aFe 54-12212 is the Rapid Induction Pro 5R intake for specified BMW 2/3/4-Series applications with the turbocharged N20 2.0L four-cylinder. The current manufacturer title replaces older Magnum FORCE Stage-2 naming; this is not a 3.0L engine kit or Pro DRY S selection. One oiled filter, a mandrel-bent tube and metal shield work with the retained lower factory airbox and transferred MAF. The exact current primary explicitly excludes N26 engines.
Current primary covers specified 2012-2018 BMW 2/3/4-Series N20 2.0L turbo applications and explicitly excludes N26. The exact shared manual illustrates the 2012-2016 F30 328i N20. Exact-part retailer tables support the retained named Base rows below and restore the missing 2015-2016 428i Gran Coupe Base row. Original bounds and gaps remain unchanged. The later 320i/ix years have positive exact-retailer support, with some detailed tables identifying B48, conflicting with the current N20 headline and N20-only illustrated manual; those existing rows are retained as a qualified engine/housing source hold rather than declared physically incompatible. Verify the actual engine, MAF, original lower-airbox shape and connections before purchase. No 3.0L, N26, diesel, 420i non-US or additional engine application is inferred from a related kit or generic model name. Further indexed luxury/sport/package rows require market-specific engine confirmation and are not automatically added.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base |
| 2015-2016 | BMW | 228i xDrive | Base |
| 2013-2018 | BMW | 320i | Base |
| 2013-2018 | BMW | 320i xDrive | Base |
| 2012-2016 | BMW | 328i | Base |
| 2014-2016 | BMW | 328i GT xDrive | Base |
| 2013-2016 | BMW | 328i xDrive | Base |
| 2014-2016 | BMW | 428i | Base |
| 2014-2016 | BMW | 428i xDrive | Base |
| 2015-2016 | BMW | 428i xDrive Gran Coupe | Base |
| 2015-2016 | BMW | 428i Gran Coupe | Base |
Verify 54-12212 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 54-12212 |
| Current product line | Rapid Induction Pro 5R; older Stage-2 naming retained only as source context |
| Engine | Specified N20 turbo 2.0L four-cylinder; N26 expressly excluded |
| Filter | One blue 24-90074; five-layer oiled cotton gauze |
| Filter interface | 3.5-inch flange; 7-inch height; oval base 7.5 x 5 inches and top 7 x 3 inches |
| Tube | One 05-12212B1; current primary 3-inch mandrel-bent wrinkle-black powder-coated design |
| Heat shield | One 05-12212B2; current primary 18-gauge powder-coated metal |
| Sensor screws | Two M4 x 0.7 x 10, 03-50221 |
| Tool / seal | One T20 bit 03-50066; one 24-inch trim seal 05-00072 |
| Original parts | MAF sensor, grommet, tube-end clamp, lower factory airbox and clips retained |
| Revision conflicts | Legacy molded-plastic tube/16-gauge shield/cover copy differs from current mandrel-bent tube/18-gauge specification |
| Dyno qualification | Marked differences 11.03 hp / 14.74 lb-ft at separate marked RPM; peak-to-peak differences 6.49 hp / 6.72 lb-ft |
| Flow / efficiency qualification | 38% flow and 98.6% efficiency advertised; exact supporting reports not linked, not certified here |
| Emissions | Not currently CARB exempt; current manufacturer California purchase/use restriction |
| Procedure limits | No numeric torque or battery-disconnection instruction; periodic recheck with no mileage specified |
| UPC | 802959504642 |
| 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 | 24-90074 | Selected Pro 5R oiled filter A1; A2 dry filter is an alternative |
| 1 | 05-12212B1 | Intake tube B |
| 1 | 05-12212B2 | Metal shield / housing C |
| 2 | 03-50221 | M4 x 0.7 x 10 MAF screws D |
| 1 | 03-50066 | T20 Torx bit E |
| 1 | 05-00072 | 24-inch trim seal F |
The complete A1/A2-F bill supplies one selected filter, not both media. No new MAF sensor, original grommet, lower factory airbox or clips are supplied. Reuse the original tube-end clamp. Step 15 calls the filter clamp furnished, but the bill gives no separate clamp part number or size; do not invent a numbered clamp or additional coupling. Generic Coupler Included metadata does not establish a separately itemized coupler. Optional cover and scoop shown on the product page are separate accessories, not contents.
