10 Belt drive parts are listed for the 2021 BMW 330E, in 1 part type, covering the 2.0L L4 ELECTRIC/GAS Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 BMW 330E, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. Every listed part is a Belt.
The 2021 BMW 330E came with a single engine, the 2.0L L4 ELECTRIC/GAS Turbocharged, and every part is verified against it.
7 brands supply belt drive parts for the 2021 BMW 330E, led by ULTRA-POWER (2 parts), CONTINENTAL (2 parts) and DAYCO (2 parts), plus 4 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 330E. 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 |
| CONTINENTAL | 382K4MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
| DAYCO | 5040382DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| FVP | 382K4 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | 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 | 4040382 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | 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.
10 Belt parts for the 2021 BMW 330E come from 7 brands — ULTRA-POWER, CONTINENTAL, DAYCO and 4 other brands. The "Popular" part is ULTRA-POWER 455K6.
The Economy section lists 7 options from ULTRA-POWER, CONTINENTAL, DAYCO and 3 other brands — the catalog's value-priced group. ULTRA-POWER 455K6 is listed in this group.
In the Standard Replacement grade, DAYCO, ACDELCO and CONTINENTAL supply 3 parts: built to original-equipment specification. A representative part number is DAYCO 5040382.
Buying Belt Drive Parts for a 2021 BMW 330E
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 .
Frequently Asked Questions
How many belt drive parts fit the 2021 BMW 330E?
Our catalog currently lists 10 belt drive parts for the 2021 BMW 330E across 1 subcategory and 7 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 330E?
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 330E 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 330E?
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 330E
Belt Drive Parts for Other BMW 330E Years
Switch vehicle or jump to a subcategory
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.