The SEAL U DM-I has carved out a solid reputation since its launch, blending BYD’s DM-i plug-in hybrid efficiency with a practical mid-size SUV package. But as owners in colder climates are discovering this winter, the factory tire pressure monitoring system doesn’t always keep pace with the vehicle’s overall polish. Temperature swings, especially the kind that hit overnight in January, can trigger false low-pressure warnings or outright sensor dropouts. The good news: the aftermarket is stepping up with pre-programmed replacements that sidestep dealership wait times and markup.
BYD’s 2025+ SEAL U DM-I uses a 433MHz clamp-in sensor, which is standard for the platform. The OE part, stamped EUEA3609200B, is reliable enough, but it’s not immune to battery failure or the physical abuse of pothole season. What makes the aftermarket particularly attractive right now is the shift toward pre-programmed units. No cloning tool, no dealership diagnostic session—just install and go. The BH-Sens BL-ST-096, manufactured by Baolong Technology, is one of the more versatile options in this space, covering 34 vehicle applications under the BYD umbrella while dropping into the SEAL U DM-I without modification.
Key Specs
| Parameter | BL-ST-096 |
|---|---|
| Brand | BH-Sens (Baolong Technology) |
| Frequency | 433MHz |
| Type | Clamp-in, pre-programmed |
| OE Reference | EUEA3609200B, 110964 |
| Fitment | BYD SEAL U DM-I (2025+) |
| Coverage | 34 BYD applications |
From a technical standpoint, Baolong doesn’t cut corners. The valve stem is machined rather than cast, and the sensor housing is sealed against moisture ingress—a common failure point on cheaper clones that see road salt and pressure washing. The pre-programmed nature means it ships already configured to the SEAL U DM-I’s protocol, which is a genuine time-saver. A shop can have all four swapped in under 30 minutes, including re-learning if the vehicle requires it. Most 2025+ BYD models auto-learn within a few minutes of driving, but having the option to trigger a manual relearn via the dash menu is a plus.
For winter prep, this matters more than most owners realize. Cold air contracts, dropping tire pressure by roughly 1 PSI for every 10°F change. A sensor with a weak battery or poor seal will throw a false code right when you need the system most. The BL-ST-096’s battery is rated for a five-to-seven-year lifespan, which aligns with typical tire rotation cycles. If you’re already pulling wheels for seasonal tire swaps, replacing aging sensors now is cheap insurance compared to a mid-January failure on the highway.
Market outlook: BYD’s parts supply chain remains tight for dealer-only components, and TPMS sensors are no exception. Independent shops serving SEAL U DM-I owners—whether in North America, Europe, or Australia—are increasingly stocking the BL-ST-096 as a direct cross-reference. It’s not a “too good to be true” scenario; it’s simply a properly engineered part that undercuts the dealer price without sacrificing fitment accuracy.
Bottom line: If you’re prepping a SEAL U DM-I for winter or replacing a dead sensor before summer heat stresses the battery further, the BL-ST-096 is a solid, no-headache choice. It’s the kind of aftermarket part that makes a shop look good—fast install, correct frequency, zero comebacks. Pair it with a fresh set of tires and you won’t think about TPMS again until the next seasonal swap.
Recommended Part: BH-Sens BL-ST-096 TPMS Sensor — available at longweiparts.com with same-day shipping.
