aFe 54-12522 is the Magnum FORCE Stage-2 intake for BMW X1 E84 models equipped with the turbocharged N20 2.0L four-cylinder. Existing U.S. sDrive28i and xDrive28i applications remain 2013-2015; the manufacturer uses a broader 2012-2015 international heading. One seven-inch-high, five-layer oiled Pro 5R filter sits in a powder-coated metal heat shield and connects through a wrinkle-black aluminum tube to the original coupling.
Current exact primary and manual identify X1 E84 28i/ix with the N20 turbocharged 2.0L engine, broadly 2012-2015. BMW North America identifies its U.S. arrival as model year 2013 in fall 2012. Both original 2013-2015 sDrive28i and xDrive28i rows, their compressed tags and native X1 membership are retained. Exact-part retailers positively list some 2012 and international M Sport/TOP Line rows; these are qualified by market/model-year identity and are not deleted as physically incompatible, nor added as new U.S. applications. No xDrive35i, six-cylinder, diesel, N26 or later F48 housing compatibility is inferred. Verify the actual N20 engine, original coupling, MAF and mounting arrangement.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2013-2015 | BMW | X1 | sDrive28i |
| 2013-2015 | BMW | X1 | xDrive28i |
Verify 54-12522 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 54-12522 |
| Product line | Magnum FORCE Stage-2 |
| Vehicle/engine | BMW X1 E84, N20 turbocharged 2.0L four-cylinder; saved U.S. rows 2013-2015 |
| Manufacturer year heading | 2012-2015; U.S. first model year 2013 separately established by BMW North America |
| Filter | One 24-90074; seven-inch height, 3.5-inch flange, five-layer oiled Pro 5R |
| Manual filter notation | R24-90074 Blue Media in bill; accessory/service page and current primary use 24-90074 |
| Tube | 05-12522B1; three-inch mandrel-bent wrinkle-black aluminum per exact current primary |
| Housing | 05-12522B2; one-piece powder-coated metal shield, current primary 18 gauge |
| Trim seals | 25.25-inch and 14.75-inch lengths, both service part 05-00072 |
| Housing hardware | One M6x1 nut 03-50059; one M6 hex screw 03-50032, length unspecified; two M6 washers 03-50070 |
| Sensor hardware | Two M4 cheese-head screws 03-50221, length unspecified; T20 bit 03-50066 |
| Original parts | MAF sensor, original coupling and illustrated attachment locations; original dome grommet removed |
| Flow qualification | Manufacturer claims 47%; no linked exact bench-flow chart available |
| Dyno qualification | Marked point differences 10.88 HP and 14.27 lb-ft; run-maximum differences -1.39 HP and +11.22 lb-ft; exhaust and test conditions differ |
| Emissions | Current exact manufacturer page states not CARB exempt; not available for sale in California or use on California-registered vehicles |
| Procedure limits | Negative battery disconnection; no numeric torque; periodic checks without a mileage interval |
| UPC | 802959504970 |
| 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. |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | R24-90074 / 24-90074 | Selected blue Pro 5R filter; shared-manual R21-90074 dry filter is an alternative |
| 1 | 05-12522B1 | Intake tube |
| 1 | 05-12522B2 | Metal heat-shield housing |
| 1 | 03-50059 | M6x1 hex nut |
| 1 | 05-00072 | 25.25-inch trim seal |
| 1 | 03-50032 | M6 hex screw; length unspecified |
| 2 | 03-50221 | M4 cheese-head sensor screws; length unspecified |
| 1 | 03-50066 | T20 Torx bit |
| 2 | 03-50070 | M6 flat washers |
| 1 | 05-00072 | 14.75-inch trim seal |
Only one selected oiled filter is supplied, not both filters shown in the shared-manual bill and illustrations. Original coupling and clamp connections are reused; despite the current generic Coupler Included flag, the exact bill does not itemize a new coupling or coupling clamps. Retain the original MAF sensor. A new MAF sensor, generic cover, tuning module, drop-in filter, service chemicals and other manual accessory-page products are not included. Do not invent M4 or M6 screw lengths from a related intake.
