2021 Domestic BMW 3 Series De-contenting Items

1 Answers
MilaLynn
07/29/25 8:12pm
The following are the de-contenting items for the 2021 domestic BMW 3 Series: Removal of built-in hard drive: The 2021 model's head unit model HU-H3_F removes the built-in hard drive, no longer supporting music storage. To play MP3s, a USB drive must be directly plugged into the head unit's USB port. Engine de-contenting: The 2021 320 and 325 models are equipped with the low-power B48B20C engine, which cannot be flashed to high power. Additionally, apart from different ECU control programs, the hardware of high and low-power engines also differs. The high-power engine uses an independent dual-reservoir water cooling system, while the low-power engine uses an integrated single-reservoir water cooling system. Removal of headlight base cover in the engine bay: The 2021 model removes the headlight base cover. Cancellation of factory optional electric lumbar support: Starting from February 2021, the 2021 models no longer include electric lumbar support in the package, only retaining the electric tailgate.
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