As an Amazon Associate I earn from qualifying purchases.Updated: March 27, 2026
The Water Filter in your Breville Bambino BES450 is essential for removing impurities from the water used during brewing. Over time, the filter media becomes saturated and less effective. Replacing it every 6 months ensures your espresso tastes its best and prevents mineral buildup that can damage the machine.
$15.99
Price from Amazon • As an Amazon Associate I earn from qualifying purchases.
Function: Removes impurities and chlorine from water used for brewing, improving taste and protecting the machine from mineral buildup.
Signs it needs replacing: Reduced water flow, slower brewing times, or a change in the taste of your espresso.
OEM vs aftermarket: OEM filters are designed specifically for Breville machines, offering guaranteed performance. Aftermarket options can be more affordable but may vary in quality and effectiveness.
Installation: Generally straightforward. Simply remove the old filter and insert the new one according to the instructions provided with the replacement part.
Replacement schedule: every 6 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 6 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement part is for Breville Bambino BES450 owners who are noticing a decline in their espresso machine's performance, such as slower brewing times or changes in taste.
Not ideal for: If your Breville Bambino BES450 is experiencing multiple malfunctions or has reached the end of its lifespan, it may be more cost-effective to purchase a new espresso machine.
Good to Know Before Buying
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Always confirm your exact model number (BES450) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Breville Bambino BES450 Water Filter?
The part number is BWF100. Always verify this matches your exact model (BES450) before ordering, as similar models may use different parts.
How often should I replace the Water Filter on my Breville Bambino BES450?
every 6 months
Will aftermarket Water Filter replacements work in my Breville Bambino BES450?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model BES450 and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.