The aFe 31-10256 replaces the original airbox filter in the specified applications with oil-free synthetic media. The exact current manufacturer describes MINI F54/F55/F56/F60-era applications in a 2014β2019 family headline and includes F48, which is a BMW X1 chassis rather than a MINI model code. The headline also combines a 1.5L three-cylinder description with a 1.5L four-cylinder label; this publication inconsistency is not copied as reliable cylinder-count approval. Exact per-part engine detail independently supports the retained BMW F48 X1 and F39 X2 28i rows and the listed F-generation MINI engine/housing applications. Six old 2015 Coupe and Roadster groups relate to a different body generation outside this current F-chassis scope, and no exact primary approval for them was found. Those named groups are withheld as unsupported source holds, not declared physically incompatible with every older engine. The remaining original bounded Cooper, Clubman, Countryman and BMW rows are retained with engine/body/housing conditions. Do not generalize a 2014β2019 Cooper row to every older convertible or a later-generation car merely because the badge is the same.
| Detail | Value |
|---|---|
| F-generation MINI family | Current primary 2014β2019 headline; exact engine/body and original housing govern |
| BMW X1 / X2 | Original F48/F39 28i rows supported by exact retailer engine/chassis detail, not a MINI F48 model invention |
| Coupe / Roadster 2015 legacy rows | Six named groups withheld pending exact primary support for the older body generation |
| Published engine labels | Conflicting L3/L4 1.5L wording is not certified; match actual engine and original element |
| Construction | One three-layer synthetic oil-free panel; no complete intake or numeric element-size claim |
31-10256: verify the exact engine, original element and housing. Model or trim names alone do not establish all-engine interchangeability.
| Detail | Value |
|---|---|
| Manufacturer Part Number | 31-10256 |
| 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 three layers of oil-free synthetic media. |
| Flow statement | The exact current manufacturer gives no numerical airflow gain or efficiency percentage. General-media or oiled-filter values are not substituted, and the old promise of measurable power improvement is not a guaranteed result. |
| Emissions | Exact manufacturer page states this filter does not require a CARB EO number; other modifications are not certified by that statement |
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
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 describes MINI F54/F55/F56/F60-era applications in a 2014β2019 family headline and includes F48, which is a BMW X1 chassis rather than a MINI model code. The headline also combines a 1.5L three-cylinder description with a 1.5L four-cylinder label; this publication inconsistency is not copied as reliable cylinder-count approval. Exact per-part engine detail independently supports the retained BMW F48 X1 and F39 X2 28i rows and the listed F-generation MINI engine/housing applications. Six old 2015 Coupe and Roadster groups relate to a different body generation outside this current F-chassis scope, and no exact primary approval for them was found. Those named groups are withheld as unsupported source holds, not declared physically incompatible with every older engine. The remaining original bounded Cooper, Clubman, Countryman and BMW rows are retained with engine/body/housing conditions. Do not generalize a 2014β2019 Cooper row to every older convertible or a later-generation car merely because the badge is the same.
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 three layers of oil-free synthetic media.
Does the flow percentage guarantee more engine power?The exact current manufacturer gives no numerical airflow gain or efficiency percentage. General-media or oiled-filter values are not substituted, and the old promise of measurable power improvement is not a guaranteed 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.
Does F48 identify another MINI chassis?No. Exact engine/chassis detail identifies BMW X1 F48, while MINI F-generation models require their own correct chassis and housing. The mixed manufacturer heading does not approve a different body generation or make every 1.5L engine a four-cylinder.
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 three 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.
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.
31-10256: verify the original filter interface before operation.
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