Relay for BMW X5: Ceramic Composite
This relay for the BMW X5 is specified around ceramic composite, 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 premature wear on the first batch, or a specification nobody had written down. Both are specification problems, and both are preventable.

Specification
| Product | Relay |
|---|---|
| Vehicle application | BMW X5 |
| Material / finish | Ceramic Composite |
| Typical use | Track Days |
| MOQ | 200 pieces per specification |
| Sampling | 10 working days, 5 days per revision |
| Bulk lead time | 20-40 days after approval |
| Compliance | DOT |
| Packing | 100 pieces per inner box, 1000 per carton |
Material options
- Aluminium Alloy — specified where the part sits close to a heat source
- Sintered Metal — specified where the part sits close to a heat source
- Magnesium Alloy — selected when the part is exposed to weather and road salt
- Chromed Steel — used when the finish has to hold a coating
- PU Leather — used when the finish has to hold a coating

Processes available
- assembly line testing
- surface grinding
- shot blasting
- sintering
- heat treatment
- rubber vulcanisation
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 track days. Related applications include mining sites, motocross, delivery fleets, adventure travel, rental fleets.
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 is the minimum order quantity?
The standard MOQ is 200 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.
What testing is included?
Standard lots ship with dimensional and hardness reports. DOT 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.
Send the specification you are working to and we will confirm what we can match, what we would change and why.







