"Engine Idle Speed Dips Too Low While Braking at Lower Vehicle Speeds
BMW technical service bulletin 121210 for 2009-2011 BMW Z4.
- Bulletin number
- 121210
- Component
- Engine and engine cooling
- Summary
- "Engine Idle Speed Dips Too Low While Braking at Lower Vehicle Speeds. The engine speed may drop too low when slowing to a stop, braking at low road speeds, or while parking the car. This occurs intermittently, but can be more apparent when the automatic transmission selector lever is in the ""Sport mode"" position. Unfavorable DME software application"
Owners of these vehicles have filed 26 complaints in the engine category.
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