This page lists 16 belt drive parts for the 2021 BMW X7, across 2 part types, covering both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The belt drive system on the 2021 BMW X7 spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. All 16 listed parts are Belt (13 parts) and Belt Tensioner (3 parts).
The 2021 BMW X7 was sold with both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
8 brands supply belt drive parts for the 2021 BMW X7, led by CONTINENTAL (5 parts), DAYCO (3 parts) and FVP (2 parts), plus 5 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW X7. 4 parts have it, including CONTINENTAL 470K6MK (Belt) and FVP 470K6 (Belt). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular Fits: 3.0L L6 Turbocharged | 470K6MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerMulti V-Belt | View on Amazon |
| FVP Popular Fits: 3.0L L6 Turbocharged | 470K6 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| DAYCO Fits: 4.4L V8 Turbocharged | 5070648DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| FVP Fits: 4.4L V8 Turbocharged | 650K7 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 4.4L V8 Turbocharged | 7K649 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| GATES Popular Fits: 4.4L V8 Turbocharged | K070649 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| BANDO Fits: 4.4L V8 Turbocharged | 7PK1645 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rib Quantity: 7 | View on Amazon |
| CONTINENTAL Fits: 3.0L L6 Turbocharged | 6PK1195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Metric LineSerpentine | View on Amazon |
| CONTINENTAL Fits: 3.0L L6 Turbocharged | 4060470 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| CONTINENTAL Fits: 4.4L V8 Turbocharged | 4070648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| DAYCO Fits: 3.0L L6 Turbocharged | A060470 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| DAYCO Fits: 4.4L V8 Turbocharged | 5070648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| GATES Fits: 3.0L L6 Turbocharged | K060470EST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | E-Start Micro-V | View on Amazon |
This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off.
13 Belt parts for the 2021 BMW X7 come from 6 brands — CONTINENTAL, DAYCO, FVP and 3 other brands. The "Popular" part is CONTINENTAL 470K6MK.
The Economy section lists 4 options from FVP, CONTINENTAL and DAYCO — the catalog's value-priced group. CONTINENTAL 470K6MK is listed in this group.
In the Standard Replacement grade, CONTINENTAL, GATES, DAYCO and 2 other brands supply 9 parts: built to original-equipment specification. A representative part number is ACDELCO 7K649.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 3.0L L6 Turbocharged | 49878 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-V | View on Amazon |
| ÜRO PARTS Fits: 4.4L V8 Turbocharged | 11287549873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Pulley | View on Amazon |
| VAICO Fits: 3.0L L6 Turbocharged | V204775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.
3 Belt Tensioner parts are listed for the 2021 BMW X7, from CONTINENTAL, ÜRO PARTS and VAICO.
Part numbers include CONTINENTAL 49878, ÜRO PARTS 11287549873 and VAICO V204775.
Buying Belt Drive Parts for a 2021 BMW X7
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Match the engine first. Every belt drive part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Belt and Belt Tensioner .
Frequently Asked Questions
How many belt drive parts fit the 2021 BMW X7?
Our catalog currently lists 16 belt drive parts for the 2021 BMW X7 across 2 subcategories and 8 brands, covering both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. Each part is matched to the engine(s) it fits.
Do belt drive parts differ between 2021 BMW X7 engines?
Yes. Every belt drive part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of belt drive problems on a 2021 BMW X7?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 BMW X7 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 BMW X7?
First match the engine — each row shows which engine(s) the part fits. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X7
Belt Drive Parts for Other BMW X7 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.