Serpentine Belt for BMW 3 Series: Neoprene
This serpentine belt for the BMW 3 Series is specified around neoprene, 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 a fitment that looked right on paper and failed on the bench, or documentation that arrived after the container shipped. Both are specification problems, and both are preventable.
Specification
| Product | Serpentine Belt |
|---|---|
| Vehicle application | BMW 3 Series |
| Material / finish | Neoprene |
| Typical use | Weekend Riding |
| MOQ | 3,000 pieces per specification |
| Sampling | 10 working days, 5 days per revision |
| Bulk lead time | 25-55 days after approval |
| Compliance | SGS |
| Packing | 50 pieces per inner box, 200 per carton |
Material options
- Forged Aluminium — specified where the part sits close to a heat source
- Nylon 66 — preferred when weight matters more than rigidity
- Natural Rubber — preferred when weight matters more than rigidity
- Magnesium Alloy — chosen where wear resistance comes first
- Polypropylene — specified where the part sits close to a heat source
Processes available
- sintering
- surface grinding
- shot blasting
- anodising
- injection moulding
- electroplating
Fitment notes
Check whether the mounting points on your market version match the catalogue drawing — regional variants are the usual cause of a wrong first order.
Where it is used
The specification above is the one most often ordered for weekend riding. Related applications include airport ground fleets, passenger transport, long-distance touring, roadside assistance, urban courier work.
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
Do you handle mixed containers?
Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 3000 pieces per line.
What is the minimum order quantity?
The standard MOQ is 3000 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.
How is packing specified?
Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.
How long does sampling take?
Samples leave the factory in 10 working days, and each revision round adds about 5 days once you have seen the first piece.
Ask for the current catalogue and the specification sheet for this line.
