aFe 54-83043D is the Magnum FORCE Stage-2 Si Pro DRY S sealed intake for qualified BMW X5 and X6 N55 3.0L turbo applications. The current manufacturer page covers the 2011-2019 family, and its exact manual explicitly includes both earlier E70/E71 and later F15/F16 chassis. One 21-90116 washable filter uses three oil-free synthetic layers and a 3-1/4 x 6-1/2-inch oval flange. The heat-resistant XLPE tube and housing retain the original MAF sensor, inlet connection, mounting bracket and vehicle grommets.
The current exact manufacturer pages identify BMW X5/X6 2011-2019 N55 3.0L turbo. The full manual separates X5 E70 2011-2013 and F15 2014-2018, and X6 E71 2011-2014 and F16 2015-2019. The named rows below preserve X5 xDrive35i 2011-2018, sDrive35i 2014-2018, X6 xDrive35i 2011-2019 and sDrive35i 2015-2019. An older title limited to F15/F16 does not erase the earlier chassis explicitly named in the manual. A mixed retailer diesel entry does not establish N55 gasoline-intake compatibility with xDrive35d. No diesel, hybrid, V8, M model or related N54 application is inferred.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2014-2018 | BMW | X5 | sDrive35i |
| 2011-2018 | BMW | X5 | xDrive35i |
| 2015-2019 | BMW | X6 | sDrive35i |
| 2011-2019 | BMW | X6 | xDrive35i |
Verify 54-83043D against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 54-83043D |
| Selected filter | 21-90116; three oil-free synthetic layers |
| Filter flange / height | 3-1/4 x 6-1/2-inch oval flange; 7-1/2-inch height |
| Tube / housing | 05-82082B1 / 05-5483043B2; XLPE |
| MAF fasteners | Two M4 screws 03-50490; length not specified |
| Bracket / tube fasteners | Five M6 screws 03-50102; length not specified |
| Retained grommets | Two at tube, three at housing |
| Housing plug | 05-01429; optional auxiliary inlet |
| Original connections | MAF, inlet tube and clamp, air duct and three harness attachments |
| Battery / torque / recheck | Disconnect negative terminal; no numeric torque; inspect after 100-200 miles |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 21-90116 | Selected Pro DRY S air filter |
| 1 | 05-82082B1 | XLPE intake tube |
| 1 | 05-5483043B2 | XLPE housing |
| 2 | 03-50490 | M4 screws; no stated length |
| 5 | 03-50102 | M6 screws; no stated length |
| 1 | 05-01429 | Auxiliary housing-inlet plug |
The filter alternatives in the shared bill represent separate versions; only the selected element is supplied. The filter has a flange clamp. The original inlet tube and its clamp remain in service; a new numbered coupling is not itemized in this exact bill. Reuse the original MAF sensor, bracket, two tube grommets and three housing grommets. No replacement sensor, grommet set, calibration module or engine cover is itemized. The plug closes the optional auxiliary opening; leaving that opening exposed can admit warmer engine-compartment air.
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 21-90116 Pro DRY S element with three oil-free synthetic layers. The alternative filter row is a separate version.
Are earlier E70 and E71 models covered?The exact manual explicitly names X5 E70 2011-2013 and X6 E71 2011-2014 N55 applications, alongside the later F15/F16 chassis. Use the qualified named rows and actual engine connections.
Does the original MAF transfer?Yes. Transfer the sensor to the new tube using two supplied M4 screws. Their length is not specified.
Are new mounting grommets supplied?The procedure transfers two original grommets to the tube and three to the housing. Retain the original bracket as well.
When is the MAF harness reconnected?Before the housing is seated. Restore the three harness attachments and air duct during final assembly.
Does the original inlet tube remain?Yes. The new tube connects to the retained original inlet tube and uses its original clamp.
Do advertised gains equal peak horsepower gains?The large marked gains compare individual rpm points. The separate peak-result legend gives different horsepower and torque differences; the actual selected-media chart controls.
What battery, torque and recheck steps apply?Disconnect the negative battery terminal before installation. No numeric torque is supplied. Recheck bolts, clamps and connectors after 100-200 miles.
Verify aFe 54-83043D. Read all sixteen pages and figures A-G before starting on a cool engine. Disconnect the negative battery terminal. Remove and save the engine cover, release the original inlet clamp, unplug the MAF harness and lift out the original intake assembly as illustrated. Release and retain the bracket and three wiring-harness attachments. Transfer two original grommets to the new tube and three to the new housing. Transfer the original MAF to the new tube with the two supplied M4 screws; the bill does not specify screw length. Attach the original bracket to the housing with three M6 screws. Place the selected filter and tube into the housing from its back, align the filter clamp with the housing cutout and secure that clamp. Secure the tube to the housing using the remaining two M6 screws. Reconnect the MAF harness before seating the housing. Insert the new tube into the retained original inlet tube, then seat the housing fully in its mounting grommets. Restore the air duct and all three harness attachments, secure the original inlet clamp and refit the engine cover. Fit the auxiliary opening plug as illustrated for a closed housing. Check connections and clearances before reconnecting the battery. No numeric fastener or clamp torque is provided. Recheck bolts, clamps and connectors after 100-200 miles.
The actual shared bench chart lists 345 CFM for this media versus 305 CFM stock at seven inches of water, approximately 13% more. The selected dyno chart marks 20.99 hp and 42.51 lb-ft gain at 2598 rpm. Its separate peak-result legend differs by 5.32 hp and 44.05 lb-ft; point gains and peak-to-peak differences are separate comparisons. The test identifies an X5 F15 N55 M-Sport sDrive with original ECU, downpipe and exhaust, 315/35R20 tires, fourth gear, Sport+ mode, inductive rpm, one large fan and an open hood. Intake testing is August 22, 2019 versus July 29 baseline, SAE 1.04 for both and smoothing five. No independent vehicle model year is printed. Different dates and test configuration limit comparison; this is not a guaranteed result for every listed chassis or year. The manufacturer states this product is not CARB exempt and restricts California purchase or use on California-registered vehicles.
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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