuum.

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BMW OEM Air Filter
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MANN Filter 180413
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Clean Out Bottom Half
If your vacuum has a crevice attachment, clean out any sand or pebbles in the bottom half of the air box.



 

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Lower In New Filter
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Lower Air Box Cover
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Tighten Clockwise
Lower the new filter down into the bottom half of the air box.

The pleats should be facing down and the rubber gasket should be pointing up towards you.

Carefully lower the air box cover over the new filter.

Tighten the three screws in the clockwise direction with the Torx T-25 screwdriver.

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Right Rear Screw
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Left Rear Screw
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Engine Air Filter Replaced
Try to avoid over tightening the screws to prevent from damaging the plastic air box housing.

Double check to make sure the two halves of the air box are flush together at every edge and that no part of the new filter is visible.

Be sure to record the filter change in your vehicle's service records.

For more, check out all of my MINI Cooper DIY Repair & Maintenance Guides.
 

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