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The aFe 30-10131 replaces the original airbox filter in the specified applications with five layers of factory-pre-oiled cotton gauze. The current manufacturer specifies naturally aspirated N52/N53 3.0L BMW 128i / 325i / 328i / 330i E82/E88/E90/E91/E92/E93 families across a combined 2006–2013 range. The exact ECS engine table supports individual N52 128i, 325i/xi, 328i/xi and 330i/xi housings. The existing 2006 330Ci row refers to the earlier E46 M54 rather than the E90 N52 330i: the primary MAHLE engine catalog explicitly distinguishes those engines. That legacy 330Ci row is withheld as an engine/chassis source-conflict hold pending exact filter proof, not a physical installation test. Existing other named ranges remain bounded; a 2012–2013 328i badge alone must not extend this to a later turbo N20 sedan. Regional N53 and SULEV engine/housing details require their own exact confirmation, not a generic non-turbo displacement assumption.
| Detail | Value |
|---|---|
| BMW 128i | Existing 2008–2013 N52 E82/E88 original-housing application |
| BMW 325i / 325xi / 330i / 330xi | Existing 2006 E90 N52 scopes; do not substitute E46 330Ci |
| BMW 328i / xi / xDrive | Existing individually bounded E9x scopes; no later turbo N20 sedan inference |
| BMW 330Ci source conflict | Legacy 2006 E46 M54 row withheld, distinct from the current N52/N53 chassis family |
| Regional engines | No blanket N53 / SULEV / other engine interchange without exact original housing proof |
30-10131: verify the exact engine, original element and housing. Model or trim names alone do not establish all-engine interchangeability.
| Detail | Value |
|---|---|
| Manufacturer Part Number | 30-10131 |
| Media | Pro 5R; five layers of pre-oiled cotton gauze |
| Configuration | One OE-replacement air-filter element; original housing retained |
| Pleat description | Rounded open pleats; no unverified overall dimensions |
| Frame / seal | Polyurethane perimeter frame; progressive bump seal |
| Service | Washable and reusable oiled cotton media. Use aFe POWER CLEANER and the specified blue air-filter oil; this is not oil-free Pro DRY S media. |
| Flow statement | The manufacturer advertises up to 44% greater filter flow and 98.6% media efficiency. These are not a 44% engine-power increase or complete particle removal. |
| 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 5R 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 current manufacturer specifies naturally aspirated N52/N53 3.0L BMW 128i / 325i / 328i / 330i E82/E88/E90/E91/E92/E93 families across a combined 2006–2013 range. The exact ECS engine table supports individual N52 128i, 325i/xi, 328i/xi and 330i/xi housings. The existing 2006 330Ci row refers to the earlier E46 M54 rather than the E90 N52 330i: the primary MAHLE engine catalog explicitly distinguishes those engines. That legacy 330Ci row is withheld as an engine/chassis source-conflict hold pending exact filter proof, not a physical installation test. Existing other named ranges remain bounded; a 2012–2013 328i badge alone must not extend this to a later turbo N20 sedan. Regional N53 and SULEV engine/housing details require their own exact confirmation, not a generic non-turbo displacement assumption.
Is the Pro 5R media oiled?Washable and reusable oiled cotton media. Use aFe POWER CLEANER and the specified blue air-filter oil; this is not oil-free Pro DRY S media.
Does the flow percentage guarantee more engine power?The manufacturer advertises up to 44% greater filter flow and 98.6% media efficiency. These are not a 44% engine-power increase or complete particle removal.
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.
Are the 2006 330i and 330Ci the same filter application?No shared application is established by their similar names. The exact engine catalog identifies E90 330i as N52 and E46 330Ci as M54. The latter legacy row is withheld pending exact filter proof; the correct N52 330i row remains.
When should I clean and re-oil it?Inspect according to actual dust exposure and restriction. Washable and reusable oiled cotton media. Use aFe POWER CLEANER and the specified blue air-filter oil; this is not oil-free Pro DRY S media. Use low-pressure rinse from the clean side toward the dirty side, let the element dry naturally and allow the specified oil to wick before reinstalling. Do not use heat, compressed air or excess 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 oiled Pro 5R maintenance directions. Read the manufacturer media maintenance guidance.
30-10131: verify the original filter interface before operation.
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