The problem with these vehicles is that a battery cable connector can fail and cause the engines to stall.

FORBES: After 130,000 in 2010, BMW Recalls Another 569,000 Vehicles

The revised cabling setup allows 3.5mm cables to plug directly into the headsets, making for easier replacements and swapping (previous versions had you connect to a short cable hung from the earcup, with a dual-pole connector).

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