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 Pro 5R filter, intake tube, metal shield, two MAF screws, T20 bit and trim seal. Reuse the original MAF, grommet and lower factory airbox.
Is this for a 3.0L or N26 engine?No. The exact current manufacturer specifies N20 turbo 2.0L four-cylinder applications and explicitly excludes N26. The old 3.0L title is incorrect.
Why are later 320i years still listed?Exact-part retailer tables positively list the original years, but detailed B48 labels conflict with current N20 scope. Those existing rows remain qualified pending actual engine/housing confirmation.
Does it include a Pro DRY S filter?The selected filter is five-layer oiled cotton-gauze Pro 5R, 24-90074. The gray dry element in the shared bill is an alternative selection.
What factory airbox and sensor parts are retained?Keep the lower factory airbox and clips. Transfer the MAF to the new tube with two supplied M4 x 0.7 x 10 screws and transfer the original grommet.
Are the advertised 11 hp and 15 lb-ft peak-to-peak gains?The linked chart marks differences of 11.03 hp and 14.74 lb-ft at different RPM points. Its printed peak-to-peak differences are 6.49 hp and 6.72 lb-ft under the documented test conditions.
Is this CARB exempt or are the flow claims independently verified?Current primary states it is not CARB exempt and excludes California purchase/use on California-registered vehicles. Exact supporting flow and efficiency reports were not linked.
What torque, battery and recheck instructions apply?The exact manual supplies no numeric torque or battery-disconnection step. It requires periodic clamp checks without a stated mileage interval; restore the released hood cable.
Verify aFe 54-12212. Read every page and work with a cool engine. Disconnect the MAF harness, loosen the clamp between original housing and tube, and release the hood cable as illustrated before lifting the original housing. Loosen the original tube clamp and remove the original tube. With the supplied T20 bit, remove the MAF from the old housing and install it in the new tube using the two supplied M4 screws. Transfer the original airbox grommet to the new tube. Install the tube using the original tube-end clamp and reconnect the MAF harness. Install the selected filter and trim seal on the new shield, with the shield fully seated in the filter retention groove. Separate the original lower airbox and attach the shield to it using the original clips. Install that assembly, then connect the filter to the tube with the furnished filter clamp described in step 15. Restore the hood-cable routing and retention released earlier; the manual does not separately detail that restoration. Check clearance and secure clamps. The exact manual specifies periodic rechecks without a mileage interval, numeric torque or battery-disconnection step.
Current exact primary, full 12-page shared manual, all three page contacts, complete A1/A2-F bill and figures A-F were read and viewed. Manufacturer N20 2.0L controls over the old 3.0L title; N26 is explicitly excluded. Retained later 320i/ix positives versus B48 retailer engine labels remain qualified without assuming incompatibility or extending applications. Current mandrel-bent tube and 18-gauge metal shield take priority over generic molded-plastic/16-gauge retailer copy. One selected oiled filter is supplied; the dry element is an alternative. The bill omits a separately itemized clamp/coupler even though the final step refers to a furnished filter clamp, so no part number, size or extra coupling is invented. The manual releases the hood cable without separately describing restoration; restore original routing and retention. No battery step, numeric torque or numeric mileage interval is provided. No flow or efficiency report is linked for the advertised 38% and 98.6% figures. The actual linked dyno compares a 2013 F30 328i N20 with OE exhaust in fourth gear: marked power 179.60 versus 168.57 hp at about 3,800 rpm and torque 240.09 versus 225.35 lb-ft near 4,000 rpm. These separate marked differences of 11.03 hp and 14.74 lb-ft are not peak-to-peak gains. Printed maxima are 227.55 versus 221.06 hp and 241.66 versus 234.94 lb-ft, differences 6.49 hp and 6.72 lb-ft. Both runs are February 5, 2014, 3:19 versus 3:46 PM, 69.40 versus 69.01 F, 29.00 in-Hg, 25% humidity, SAE 1.01, smoothing 5. They are manufacturer test context, not guaranteed results. Current primary says not CARB exempt; no exemption is borrowed. Turn14 authenticated exact-product access remains unavailable. Pricing and protected commercial data stay 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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