News Technical Service Bulletins

BMW Engine Might Shudder

Order Reprints
BMW

This bulletin applies to 2017 BMW 2, 3, 4 and 5-series equipped with a B460 engine. A buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.

There may be no related faults saved in fault code memory.Software in the DME (digital motor electronics) may cause the Valvetronic motor to shudder at the end stop position. Reprogram the vehicle with the latest version of ISTA Next.  Always connect a BMW approved battery charger/power supply during programming.

Related Articles

BMW May Have Tank Vent Defect

Volvo Might Need Total Software Upgrade

BMW Ticking

You must login or register in order to post a comment.