Serpentine Belt for BMW X5: Carbon Steel
This serpentine belt for the BMW X5 is specified around carbon steel, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is documentation that arrived after the container shipped, or packing that arrived crushed at the port. Both are specification problems, and both are preventable.
Specification
| Product | Serpentine Belt |
|---|---|
| Vehicle application | BMW X5 |
| Material / finish | Carbon Steel |
| Typical use | Wet Weather Riding |
| MOQ | 500 pieces per specification |
| Sampling | 7 working days, 3 days per revision |
| Bulk lead time | 15-40 days after approval |
| Compliance | REACH |
| Packing | 50 pieces per inner box, 500 per carton |
Material options
- Ceramic Composite — preferred when weight matters more than rigidity
- PU Leather — used when the finish has to hold a coating
- Zinc Plated Steel — chosen where wear resistance comes first
- ABS Plastic — selected when the part is exposed to weather and road salt
- Anodised Aluminium — selected when the part is exposed to weather and road salt
Processes available
- powder coating
- anodising
- injection moulding
- robot welding
- precision stamping
- laser cutting
Fitment notes
Confirm the fitment against the VIN or the frame number before ordering; two model years often share a name and not a part.
Where it is used
The specification above is the one most often ordered for wet weather riding. Related applications include security patrols, farm use, construction sites, night riding, heavy load hauling.
Quality and packing
- In-line inspection with AQL 1.5 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
Questions buyers ask
What happens if a lot fails inspection?
The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.
What is the minimum order quantity?
The standard MOQ is 500 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.
Can you match an existing sample?
Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.
How long does sampling take?
Samples leave the factory in 7 working days, and each revision round adds about 3 days once you have seen the first piece.
Send the specification you are working to and we will confirm what we can match, what we would change and why.
