BMW 325i not starting issue possibly related to very low oil and camshaft position sensor error code L0340 on BMW 325i

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

Problem overview

Some BMW 325i owners report experiencing starting issues potentially linked to very low oil levels and a camshaft position sensor error code L0340. Low oil levels can lead to engine damage, making it crucial to check and maintain adequate oil before attempting to start the vehicle. Additionally, the camshaft position sensor is essential for proper engine timing, and an error code like L0340 indicates a malfunction that may prevent the engine from starting. To address these concerns, owners should ensure the oil level is sufficient and inspect the camshaft position sensor and its connections for any damage. If these issues are resolved and the car still does not start, further diagnostics may be necessary to identify the underlying problem.

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BMW 325i vehicles with this problem

1 model year affected
Average mileage: 151,000 miles
(151,000 - 151,000)

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