2025 BMW M340i Review: Better Than an M3 for Daily Driving?

We’ve all heard it before—“I’d buy this car.” But how often do auto journalists actually follow through? This time, I did. After reviewing the 2024 BMW M340i xDrive in Melbourne Red Metallic for BMWBLOG, I couldn’t stop thinking about it. Fast forward to 2025, and I put my money where my mouth is.

In this video, I share my real-world experience owning the 2025 BMW M340i—the one-car solution for enthusiasts who want performance, comfort, and daily usability. From canyon carving in California to a 7,000-mile winter road trip across the U.S., I take you behind the wheel and explain why this modern sports sedan might be one of the last great all-rounders.

We’ll cover:
- Why I chose the M340i over an EV or full M car
- The 2025 updates to the G20-generation 3 Series
- Fuel economy surprises on a coast-to-coast road trip
- How it performs in the canyons versus track-prepped rivals
- And whether I’d buy it again

Intro 0:00
Start-up Engine 0:25
One Car Solution 00:40
Specs & Price 02:00
Exterior Design Review 04:30
B58 Engine Changes 07:30
Things I Don't Like 10:00
M340i vs Audi S5 vs Mercedes-Benz C43 12:20
Size 13:10
M340i or M3 13:20
Powertrain 14:13
What is the mild-hybrid? 16:25
Is Rear-Wheel Drive Better? 18:15
Same size as E39 M5 20:55
Trunk Space 21:20
Conclusion 22:00

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