17 13 8 677 649 Coolant Expansion Tank for BMW
Product: Coolant Expansion Tank
Primary OE: 17 13 8 677 649
Item code: BM01015-025
Cross-reference numbers:
17 13 8 677 649
Brand: BMW
Application reference: BMW OE-reference application; confirm by VIN and removed-part comparison.
Inspection focus: cap neck, hose ports, level-sensor provision, mounting tabs and shell seams
Supply note: Confirm whether the order requires individual boxes or bulk protective packing.
17 13 8 677 649 provides a catalogue reference for replacement-tank procurement. This BMW record identifies SKU BM01015025 by OE evidence. Buyers can therefore separate 17138677649 from similar-looking reservoirs.
Use the VIN, production date and original moulded number as the primary approval evidence. For 17138677649, no unverified model is published. The blank model filter protects SKU BM01015025 from unsupported fitment claims.
Product Technical Specifications
| Product type | Coolant Expansion Tank |
|---|---|
| Primary OE reference | 17 13 8 677 649 |
| Internal item code | BM01015-025 |
| Vehicle brand | BMW |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 17 13 8 677 649 |
Incoming Inspection Priorities
Inspect 17138677649 before transferring service hardware.
Reject SKU BM01015025 if ports, seams or brackets are damaged.
Keep 17138677649 sealed against workshop dust before installation.
During BM01015025 replacement, bleed the cooling circuit correctly and inspect every joint at operating temperature.
If coolant staining, pressure loss, brittle plastic or recurring low-level warnings continues, test the circuit around 17138677649.
OE Reference Approval
Begin 17138677649 verification with the complete OE reference.
Compare SKU BM01015025 against the original BMW reservoir.
For 17138677649, record VIN, production date and catalogue conditions.
Cross references can locate BM01015025; they cannot guarantee interchange.
The model field for 17138677649 stays blank without dependable evidence.
Distributor Inventory Support
Use 17138677649 as the principal purchasing reference.
Pair 17138677649 with internal item code BM01015025.
For SKU BM01015025, state quantity, destination and label requirements.
Yongshang Auto can review 17138677649 samples and export cartons.
BMW distributors may request BM01015025 packing confirmation before shipment.
Why Reservoir Integrity Matters
OE 17138677649 identifies a coolant expansion tank for the BMW engine cooling circuit.
Inside that circuit, 17138677649 provides reserve volume for thermal expansion and returns coolant as the system cools.
SKU BM01015025 must keep coolant available without external leakage.
After installing 17138677649, observe level stability and connection dryness.
Connection Layout Before Installation
Place 17138677649 beside the removed tank before installation.
On SKU BM01015025, compare cap neck, hose ports, level-sensor provision, mounting tabs and shell seams.
Every 17138677649 connection should align without body stress.
Review 3 square images showing SKU BM01015025 from available angles.
Final approval of 17138677649 still requires physical measurement.
Common Procurement Questions
What role does 17 13 8 677 649 perform in a BMW vehicle?
OE 17138677649 identifies the coolant expansion tank. In the BMW system, 17138677649 provides reserve volume for thermal expansion and returns coolant as the system cools.
What should an importer check before ordering 17 13 8 677 649?
Approve 17138677649 with VIN and production data. Match SKU BM01015025 directly against the removed tank. Regional changes can alter 17138677649 connection geometry.
Which openings should be reviewed on 17 13 8 677 649?
On 17138677649, examine cap neck, hose ports, level-sensor provision, mounting tabs and shell seams. Use the BM01015025 gallery for orientation. Confirm 17138677649 dimensions on the vehicle.
Which service signs are relevant to 17 13 8 677 649?
Inspect 17138677649 when the vehicle shows coolant staining, pressure loss, brittle plastic or recurring low-level warnings. During BM01015025 diagnosis, test nearby hoses, seals and sensors. Do not treat 17138677649 as the only possible cause.
How does a buyer begin procurement of 17 13 8 677 649?
Request 17138677649 pricing with item code BM01015025. Add quantity, destination and packaging instructions. Send original-part evidence when 17138677649 needs application review.
Arrange Sample Review for 17 13 8 677 649
Send 17138677649 quantity and destination to Yongshang Auto. Identify the request with SKU BM01015025. Add packing details and original-part evidence when 17138677649 needs application review.
Buyer verification note: 17138677649 identifies the reference, not guaranteed fitment. Confirm SKU BM01015025 through VIN, chassis and removed-part comparison.






