Mini Cooper Coolant Expansion Tank 2002-2008 1.6L L4 Replace 17137529273 | BDFHYK

Regular price $29.99
Product Detail
  • Type Coolant Reservoir
  • SKU BDDLZ-BD-05-21-00064WT-000-W
  • OE Number 17137529273, 17107515499, 603-331
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BDFHYK 603-331 Mini Cooper Coolant Reservoir Quick Answer

If your Mini Cooper coolant reservoir is cracked, leaking, yellowed, brittle, overflowing, or no longer holding coolant properly, this BDFHYK OE-style aftermarket coolant reservoir is a replacement option for selected Mini Cooper 2002-2008 1.6L L4 applications. Before ordering, compare 17137529273, 17107515499, 603-331, EPT0016, and FRT1103C with your original part, then check the tank shape, hose port layout, mounting points, cap area, and any sensor connection on your original reservoir.

BDFHYK 17137529273 Mini Cooper Coolant Reservoir Overview

This BDFHYK coolant reservoir is used in the engine cooling system as the expansion reservoir and overflow tank for selected Mini Cooper vehicles. When the original reservoir is damaged, coolant may escape around the tank body, seam, hose connection, or cap area. Replacing the confirmed faulty coolant reservoir can restore a proper reservoir body for the cooling system, but diagnosis should confirm that the reservoir is the actual repair target before parts are replaced.

  • Brand: BDFHYK
  • SKU: BDDLZ-BD-05-21-00064WT-000-W
  • Product type: Coolant Reservoir
  • OE / interchange numbers: 17137529273, 17107515499, 603-331, EPT0016, FRT1103C
  • Material listed in current product data: PP material
  • Application: Selected Mini Cooper 2002-2008 1.6L L4 applications
  • Replacement type: OE-style aftermarket replacement, not a Genuine OEM Mini part

Mini Cooper 2002-2008 Coolant Reservoir Fitment Check

This coolant reservoir is listed for selected Mini Cooper 2002-2008 1.6L L4 applications. Use this table as a starting point, then verify your vehicle year, engine, OE number, original reservoir design, and connection layout before ordering.

Year Make Model Engine Part Numbers to Compare
2002-2008 Mini Cooper 1.6L L4 17137529273, 17107515499, 603-331, EPT0016, FRT1103C

Mini Cooper Coolant Reservoir Leak and Failure Symptoms

From a buyer perspective, this part matters when the original Mini Cooper coolant reservoir is the confirmed source of coolant loss or visible damage. The symptoms below may point toward the reservoir, but they can also involve other cooling system parts.

User Symptom What This Product May Help With Other Parts to Check
Coolant spots near the reservoir May help when the coolant reservoir body, seam, or hose connection is leaking. Hoses, clamps, radiator cap, reservoir cap, thermostat housing
Cracked, yellowed, or brittle tank May be the right replacement if the original reservoir is visibly aged, split, or damaged. Mounting tabs, hose nipples, cap area, nearby hose routing
Coolant reservoir empty after driving May help if the reservoir cannot hold coolant, but an empty tank can also come from other leaks. Radiator, water pump, hoses, thermostat housing, trapped air
Mini Cooper coolant reservoir bubbling The reservoir should be inspected, but bubbling may also point to trapped air, pressure, overheating, or cap issues. Radiator cap, reservoir cap, thermostat, cooling fan, water pump
Coolant smell near the engine bay May help if coolant residue is found around the coolant reservoir or its hose connections. Hoses, clamps, radiator, heater lines, nearby seals
Coolant overflow or repeated level drop May help when the tank is cracked or leaking, but pressure and airflow issues should also be diagnosed. Cap condition, trapped air, thermostat, radiator, fan operation

Who This 603-331 Mini Cooper Coolant Reservoir Is For

  • Mini Cooper owners who found a cracked, leaking, brittle, or stained original coolant reservoir during inspection.
  • DIY repair users comparing OE numbers before replacing an aged Mini Cooper coolant reservoir.
  • Repair shops servicing coolant loss, overflow tank damage, or cooling system maintenance on listed Mini Cooper applications.
  • Buyers using interchange numbers who need a reservoir connected to 17137529273, 17107515499, 603-331, EPT0016, or FRT1103C.

Where the 17107515499 Mini Cooper Coolant Reservoir Is Used

The coolant reservoir is part of the vehicle cooling system. As coolant expands when the engine heats up, the reservoir provides a controlled area for overflow and recovery. When the engine cools, coolant can return as the system requires. On the listed Mini Cooper applications, the replacement coolant reservoir should match the original tank shape and connection layout before installation.

What Comes With This BDFHYK Mini Cooper Coolant Reservoir

This listing is for one BDFHYK engine coolant reservoir / expansion reservoir / overflow tank replacement for the listed Mini Cooper applications. Current Shopify product data does not clearly confirm separate hoses, clamps, coolant, tools, a sensor, or a standalone cap. Review the product images and compare your original reservoir before installation.

Compare This Mini Cooper 603-331 Coolant Reservoir Before You Buy

Check Before Ordering Why It Matters
OE / interchange number Compare 17137529273, 17107515499, 603-331, EPT0016, and FRT1103C with your original reservoir or fitment reference.
Vehicle year and engine This product is listed for selected Mini Cooper 2002-2008 1.6L L4 applications.
Tank shape The replacement coolant reservoir should match the original tank shape and mounting design.
Hose port layout Incorrect hose port position can prevent proper hose routing or installation.
Mounting tabs Broken or mismatched mounting tabs can affect installation and tank position.
Cap and sensor configuration Current product data does not clearly confirm cap or sensor details. Compare your original tank and product images.

Mini Cooper Coolant Reservoir Installation Notes

  • Let the engine cool completely before working around the radiator, hoses, or coolant reservoir.
  • Do not remove a hot radiator cap or coolant reservoir cap if the cooling system may be pressurized.
  • Compare the original coolant reservoir with this replacement before installation, including OE number, tank shape, hose ports, mounting points, cap area, and sensor connection if present.
  • Drain or recover coolant as required by the vehicle service procedure and local handling rules.
  • Use the coolant type and mixture specified for the vehicle.
  • After installation, refill the cooling system and bleed trapped air where the Mini service procedure requires it.
  • Inspect hoses, clamps, radiator cap, reservoir cap, radiator, thermostat, cooling fan operation, and water pump area during the repair.
  • If the old reservoir failed because of pressure or overheating, diagnose the root cause before installing the new coolant reservoir.
  • If the leak source is uncertain, a cooling system pressure test can help confirm whether the reservoir is the correct repair target.

BDFHYK Mini Cooper Coolant Reservoir OE-Style Replacement Notice

This BDFHYK coolant reservoir is an OE-style aftermarket replacement option for selected Mini Cooper applications. It is not described as Genuine OEM, Official OEM, or factory original. Verify fitment, compare OE numbers, and inspect your original coolant reservoir before ordering.