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NHTSA 10162418: Engine Idle Speed Dips Too Low While Braking at Lower Vehicle Speeds
Engine Idle Speed Dips Too Low While Braking at Lower Vehicle Speeds on N52/N54 engines (2009–2011); BMW released a software update.
BMW service bulletin · NHTSA ID 10162418 · Jul 2019
What it covers
A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.
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.
Details
| Bulletin number | NHTSA 10162418 |
|---|---|
| NHTSA ID | 10162418 |
| Document IDs filed | 121210 |
| Type | Service bulletin |
| Date | |
| Models | Z4 |
| Model years | 2009–2011 |
| Chassis | E89 |
| Engines | N52, N54 |
| Component (NHTSA) | Engine And Engine Cooling Power Train › Automatic Transmission › Control Module (Tcm/Pcm/Tecm) |
Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.
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Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.