aFe 51-76301 is the Momentum dual-filter dry intake explicitly identified in the exact manufacturer-authored shared manual for qualified BMW M5 F10 and M6 F06/F12/F13 S63 4.4L twin-turbo applications. Two selected dry filters, two separate molded housings, two tubes, two silicone couplings and six supplied clamps serve the two intake paths. A standalone current dry product page was not located; the exact shared manual explicitly names this selected part and its dry filter bill.
Retain the three original named Base rows and their separate bounds: M5 2013-2016, M6 2012-2018 and M6 Gran Coupe 2014-2019. The exact shared manufacturer manual names M5 F10 and M6 F12/F13 2012-2016, with a separate M6 F06 Gran Coupe line 2012-2019. Exact selected dry retailer listings corroborate the retained later M6 2018 and Gran Coupe 2019 coverage. These differing manufacturer/manual/retailer bounds are qualified by actual body style, market year and S63 intake/MAF configuration; they do not uniformly extend every body style or add earlier US model years. No later F90, different engine or larger-displacement application is inferred.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2013-2016 | BMW | M5 | Base |
| 2012-2018 | BMW | M6 | Base |
| 2014-2019 | BMW | M6 Gran Coupe | Base |
Verify 51-76301 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 51-76301 |
| Product line | Momentum dual-filter intake |
| Selected filters | Two 21-91073 Pro DRY S oil-free filters |
| Main materials | Rotomolded housings and plastic tubes; silicone couplings |
| Supplied clamps | Four size 056 plus two size 096 |
| Bench flow | Manufacturer family chart explicitly labels dry PDS 515 vs stock 500 CFM at 7 inches H2O: 3% increase |
| Dyno qualification | No exact selected dry dyno report reviewed; oiled-sibling power claims are not dry certification |
| Emissions | Not CARB exempt; manufacturer California purchase/use restriction applies |
| UPC | 802959540268 |
| 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 |
|---|---|---|
| 2 | 21-91073 | Selected oil-free Pro DRY S filters |
| 1 | 05-76301B3 | Driver-side molded housing |
| 1 | 05-76301B4 | Passenger-side molded housing |
| 1 | 05-76301B1 | Driver-side molded tube |
| 1 | 05-76301B2 | Passenger-side molded tube |
| 2 | 05-01280 | 3.5-inch silicone couplings |
| 4 | 03-50009 | Size 056 clamps, 3-1/16 to 4 inches |
| 2 | 03-50003 | Size 096 clamps, 4.5 to 6.5 inches |
| 4 | 03-50221 | M4 cheese-head MAF screws; length not stated in this exact bill |
The alternate 24-91073 oiled filters in the shared bill are not two additional filters. Retain both original MAF sensors, both original air inlet pieces, original mounting grommets and the two original T30 housing screws. Keep each original inlet and sensor on its own side. The passenger housing is identified by its side cutout. The four M4 cheese-head screws have no stated length or pitch in this bill. No new MAF, auxiliary plug, new hose hardware, cleaning kit or tuning module is itemized.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
Two selected 21-91073 oil-free Pro DRY S filters. The alternate oiled pair shown in the shared bill belongs to another selected version and is not additionally supplied.
Does every M6 body style share one year range?No. Existing M6 2012-2018 and M6 Gran Coupe 2014-2019 rows remain separately qualified by body style and exact selected-part evidence.
How many couplings and clamps are supplied?Two 3.5-inch silicone couplings, four size 056 coupling clamps and two size 096 filter clamps.
Can the MAF sensors be swapped between sides?Keep each original sensor on its matching driver or passenger tube. The manual explicitly warns against reversing tubes or sensors.
Which original air inlet parts remain?Remove both original inlet pieces from the airboxes and reinstall each on its matching side, then align the new housings with them.
Which end of each tube goes in first?Insert the tube into its filter first, then into its turbo-inlet coupling, with the logo facing upward.
Is the measured airflow increase 29 percent?The manufacturer family chart explicitly shows dry PDS 515 versus stock 500 CFM at 7 inches H2O, a 3% increase. Its oiled 540-CFM value and older retailer 29% wording do not describe the selected dry comparison.
What torque and follow-up interval apply?The exact manual states no numeric torque and calls for retightening after approximately 100 miles.
Verify aFe 51-76301. Read all sixteen pages and figures A-K. Work on a cool engine and disconnect the negative battery terminal. Disconnect both MAF harnesses, loosen the original turbo-inlet adaptor clamps and unclip hoses from both airboxes. Remove one original T30 housing screw from each side. Lift each airbox from its mounts and release attached hoses. Remove both original air inlet pieces and reinstall them on their matching sides. Transfer original grommets to the new housings and fit the large filter clamps loosely. Seat the driver housing against its original air inlet and dome grommet, secure the coolant hose to that housing and insert its filter. Repeat housing and filter installation on the passenger side. Transfer each MAF to its matching tube using the four supplied screws. Fit both silicone couplings and their clamps loosely on the turbo inlet adaptors. Insert each tube into its filter first and then into its coupling, keeping tube logos facing upward and preserving sensor sides. Secure both housings with their original T30 screws. Align and tighten all clamps and screws, reconnect both MAF harnesses, and retighten after approximately 100 miles. No numeric torque is stated in the exact manual.
The exact manufacturer-authored shared 16-page manual explicitly names the selected dry part and two dry service filters; all text, complete bill and figures A-K were read and visually inspected. A standalone current dry product page was not located, so current oiled-page wording is not represented as a selected dry page. The manufacturer family flow chart explicitly separates dry PDS 515 CFM, oiled P5R 540 CFM and stock 500 CFM at 7 inches H2O. Dry versus stock is 3%, not the oiled 8% or older retailer 29% claim. This bench comparison does not establish road power gain. No selected dry dyno report was reviewed; the earlier oiled-sibling point gains, maxima and differing test conditions are not dry configuration certification. Original three retailer-positive year ranges and all native model memberships remain unchanged with chassis/market qualifications. Exact current dry media dimensions, window/cover revision and later body-style uniformity remain unestablished independently. The exact shared manual prohibits use on California-registered on-road and off-road vehicles; no exemption is claimed.
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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