Baratza M2 Burr: The Upgrade That Turns an Encore Into a Virtuoso

I was about to sell my Baratza Encore and buy a Virtuoso when a friend told me to stop. "Just buy the M2 burrs," he said. "It's the same grinder inside." He was right. For $35 and 10 minutes of work, I upgraded my Encore to produce grind quality nearly identical to the Virtuoso+. That was two years ago, and it remains one of the best $35 I've spent on coffee gear.

The Baratza M2 burr is the 40mm conical steel burr set used in the Virtuoso and Virtuoso+. It's also sold as a standalone upgrade part that fits directly into the Encore. If you own an Encore and have been eyeing the Virtuoso, this is the first thing you should consider. Here's everything you need to know.

What Are the M2 Burrs?

The M2 is Baratza's designation for their upgraded conical burr set. The name comes from Baratza's internal parts numbering system. Compared to the stock Encore burrs (sometimes called the M3 set, though Baratza doesn't officially use that label), the M2 burrs have a different cutting geometry with sharper, more precisely machined edges.

M2 vs. Stock Encore Burrs

The stock Encore burrs are good. They produce a consistent enough grind for drip, pour-over, and French press that satisfies most home brewers. But side by side with the M2 set, the difference is visible.

I ground the same beans at the same setting on my Encore before and after the swap and spread the results on white paper. The M2 grounds were noticeably more uniform. Fewer fines (the dust-like particles that over-extract and add bitterness) and fewer boulders (the oversized particles that under-extract and add sourness). The result in the cup was cleaner, sweeter, and more balanced.

The improvement is most noticeable in the medium range (settings 12 to 28), which covers pour-over, drip, and AeroPress. At the coarse end (French press), the difference is smaller. At the fine end, the M2 offers a slight improvement, but neither burr set is suitable for espresso.

How to Install the M2 Burrs

The installation is simple enough that anyone with two hands and basic patience can do it. No tools required.

Step-by-Step

1. Unplug the grinder and remove the hopper.
2. Lift the rubber ring gasket off the top of the burr chamber.
3. Grab the outer ring of the upper burr and pull straight up. It lifts out with a slight twist. This is the part you're replacing.
4. Set the new M2 upper burr into the same position. The three tabs on the burr align with three slots in the grinder housing. Push down until it clicks into place.
5. Replace the rubber gasket and hopper.
6. Run about 10 grams of beans through the grinder to seat the new burrs.

The whole process takes under 10 minutes, including the time to open the packaging. The lower burr (attached to the motor shaft) stays in place. You're only replacing the upper, stationary burr.

Compatibility

The M2 burr fits the following Baratza grinders: Encore, Encore ESP, Virtuoso, Virtuoso+. If you have an older Baratza Maestro or Preciso, check Baratza's parts page for compatibility since those models use different burr housings. Our best coffee grinder roundup covers the full Baratza lineup if you're comparing models.

Performance After the Upgrade

I've been using the M2 burrs in my Encore for over two years of daily grinding. Here's what I've observed.

Pour-Over

This is where the M2 upgrade shines brightest. My V60 brews went from good to genuinely great. Drawdown times became more consistent (I went from a 30-second variance to about a 10-second variance between brews at the same setting). The cup clarity improved noticeably. Individual flavor notes pop more, especially with lighter roasts where extraction precision matters most.

Drip Coffee

A solid improvement, though less dramatic than pour-over. My auto-drip machine produces a cleaner, less muddy cup with the M2 grounds. The reduction in fines means less over-extraction and less bitterness in the finished pot.

French Press

Marginal improvement. At the coarser settings, both burr sets produce some fines that slip through the mesh filter. The M2 produces slightly fewer, but you'll still get some silt in the bottom of your cup. If French press is your only brew method, the M2 upgrade is nice but not transformational.

AeroPress

Good results. The AeroPress is forgiving of grind variation, but the M2's improved consistency at medium-fine settings produces a slightly smoother, more balanced cup. The paper filter catches most of the fines either way, so the improvement is subtle.

