BMW 328d possible oil leak and burning smell from left side of engine on BMW 328d

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some BMW 328d owners report experiencing a burning smell, which may indicate potential oil leaks or other mechanical issues. This smell is often more pronounced from the left side of the engine bay, suggesting a possible source in that area. Additionally, oil leaks are a common concern among BMWs, frequently originating from gaskets and seals, which can lead to oil seepage and the associated burning odor. Owners may notice oil spots or drips beneath the vehicle when parked, signaling a potential leak. It is crucial for owners to pinpoint the exact source of the oil leak for effective repairs and to monitor for oil stains under the vehicle to assess the leak's severity. Seeking professional assistance is recommended to diagnose and repair the issue, as addressing these problems promptly can prevent further engine damage and ensure optimal vehicle performance.

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