# Service bulletin B160320

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10182905
- Published by NHTSA: 2020\-11\-23
- Manufacturer's number: B160320
- Manufacturer's date: 2020\-10\-01
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

DELIVERY STOP \- REPLACE FUEL TANK: Over time, a fuel tank weld seam may start to separate at locations in which welding may have beeninsufficient.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10182905-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10182905-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2019 to 2021 BMW Z4

## Recalls for the same vehicles and component

- [20V700000](/recalls/nhtsa/20V700000.md), 2020-11-12: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

## Other bulletins for the same vehicles and component

- [B610321](/bulletins/10250893.md), 2024-03-02, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER; ELECTRICAL SYSTEM:SOFTWARE. SITUATION BMW AG is conducting a Voluntary Emissions Recall \(effective April 23, 2021\) on a certain Model Year 2020 \- 2021 BMW vehicles that were produced between August 13, 2019 and December 11, 2020. Do not deliver to a customer, a New, Certified Pre\-Owned or Used vehicle subject to an emissions recall, until the vehicle is repaired. Do not use or sell replacement equipment/parts subject to an emissions recall. The 12 V battery’s dual storage system \(DSS\) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure. The error is displayed by a red Check Control message.
- [B160123](/bulletins/10249015.md), 2024-02-01, Service bulletin: FUEL SYSTEM, GASOLINE. A vehicle arrives at your center to be diagnosed for a micro\-leak in the fuel evaporative \(EVAP\) system\(NVLD natural vacuum leak detection\). For this condition, the following fault is stored in the DME: 190302 \- fuel tank ventilation and scavenging air system, micro\-leak: leakage more than 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a “large leak,” after confirming that the fuel filler cap is fitted properly, then, proceed to follow the corresponding test plan
- [B160123](/bulletins/10239602.md), 2023-07-24, Service bulletin: FUEL SYSTEM, GASOLINE. A vehicle arrives at your center to be diagnosed for a micro\-leak in the fuel evaporative \(EVAP\) system \(NVLD natural vacuum leak detection\). For this condition, the following fault is stored in the DME: 190302 \- fuel tank ventilation and scavenging air system, micro\-leak: leakage more than 0.5 mm.
- [B160320](/bulletins/10182606.md), 2020-11-16, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE. DELIVERY STOP \- REPLACE FUEL TANK: Over time, a fuel tank weld seam may start to separate at locations in which welding may have beeninsufficient.
- [B620819](/bulletins/10164011.md), 2019-08-19, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. CC MESSAGE THAT FUEL TANK IS EMPTY AND RANGE IS ZERO WHILE THERE IS STILL FUEL: The customer states that sporadically the vehicle's remaining drive range is displayed as 0 miles even though the fuel level indicator \(aka gas gauge\) still indicates that there is sufficient fuel in the tank. There is also a Check Control message \(CCM ID 286\) displayed: "range 0. Please refuel" After the vehicle goes to sleep and restarts. The display functions normally. The correct remaining range is displayed Software error in the instrument cluster.

JSON: [/v1/bulletins/10182905](/v1/bulletins/10182905)

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