apremium coolant overflow reservoir with cap and sensor, BMW-compatible fitment for reliable cooling.
apremium reservoir close-up with cap and sensor, precise level monitoring for BMW engines.
apremium engine bay view of the reservoir, durable plastic construction for heat resistance.
apremium cap-included reservoir with sensor, easy install and secure cap fit.
apremium compatible with multiple BMW models, 3.0L to 4.8L engines, broad fitment.
apremium sturdy reservoir withstands heat and vibration, reducing fuel dilution.
apremium reservoir with cap and sensor for easy maintenance checks.
apremium one-year unlimited-mileage warranty offers peace of mind with reliable cooling.
apremium coolant overflow reservoir with cap and sensor, BMW-compatible fitment for reliable cooling.
apremium reservoir close-up with cap and sensor, precise level monitoring for BMW engines.
apremium engine bay view of the reservoir, durable plastic construction for heat resistance.
apremium cap-included reservoir with sensor, easy install and secure cap fit.
apremium compatible with multiple BMW models, 3.0L to 4.8L engines, broad fitment.
apremium sturdy reservoir withstands heat and vibration, reducing fuel dilution.
apremium reservoir with cap and sensor for easy maintenance checks.
apremium one-year unlimited-mileage warranty offers peace of mind with reliable cooling.

APremium Engine Coolant Overflow Reservoir with Cap & Sensor for BMW (Front) – Replace 17137542986

Premium Engine Coolant Overflow Reservoir for BMW — Cap & Sensor Included Upgrade your BMW’s cooling system...
Vendor: A-Premium
Availability: In stock
£90.05
£90.05
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apremium coolant overflow reservoir with cap and sensor, BMW-compatible fitment for reliable cooling.

APremium Engine Coolant Overflow Reservoir with Cap & Sensor for BMW (Front) – Replace 17137542986

£90.05
apremium coolant overflow reservoir with cap and sensor, BMW-compatible fitment for reliable cooling.
apremium reservoir close-up with cap and sensor, precise level monitoring for BMW engines.
apremium engine bay view of the reservoir, durable plastic construction for heat resistance.
apremium cap-included reservoir with sensor, easy install and secure cap fit.
apremium compatible with multiple BMW models, 3.0L to 4.8L engines, broad fitment.
apremium sturdy reservoir withstands heat and vibration, reducing fuel dilution.
apremium reservoir with cap and sensor for easy maintenance checks.
apremium one-year unlimited-mileage warranty offers peace of mind with reliable cooling.

APremium Engine Coolant Overflow Reservoir with Cap & Sensor for BMW (Front) – Replace 17137542986

£90.05
Description
Description
x

Premium Engine Coolant Overflow Reservoir for BMW — Cap & Sensor Included

Upgrade your BMW’s cooling system with APremium’s Engine Coolant Overflow Recovery Reservoir Tank. This direct-fit replacement is designed for petrol engines and arrives with a cap and sensor, all housed in a durable plastic body ready to handle heat and road exposure. It covers a broad range of BMW models from 525i to 650i, including front-fit variants, making it a convenient upgrade for mid-2000s to 2010 builds.

The part aligns with common references such as 603-351, 603351, 603 351, 17137542986, 17137519219, EPK0128, FRT1915C, FRT1906C, and Z49011. It is clearly identified as petrol-only, so please verify engine type before purchase to ensure a proper match for your vehicle family.

What’s Included

  • 1x Reservoir
  • 1x Cap
  • 1x Sensor

Key Specifications at a Glance

  • Cap included: Yes
  • Cap maximum pressure rating: 22 PSI
  • Sensor included: Yes
  • Materials: Plastic
  • Mounting hole quantity: 1
  • Product contents: 1x Reservoir, 1x Cap, 1x Sensor
  • Fitment: Petrol-only

Designed for Real-World Use

Built to withstand heat and engine vibrations, this reservoir supports consistent coolant management while delivering dependable sensor readings. The included cap helps ensure a secure seal, contributing to leak prevention on both urban commutes and longer highway drives. Its compact design accommodates tight engine bays, making installation more straightforward for DIY enthusiasts and professionals alike.

Potential Benefits You May Notice

  • Real-time coolant level sensing for informed maintenance between checks
  • Rugged plastic construction engineered to endure heat and vibration
  • Complete cap-and-sensor package for a turnkey replacement
  • Wide BMW compatibility within petrol-powered models

Why Buy from APremium

APremium backs this reservoir with a one-year unlimited-mileage guarantee, underscoring a commitment to quality and road-ready reliability. A broad catalog of automotive accessories is available to support ongoing maintenance and keep your BMW performing as designed.

FAQ

Q: Is this APremium coolant reservoir compatible with my BMW model?

A: Yes. It fits BMW 525i through 550i series listed in the description, petrol engines only.

Q: What’s included and what are the key specs?

A: Includes reservoir, cap, and sensor; cap max pressure 22 PSI; plastic construction; 1 mounting hole; petrol-only fitment.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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