Resonator Pipe for BMW 3 Series: Aluminium Alloy
This resonator pipe for the BMW 3 Series is specified around aluminium alloy, 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 warranty claims traced back to a single lot, or documentation that arrived after the container shipped. Both are specification problems, and both are preventable.

Specification
| Product | Resonator Pipe |
|---|---|
| Vehicle application | BMW 3 Series |
| Material / finish | Aluminium Alloy |
| Typical use | Farm Use |
| MOQ | 500 pieces per specification |
| Sampling | 14 working days, 5 days per revision |
| Bulk lead time | 20-40 days after approval |
| Compliance | IATF 16949 |
| Packing | 50 pieces per inner box, 500 per carton |
Material options
- Silicone — the cost-effective default for volume programmes
- EPDM Rubber — chosen where wear resistance comes first
- Forged Aluminium — specified where the part sits close to a heat source
- Magnesium Alloy — chosen where wear resistance comes first
- Reinforced Nylon — preferred when weight matters more than rigidity
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Processes available
- ultrasonic cleaning
- assembly line testing
- cold forging
- precision stamping
- shot blasting
- robot welding
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 farm use. Related applications include daily commuting, mining sites, night riding, airport ground fleets, long-distance touring.
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
What testing is included?
Standard lots ship with dimensional and hardness reports. IATF 16949 documentation is issued with the shipment when your market requires it.
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 is packing specified?
Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.
Do you handle mixed containers?
Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 500 pieces per line.
Send the specification you are working to and we will confirm what we can match, what we would change and why.