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 oiled filter, aluminum tube, metal shield, two trim seals, one M6 nut, one M6 screw, two M6 washers, two M4 sensor screws and a T20 bit. The dry filter in the shared bill is an alternative.
Which X1 engine and years are supported?The N20 turbocharged 2.0L E84 sDrive28i/xDrive28i. Existing U.S. rows remain 2013-2015; broader 2012 headings require market/model-year qualification.
Is the tube plastic and does a cover come with it?The exact current primary specifies a three-inch mandrel-bent aluminum tube and one-piece metal shield. A separate cover is not itemized in the exact bill.
How must the filter and shield fit together?Seat the shield in the filter-retention groove and make sure it is sealed before positioning the housing. Fit both illustrated trim-seal sections.
What happens to the original MAF and dome grommet?Transfer the MAF to the new tube using the supplied T20 bit and M4 screws, then reconnect its harness. Remove the original dome grommet as the manual directs.
Is a new coupling installed and which tube end goes first?The original coupling is reused. Insert the tube into that coupling first, then into the filter, align and secure both connections.
Are the advertised gains and California legality unconditional?No. The dyno compares different exhaust and test conditions, and marked point differences differ from run maxima. Current manufacturer states this kit is not CARB exempt or available for California sale/use on California-registered vehicles.
What battery, torque and recheck instructions apply?Disconnect the negative battery terminal before work. Check clamp security periodically; this exact manual supplies no numeric torque or fixed mileage interval.
Verify aFe 54-12522. Read the full twelve-page manual and work on a cool engine. Disconnect the negative battery terminal. Unplug the MAF harness, remove the two 10 mm bolts holding the original housing and loosen the original tube clamps. Lift out the housing/tube and remove the dome grommet on which the original housing rested. Install the selected filter in the new housing, making sure the shield is sealed in its filter-retention groove, and fit the two trim-seal sections in the illustrated positions. Place the housing in the vehicle and secure it using the specified M6 nut, screw and washers at the illustrated locations. Remove the MAF from the old airbox with the supplied T20 bit and attach it to the new tube with the supplied M4 screws. Insert the tube into the original coupling first and then into the new filter, align and secure the clamps, and reconnect the MAF harness. Verify clamp security and recheck periodically. No numeric torque, fixed mileage recheck, cutting or drilling instruction is supplied. Tools listed are 7, 8 and 10 mm and 7/16-inch sockets/nut drivers, ratchet/extension and flat-head screwdriver.
The exact current product page and all twelve pages of its linked shared manual were read, including all three contact sheets, A1/A2-J bill, Figures A-D, blank/accessory/warranty/contact pages and the actual linked dyno image. The current exact primary describes a three-inch aluminum tube and 18-gauge shield; older generic retailer molded-plastic/16-gauge/cover descriptions are not substituted. The shared bill labels the selected filter R24-90074 while the current service listing and manual accessory page use 24-90074; dry-grey illustrations are not proof that this selected kit is dry. The generic coupling-included flag conflicts with the bill and procedure reusing the original coupling. The 47% airflow claim lacks a linked exact bench chart and remains unverified. The linked 2013 X1 N20 plot marks intake/baseline 197.23/186.35 HP and 258.82/244.55 lb-ft, point differences 10.88 HP and 14.27 lb-ft. Run maxima 228.72/230.11 HP and 258.84/247.62 lb-ft instead yield -1.39 HP and +11.22 lb-ft. Baseline April 2, 2014 at 9:32:46 AM uses original intake/exhaust, fourth-gear automatic, 61.66 F, 28.97 in-Hg, 38% humidity, SAE 1.00. The intake run April 15 at 2:37:35 PM explicitly uses both aFe intake and aFe exhaust, fourth-gear automatic, 86.82 F, 28.95 in-Hg, 18% humidity, SAE 1.03. Different exhaust, dates, weather and correction factors prevent attributing the comparison solely to the intake or promising an 11/14 peak gain. BMW North America establishes U.S. 2013 introduction; broader positive 2012 retailer/manufacturer headings remain market-qualified without changing existing saved rows. Current exact primary states not CARB exempt and prohibits California sale/use on California-registered vehicles; no unrelated EO is borrowed. Turn14 exact-product information remains unavailable without authentication. Protected commercial data and price remain unchanged.
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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