The 2021 BMW 530E has 10 belt drive parts with verified fitment on this page — 2 part types and 6 brands, covering the 2.0L L4 ELECTRIC/GAS Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2021 BMW 530E, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. All 10 listed parts are Belt (9 parts) and Belt Tensioner (1 part).
The 2021 BMW 530E came with a single engine, the 2.0L L4 ELECTRIC/GAS Turbocharged, and every part is verified against it.
6 brands supply belt drive parts for the 2021 BMW 530E, led by ULTRA-POWER (3 parts), DAYCO (2 parts) and CONTINENTAL (2 parts), plus 3 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW 530E. 2 parts have it, including ULTRA-POWER 455K6 (Belt) and DAYCO 5040382 (Belt). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 455K6 | 🇺🇸 US 🇨🇦 CA | Multi-V | View on Amazon |
| DAYCO | 5040382DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| GATES | K040382 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| ROADMAX | 4K382AP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | V-RibbedSerpentine | View on Amazon |
| ULTRA-POWER | K060455 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 5040382 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| ACDELCO | 4K382 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| CONTINENTAL | 4030381 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| CONTINENTAL | 3PK960 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Metric LineSerpentine | 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.
9 Belt parts for the 2021 BMW 530E come from 6 brands — ULTRA-POWER, DAYCO, CONTINENTAL and 3 other brands. The "Popular" part is ULTRA-POWER 455K6.
The Economy section lists 5 options from ULTRA-POWER, DAYCO, GATES and 1 other brand — the catalog's value-priced group. ULTRA-POWER 455K6 is listed in this group.
In the Standard Replacement grade, CONTINENTAL, DAYCO and ACDELCO supply 4 parts: built to original-equipment specification. A representative part number is DAYCO 5040382.
This group includes ULTRA-POWER 455K6, DAYCO 5040382DR and GATES K040382 and the remaining parts above.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | 39381 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2021 BMW 530E — ULTRA-POWER 39381.
Buying Belt Drive Parts for a 2021 BMW 530E
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 2.0L L4 ELECTRIC/GAS Turbocharged engine — every part on this page is matched to it.
- 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 530E?
Our catalog currently lists 10 belt drive parts for the 2021 BMW 530E across 2 subcategories and 6 brands, covering the 2.0L L4 ELECTRIC/GAS Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2021 BMW 530E?
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 530E 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 530E?
Every part on this page is matched to the 2.0L L4 ELECTRIC/GAS Turbocharged engine. 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 530E
Belt Drive Parts for Other BMW 530E 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.