11511721872 Automotive Water Pump for BMW Z3
Product: Automotive Water Pump
Primary OE: 11511721872
Item code: BM01017-011
Cross-reference numbers:
11511721872
11510393338
11511727468
11511734595
11511734602
11511757468
11511172468
11511172872
11511173595
11511173602
Brand: BMW
Model: Z3
Application reference: BMW OE-reference cooling-system application; confirm by VIN and removed-part comparison.
Inspection focus: housing profile, mounting flange, impeller or drive interface, ports, gasket face and connector where fitted
Supply note: Use the OE reference and SKU on all purchase documents.
11511721872 is intended for sample approval and wholesale ordering. This BMW Z3 record identifies SKU BM01017011 through OE evidence. Buyers can therefore separate 11511721872 from similar-looking pumps.
Application approval for 11511721872 should combine the parts catalogue, VIN and removed component. The workbook provides Z3 as a model reference, but SKU BM01017011 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 11511721872 |
| Internal item code | BM01017-011 |
| Vehicle brand | BMW |
| Model filter | Z3 |
| Cross-reference numbers | 11511721872 / 11510393338 / 11511727468 / 11511734595 / 11511734602 / 11511757468 / 11511172468 / 11511172872 / 11511173595 / 11511173602 |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Housing and Mounting Comparison
The practical comparison for BM01017011 includes fastener positions, hose connections and installed clearance. Match all visible features of 11511721872 before transferring any hardware.
Review the 3 square BM01017011 views for connector, pulley and casing orientation. Final acceptance of 11511721872 should include a ruler or fixture check against the old pump.
OE Number and Vehicle Verification
Validate 11511721872 using the BMW VIN catalogue, not a generic model-year list. Compare BM01017011 with the original component before installation approval.
Fitment review for 11511721872 should combine BMW vehicle data with a side-by-side inspection of BM01017011. Record the VIN, engine specification and original pump marking.
The workbook names Z3 as an application clue for 11511721872; vehicle-specific catalogue evidence still governs the final match.
Water Pump Function in the Cooling Circuit
The undefined cooling loop depends on 11511721872 to maintain coolant movement. A correctly matched pump supports heat transfer during idle, acceleration and steady-speed driving.
Heat rejection on the undefined platform requires a sound water pump. Reference 11511721872 directs coolant around the circuit so absorbed heat can be released at the radiator.
International Order Preparation
A complete request for BM01017011 includes 11511721872, quantity, packing format and delivery destination. Buyers may submit the removed BMW pump images for a technical cross-check.
Begin the commercial check with 11511721872 and BM01017011. Yongshang Auto can discuss BMW sample inspection, export cartons and mixed cooling-system orders.
Installation Quality-Control Priorities
Before fitting 11511721872, flush contaminated coolant and inspect belts, pulleys and hoses. After BM01017011 is installed, check for leakage at both cold and operating temperature.
Keep BM01017011 clean and capped until installation. Fit 11511721872 with the specified seal, torque pattern and coolant procedure, then bleed trapped air from the system.
Common Procurement Questions
What does 11511721872 do in the cooling system?
OE 11511721872 identifies an engine water pump. In the BMW Z3 cooling circuit, 11511721872 circulates coolant between heat-generating and heat-rejecting components.
What comparison should be completed for 11511721872?
Approve 11511721872 with VIN and catalogue data. Match SKU BM01017011 against the removed pump. Production changes can alter 11511721872 mounting or drive details.
Which physical details should match on 11511721872?
Compare the 11511721872 housing, flange, ports, hub or pulley, impeller side and sealing face. Use the BM01017011 gallery for orientation. Measure 11511721872 before installation.
Which service signs are relevant to 11511721872?
Inspect 11511721872 after coolant leakage, bearing noise, overheating or unstable circulation. During BM01017011 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 11511721872 is the only cause.
What is required for an export enquiry on 11511721872?
Request 11511721872 pricing with item code BM01017011. Add quantity, destination and packaging instructions. Send original-part evidence when 11511721872 needs application review.
Begin B2B Sourcing of 11511721872
Send 11511721872 quantity and destination to Yongshang Auto. Identify the request with SKU BM01017011. Add packing details and original-pump evidence when 11511721872 needs application review.
Vehicle check: 11511721872 identifies the reference, not guaranteed fitment. Confirm SKU BM01017011 through VIN, engine data and removed-pump comparison.






