Connecting Rod for BMW 3 Series: Reinforced Nylon
This connecting rod for the BMW 3 Series is specified around reinforced nylon, 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 lead time that slipped twice before bulk started. Both are specification problems, and both are preventable.

Specification
| Product | Connecting Rod |
|---|---|
| Vehicle application | BMW 3 Series |
| Material / finish | Reinforced Nylon |
| Typical use | Mountain Roads |
| MOQ | 200 pieces per specification |
| Sampling | 10 working days, 3 days per revision |
| Bulk lead time | 20-55 days after approval |
| Compliance | ISO 9001 |
| Packing | 10 pieces per inner box, 200 per carton |
Material options
- Carbon Steel — specified where the part sits close to a heat source
- Natural Rubber — the cost-effective default for volume programmes
- Neoprene — specified where the part sits close to a heat source
- Ceramic Composite — the cost-effective default for volume programmes
- Anodised Aluminium — chosen where wear resistance comes first

Processes available
- sintering
- rubber vulcanisation
- CNC machining
- die casting
- electroplating
- injection moulding
Fitment notes
Keep the old part until the new one is on the bench. Comparing them side by side settles questions a photograph never will.
Where it is used
The specification above is the one most often ordered for mountain roads. Related applications include night riding, ride-hailing fleets, food delivery, mining sites, heavy load hauling.
Quality and packing
- In-line inspection with AQL 2.5 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
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 3 days once you have seen the first piece.
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.
Can the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the ISO 9001-compliant build instead of a fresh interpretation.
Tell us the model, the fitment and the quantity and we will hold a production slot for you.







