Car Battery for BMW X5: Semi-Metallic Compound
This car battery for the BMW X5 is specified around semi-metallic compound, 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 premature wear on the first batch. Both are specification problems, and both are preventable.

Specification
| Product | Car Battery |
|---|---|
| Vehicle application | BMW X5 |
| Material / finish | Semi-Metallic Compound |
| Typical use | Weekend Riding |
| MOQ | 500 pieces per specification |
| Sampling | 14 working days, 3 days per revision |
| Bulk lead time | 15-40 days after approval |
| Compliance | E-mark |
| Packing | 10 pieces per inner box, 500 per carton |
Material options
- High Density Foam — selected when the part is exposed to weather and road salt
- Magnesium Alloy — selected when the part is exposed to weather and road salt
- Stainless Steel — specified where the part sits close to a heat source
- Reinforced Nylon — preferred when weight matters more than rigidity
- Semi-Metallic Compound — chosen where wear resistance comes first

Processes available
- injection moulding
- powder coating
- shot blasting
- ultrasonic cleaning
- heat treatment
- sintering
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 weekend riding. Related applications include farm use, heavy load hauling, rural transport, construction sites, motocross.
Quality and packing
- In-line inspection with AQL 4.0 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.
How long does sampling take?
Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.
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 the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the E-mark-compliant build instead of a fresh interpretation.
Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.







