aFe 54-76303 Momentum intake uses one Pro 5R oiled filter, a molded housing with inspection window and auxiliary inlet, and a molded intake tube for BMW F10 528i and 528i xDrive with the N20 turbo engine. The original MAF sensor, turbo-inlet clamp, mounting grommet and reinforcement bar are retained.
Both existing named Base rows, BMW 528i and 528i xDrive 2012-2016, remain unchanged. The exact current page and installation-manual cover support F10 N20 2012-2016, correcting the older title ending in 2015. Exact selected-part retailer tables also identify both Base applications. No 2011 six-cylinder, 2017 later-generation engine, or package label is inferred from a retailer headline or generic widget.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2012-2016 | BMW | 528i | Base |
| 2012-2016 | BMW | 528i xDrive | Base |
Verify 54-76303 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 54-76303 |
| Product line | Momentum cold air intake |
| Selected filter | One 24-91088 Pro 5R; five oiled cotton-gauze layers |
| Filter height | Manufacturer overview: 7.5 inches |
| Main materials | Rotomolded housing and intake tube |
| Connections | Original turbo-inlet clamp and supplied filter-flange clamp |
| Flow qualification | Manufacturer 31% claim; matching flow chart not linked on reviewed current page |
| Dyno qualification | Marked differences 11.41 hp / 12.91 lb-ft at different rpm; maxima +9.82 hp / +4.11 lb-ft |
| Emissions | Not CARB exempt; manufacturer California purchase/use restriction applies |
| UPC | 802959540961 |
| 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 | 24-91088 | Selected Pro 5R oiled filter |
| 1 | 03-50003 | Size 096 clamp, 4.5-6.5 inches |
| 1 | 03-50066 | T20 Torx bit |
| 2 | 03-50221 | M4 MAF screws; length not stated in this exact bill |
| 1 | 05-01225 | Optional urethane auxiliary-inlet plug |
| 1 | 05-76303B1 | Rotomolded tube |
| 1 | 05-76303B2 | Rotomolded housing |
The dry filter in the shared bill belongs to a separate version. Retain the original turbo-inlet clamp, mounting grommet, air inlet duct, T30 housing bolt, MAF sensor and reinforcement bar with its two bolts. Although the page generically marks a coupler included, the exact bill does not itemize a new silicone coupling and the procedure retains the original turbo inlet connection. No extra coupling or new brace hardware is certified.
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 24-91088 Pro 5R filter with five oiled cotton-gauze layers. The manufacturer overview describes a 7.5-inch height.
Does coverage include 2016?Yes. The current exact manufacturer page and manual cover identify F10 N20 528i and 528i xDrive through 2016; both original named Base rows remain.
Is a new silicone coupling itemized?No new coupling is itemized in the exact bill. The procedure retains the original turbo-inlet connection and clamp, despite generic coupler wording on the page.
Which MAF hardware is supplied?A T20 bit and two M4 screws transfer the original sensor. This exact bill does not state screw length.
How does the new housing mount?Transfer the original airbox grommet, seat the housing on the factory dome grommet, connect the air inlet duct and reuse the original T30 housing bolt.
Does the reinforcement bar remain?Yes. Remove it with its two bolts for access, then reinstall it and tighten to the applicable factory specification.
What do the dyno maxima show?The run maxima differ by 9.82 hp and 4.11 lb-ft. Larger marked point differences and an internal run-filename conflict are qualified separately.
What torque and recheck interval apply?Use factory specifications for the restored reinforcement bar and periodically recheck all clamps. The exact manual states no numeric torque or mileage interval.
Verify aFe 54-76303. Read all twelve pages and figures A-F. Work on a cool engine and disconnect the negative battery terminal. Disconnect the MAF harness, remove the two reinforcement-bar bolts with a 16 mm socket and retain the bar. Remove the original T30 housing bolt and loosen the original turbo-inlet clamp, then lift out the airbox and tube. Transfer the original airbox grommet to the new housing. Insert the selected filter and secure it with the supplied large clamp; fit the optional plug if closing the auxiliary inlet. Seat the housing on the factory dome grommet and connect the original air inlet duct. Transfer the original MAF using the furnished T20 bit and two M4 screws. Insert the tube into the turbo inlet first, then its other end into the filter. Align and secure the original inlet clamp and supplied filter clamp. Secure the housing with the original T30 bolt and reinstall the reinforcement bar, tightening its bolts to factory specifications. Reconnect the MAF harness and periodically recheck secure connections. The exact manual gives no numeric torque or mileage interval.
The current page claims 31 percent more flow but does not link the matching flow chart reviewed here. Its dyno chart marks 215.71 versus 204.30 hp and 243.92 versus 231.01 lb-ft at different rpm points, differences of 11.41 hp and 12.91 lb-ft. Run maxima are 231.24 versus 221.42 hp and 245.34 versus 241.23 lb-ft, differences of 9.82 hp and 4.11 lb-ft. The intake run filename labels a different part ending 76301, while the accompanying run notes explicitly identify this selected intake. That internal label conflict is retained as a source qualification, rather than presenting an independently verified test identity. Both runs identify a 2014 F10 N20, fourth-gear automatic, original exhaust and SAE 1.02 on May 20, 2014; times, temperature, humidity and pressure differ. Advertised 11 hp / 13 lb-ft must not be represented as differences between run maxima. Current California restrictions apply; older manual race-use wording is not a street exemption. Turn14 access is unavailable and prices 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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