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Pro DRY S replacement with the correct engine and housing
The aFe 31-10174 replaces the original airbox filter in the specified applications with oil-free synthetic media. The exact current manufacturer specifies MINI Cooper S2009–2012 1.6L turbo and TWO synthetic media layers. Exact dry-part retailer tables separately identify the retained older R-series Cooper S/JCW/Clubman scopes and restore Coupe S/Roadster S2012–2015, Coupe John Cooper Works2014, Countryman S/S ALL4 2011–2016, Countryman John Cooper Works ALL4 2014 and Paceman S/S ALL4 2013–2016 named rows. Factory John Cooper Works model names must not be confused with an installed conversion kit or a different factory airbox; confirm the actual original element. The two legacy later Clubman S2016/S ALL4 2017–2022 rows have not been supported by an exact engine/housing table for this older1.6T part. They are withheld as generation/engine source holds, not a physical installation test or a declaration that every later filter is incompatible. The supported older S Clubman uses the relevant R55 engine and original housing; a later Clubman badge alone is insufficient. No new BMW Z4 or later2.0L MINI row is inferred from a generic retailer All-model widget.
Key Features
- Oil-free synthetic filtration media.
- Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies two layers of oil-free synthetic media.
- Rounded open pleats provide usable filter area and dust-holding capacity.
- Full polyurethane perimeter frame and progressive bump seal.
- The exact current manufacturer publishes no numerical airflow-gain, efficiency or horsepower test for this element. Retailer99.2-percent or another media option’s figures are not promoted to a current exact primary result.
Fitment
| Detail | Value |
|---|---|
| Current manufacturer scope | Cooper S2009–2012 1.6L turbo; verify original R-series housing |
| Restored Coupe / Roadster | Coupe S/Roadster S2012–2015 and Coupe John Cooper Works2014 exact retailer detail |
| Restored Countryman / Paceman | Countryman S/S ALL42011–2016/JCW ALL42014; Paceman S/S ALL42013–2016 exact named rows |
| Later Clubman source holds | Original S2016/S ALL42017–2022 withheld pending exact later-generation engine/housing proof; not a physical incompatibility finding |
| Package / media | One OE element with TWO synthetic media layers per exact current manufacturer; no oiling or supplied cleaning kit |
31-10174: verify the exact engine, original element and housing. Model or trim names alone do not establish all-engine interchangeability.
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 31-10174 |
| Media | Pro DRY S; oil-free synthetic media |
| Configuration | One OE-replacement air-filter element; original housing retained |
| Pleat description | Rounded open pleats; no verified numeric pleat depth on the exact current primary |
| Frame / seal | Polyurethane perimeter frame; progressive bump seal |
| Service | Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies two layers of oil-free synthetic media. |
| Flow statement | The exact current manufacturer publishes no numerical airflow-gain, efficiency or horsepower test for this element. Retailer99.2-percent or another media option’s figures are not promoted to a current exact primary result. |
| Emissions | Exact manufacturer page states this filter does not require a CARB EO number; other modifications are not certified by that statement |
What's Included
- One Pro DRY S OE-replacement air-filter element.
- No complete airbox, intake tube, sensor, separate coupler kit or filter-service supplies are documented as included.
About aFe Power
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
Related Parts
- Browse aFe Power filter configurations; compare the exact original housing and engine.
- Manufacturer filter-media maintenance guidance; follow the oil-free Pro DRY S cleaning routine.
Frequently Asked Questions
What is the 31-10174?One Pro DRY S OE-replacement air-filter element for the verified housing and engine application described here; this is not a complete intake system.
Which application should I verify?The exact current manufacturer specifies MINI Cooper S2009–2012 1.6L turbo and TWO synthetic media layers. Exact dry-part retailer tables separately identify the retained older R-series Cooper S/JCW/Clubman scopes and restore Coupe S/Roadster S2012–2015, Coupe John Cooper Works2014, Countryman S/S ALL4 2011–2016, Countryman John Cooper Works ALL4 2014 and Paceman S/S ALL4 2013–2016 named rows. Factory John Cooper Works model names must not be confused with an installed conversion kit or a different factory airbox; confirm the actual original element. The two legacy later Clubman S2016/S ALL4 2017–2022 rows have not been supported by an exact engine/housing table for this older1.6T part. They are withheld as generation/engine source holds, not a physical installation test or a declaration that every later filter is incompatible. The supported older S Clubman uses the relevant R55 engine and original housing; a later Clubman badge alone is insufficient. No new BMW Z4 or later2.0L MINI row is inferred from a generic retailer All-model widget.
Is the Pro DRY S media oiled?Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies two layers of oil-free synthetic media.
Does the flow percentage guarantee more engine power?The exact current manufacturer publishes no numerical airflow-gain, efficiency or horsepower test for this element. Retailer99.2-percent or another media option’s figures are not promoted to a current exact primary result.
How does this filter seal?Its progressive bump seal and full polyurethane perimeter frame conform to the original housing. The manufacturer says separate filter gaskets or sealants are not required; the existing housing must still close and secure correctly.
Are a hose coupler and cleaning kit supplied?The exact listing identifies an OE-replacement filter. A generic Coupler Included field does not establish a separate hose package; no airbox, tube, sensor, cleaner or oil bottle is documented as supplied.
Do JCW or Clubman names alone prove the same airbox?No. Distinguish actual factory R-series hardware, JCW conversion kits and later-generation engines/housings. Restored exact retailer rows retain those conditions, while the two unsupported later Clubman rows remain source holds.
When should I clean it?Inspect according to actual dust exposure and restriction. Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies two layers of oil-free synthetic media. Use low-pressure rinse from the clean side toward the dirty side, let the element dry naturally before reinstalling. Do not use heat, compressed air or any filter oil. Do not treat an older general-care mileage example as a guaranteed interval for every vehicle or environment.
Installation Instructions
- Read the exact manufacturer product information for 31-10174 and the original vehicle airbox service procedure.
- With the engine off and cool, compare the new filter and original element, including the sealing interface. Resolve an engine or housing mismatch before installation.
- Open the original housing according to its service procedure, remove the old element and keep debris out of the clean intake path. Clean the housing seat.
- Seat the polyurethane frame evenly without folding the bump seal or adding sealant. Close and secure the original housing and inspect all its attachments.
- Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies two layers of oil-free synthetic media.
No vehicle-specific installation PDF or numeric airbox torque is linked on this exact manufacturer page. Follow the original housing service procedure and the correct oil-free Pro DRY S maintenance directions. Read the manufacturer media maintenance guidance.
31-10174: verify the original filter interface before operation.
California Proposition 65 Warning
- This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
- California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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