M2 Burrs vs. Buying a Virtuoso

This is the real question. Should you spend $35 on M2 burrs for your Encore, or $180 to $250 on a new Virtuoso or Virtuoso+?

What the M2 Upgrade Gets You

Grind quality that's 90% to 95% of the Virtuoso+. The burrs are literally the same part. The small remaining gap comes from the Virtuoso's slightly more powerful motor (which runs at a more consistent speed under load), but for most home use, this difference is negligible.

What You Don't Get

The Virtuoso+ has a digital timer display that lets you set grind time in 0.1-second increments. The Encore has a simple on/off button. If repeatable timed dosing matters to you, the Virtuoso+ offers that convenience. You also don't get the Virtuoso's motor, which handles dense, light-roasted beans slightly better than the Encore's motor.

My Recommendation

If your Encore is working fine mechanically, buy the M2 burrs. Spend the $150+ you save on better beans, a good kettle, or a quality scale. If your Encore is dying and you need a new grinder anyway, buy the Virtuoso+. Don't buy a Virtuoso+ solely for better grind quality if your Encore is in good shape, because for $35, you can close most of that gap. For more options in this range, see our top coffee grinder list.

Burr Break-In Period

New burrs need a break-in period. During the first 5 to 10 pounds of coffee (roughly 2 to 4 weeks of daily use), the M2 burrs will produce slightly more fines than they will after breaking in. The cutting edges need to seat and the microscopic rough spots need to smooth out.

Don't panic if your first week of brews seems inconsistent. By the third or fourth week, the burrs settle in and you'll notice a clear improvement in uniformity. I ran about 3 pounds of a cheap supermarket bean through mine before switching to my good stuff, just to burn through the break-in period without wasting expensive coffee.

Longevity and Replacement

How Long Do M2 Burrs Last?

Baratza estimates 500 to 750 pounds of coffee per set. At 20 grams per day, that's roughly 10 to 15 years. If you grind more (say, for a household of four), cut that down to 5 to 8 years. Either way, you'll get thousands of dollars worth of good coffee from a $35 burr set.

Signs Your Burrs Need Replacing

The grind becomes noticeably less uniform over time. You might find yourself grinding finer and finer to maintain the same extraction level. Brews that used to be clean start tasting muddy or flat. If you've been using the same burrs for 8+ years and notice a decline, it's probably time.

Ordering Replacements

Buy directly from Baratza's website. The part number is the "Encore/Virtuoso Cone Burr" and it costs about $35. They ship quickly and include simple installation instructions, though you already know the process if you've done it once.

FAQ

Will the M2 burr make my Encore as good as the Virtuoso?

Nearly. The grind quality with M2 burrs is about 90% to 95% identical to the Virtuoso+. The remaining gap comes from the motor difference, not the burrs. For daily home use, most people cannot taste the difference.

Do I need to recalibrate my Encore after installing M2 burrs?

No. The M2 burrs are a direct drop-in replacement. Your grind settings on the dial correspond to the same physical burr spacing as before. However, the different burr geometry means your ideal setting for a given brew method might shift by one or two numbers. Re-dial your preferred brew method after the swap.

Can I put M2 burrs in a Baratza Encore ESP?

Yes. The Encore ESP uses the same burr housing as the standard Encore and Virtuoso. The M2 burrs are fully compatible.

Where can I buy M2 burrs?

Directly from Baratza's website (baratza.com) under their parts and accessories section. They're also available on Amazon, though Baratza's direct pricing is usually the same or cheaper. Avoid third-party sellers offering "compatible" burrs, as the steel quality and machining won't match Baratza's originals.

The Smart Move

If you own a Baratza Encore, the M2 burr upgrade is one of the highest-value improvements you can make to your coffee setup. For $35 and 10 minutes, you get grind quality that rivals a grinder costing $150 more. Buy the burrs, install them, give them a few weeks to break in, and enjoy cleaner, more flavorful coffee from the grinder you already own.