aFe 51-12922-C is the carbon-fiber-look-cover configuration of the Magnum FORCE Stage-2 Pro DRY S intake for qualified BMW B46/B48 2.0L turbo applications. One three-layer oil-free synthetic filter fits the upper cover, which clips onto the retained original lower airbox. The carbon-fiber appearance is vacuum-formed ABS, rather than a certified structural carbon-fiber laminate. The exact shared manufacturer manual expressly names this selected kit and excludes convertible models.
The exact shared manual lists 330i/ix/GT F30/F31/F34 2016-2018, 430i/ix/Gran Coupe F32/F36 2017-2020 and 230i/ix F22 2017-2020, B46/B48 2.0L turbo, explicitly excluding convertibles. All eight original Base rows and their ranges remain, including 230i/230i xDrive through 2021 and 330i GT xDrive through 2019 supported by exact selected-part retailer positives beyond the older manual bounds. These later endpoints remain source-qualified without a physical-incompatibility conclusion. Exact per-part tables restore the missing 430i xDrive Gran Coupe Base 2017-2020 row. No 2016 US-market 330i, G-series chassis, N20, hybrid or new 2019 330i xDrive extension is inferred. Body codes describe chassis qualification and are not invented submodels. Existing broad Base mappings require the non-convertible body and actual matching engine, sensor, lower-airbox and brace clearance; do not select a convertible from model-name overlap.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2017-2021 | BMW | 230i | Base |
| 2017-2021 | BMW | 230i xDrive | Base |
| 2017-2018 | BMW | 330i | Base |
| 2017-2019 | BMW | 330i GT xDrive | Base |
| 2017-2018 | BMW | 330i xDrive | Base |
| 2017-2020 | BMW | 430i | Base |
| 2017-2020 | BMW | 430i Gran Coupe | Base |
| 2017-2020 | BMW | 430i xDrive | Base |
| 2017-2020 | BMW | 430i xDrive Gran Coupe | Base |
Verify 51-12922-C against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 51-12922-C |
| Series/configuration | Magnum FORCE Stage-2; carbon-fiber-look cover |
| Media/quantity | One Pro DRY S three-layer oil-free synthetic filter |
| Filter identity | 21-90096; seven-inch height per selected-part secondary description |
| Cover | 05-12912C2; carbon-fiber-look vacuum-formed ABS per exact-part secondary descriptions |
| Intake tube | 05-76312B1; secondary descriptions identify molded heat-insulating tube |
| Coupling/clamps | 05-01416 double-hump silicone coupling; two #060 clamps |
| MAF | Original sensor transferred with two M4 Torx screws; exact bill gives no length |
| Retained factory components | Lower airbox, original securing clips, MAF and radiator cover |
| Body restriction | Exact manual excludes convertible models |
| Application-source limits | Older manual bounds differ from later exact-retailer 230i 2021 and GT 2019 positives; original bounds retained qualified |
| Performance evidence | Exact flow/dyno primary chart not located; secondary 14% and 12 hp/12 lb-ft claims not certified |
| Emissions | Exact manual prohibits use on any California DMV-registered on-road or off-road vehicle |
| Post-install instructions | Verify all clamps and bolts secure; no numeric torque or mileage interval supplied |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 21-90096 | Pro DRY S air filter |
| 1 | 05-12912C2 | Selected carbon-fiber-look upper cover |
| 1 | 05-76312B1 | Intake tube |
| 1 | 05-01387 | Silicone auxiliary-opening plug |
| 1 | 05-01416 | Double-hump silicone coupling |
| 2 | 03-50002 | #060 clamp |
| 2 | 03-50490 | M4 Torx screw; no length in exact bill |
Black and carbon-fiber-look covers in the shared bill are alternatives; only the selected carbon-fiber-look cover is included. Likewise the oiled and dry filters are alternatives, not two supplied filters. Retain the original lower airbox, MAF sensor, original clips and radiator cover. No new MAF sensor, complete lower housing, wiring or additional sensor hardware beyond the two listed screws is itemized. Carbon Fiber collection copy expressly includes carbon-fiber-style products, so that existing styling membership and tag remain with the construction clearly qualified.
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 21-90096 Pro DRY S filter with three-layer oil-free synthetic media. The other media entry in the shared manual is an alternative.
Is the cover structural carbon fiber?Exact selected-part descriptions identify carbon-fiber-look vacuum-formed ABS. No structural carbon-fiber laminate or weight-saving certification is established.
Are two upper covers supplied?No. The black and carbon-fiber-look covers are alternatives in the shared bill; this configuration selects 05-12912C2.
Does the original lower airbox remain?Yes. The new upper cover attaches to the original lower airbox with the original clips.
Which sensor is transferred?Transfer the original MAF to the new tube using the two supplied M4 Torx screws. No new MAF or additional sensor is itemized.
What is the correct tube installation order?Seat the tube in the filter first, then in the double-hump coupling at the turbo-inlet tube. Align it, tighten coupling clamps and then the filter clamp.
Do these applications include convertibles?No. The exact manual expressly excludes convertible models. Original model-level Base mappings are conditional on the non-convertible body and matching inlet and brace arrangement.
How are later years and performance figures qualified?Original 230i 2021 and GT 2019 endpoints have exact-retailer positives beyond older manual bounds and remain qualified. No primary flow/dyno chart supports secondary numeric gain claims. Check all clamps and bolts secure; the manual supplies no numeric torque or mileage interval. Retain its California restriction.
Verify aFe 51-12922-C. Read all twelve manual pages, work on a cool engine and follow its negative-battery-disconnection instruction, which contains duplicated wording. Remove the radiator cover by releasing its grommets. Unplug the original MAF, unclip the original upper airbox, loosen the original tube-to-turbo-inlet clamp and remove the upper airbox and tube. Preinstall the selected filter with its clamp through the new cover and ensure the filter retaining groove snaps fully along the cover opening. Secure the new cover to the retained original lower airbox using the original clips. Transfer the original MAF to the new tube with the supplied M4 screws. Fit the double-hump coupling and both clamps on the turbo-inlet tube, leaving them loose. Insert the tube into the filter first and then into the coupling, align it, tighten the coupling clamps and then the filter clamp. Reconnect the MAF harness, reinstall the radiator cover and verify every clamp and bolt is secure. The exact manual specifies no numeric torque or mileage recheck. No cutting or drilling is described. Match the auxiliary plug and selected cover to the bill and actual opening; no unrelated inlet system is inferred.
A current standalone manufacturer product page for either selected carbon-look kit was not located. The publicly indexed exact manufacturer twelve-page manual explicitly names both selected MPNs, and all pages, three contact sheets, complete bill and Figures A-E were read and visually inspected. Its cover line duplicates the black dry number, but explicitly includes both selected carbon-look numbers; no unnamed part is substituted. Exact-part secondary sources identify the ABS carbon-fiber-look finish, seven-inch media, later year endpoints and missing Gran Coupe xDrive row. Oiled descriptions incorrectly calling cotton Pro 5R oil-free conflict with the selected media identity; Pro 5R remains pre-oiled, Pro DRY S oil-free. Carbon Fiber category copy includes carbon-fiber-style products, so no material claim is inferred from that styling membership. No exact primary flow/dyno chart was located; secondary 14% flow and 12 hp/12 lb-ft figures are held without certification. No guaranteed output, fuel-economy or delivered-price claim is offered. Turn14 exact-product information remains unavailable without authenticated access. Protected commercial data and price are 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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