2021 BMW 218i (B38) | SMART BOOST BASIC 🔥
- Revhigh Performance Tuning
- 16 hours ago
- 1 min read

Small turbo. Big real-world gains.

The B38 is smooth from factory — but there’s more in it.

SMART BOOST BASIC wakes it up with earlier boost, stronger mid-range, and effortless overtaking — all while keeping the BMW feel refined and comfortable.



✅ Plug & play — no ECU flash, no wiring cuts
✅ Faster response, thicker mid pull
✅ Smooth, factory-like drive
✅ Warranty-friendly entry upgrade

Perfect first step for your 218i 💯

👉 DM us to upgrade smart.
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