# Service bulletin B621019

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: 10170589
- Published by NHTSA: 2020\-01\-21
- Manufacturer's number: B621019
- Manufacturer's date: 2019\-12\-01
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

INCORRECT CONDITION BASED SERVICE DATA FOR BRAKE FLUID SERVICE. "Brake fluid service due since 12/2001" is displayed in the instrument cluster although the vehicle is only a maximum of 1 year old. Software error in the KOMBI \(Instrument Cluster\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170589-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170589-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2019 to 2020 BMW 330I
- 2018 to 2020 BMW 530E
- 2017 to 2020 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2020 BMW 540I
- 2018 to 2019 BMW 640I
- 2017 BMW 740E
- 2017 to 2020 BMW 740I
- 2016 to 2017 BMW 740LI
- 2020 BMW 745E
- 2019 BMW 750I
- 2016 to 2019 BMW 750LI
- 2020 BMW 840I
- 2018 to 2020 BMW B7 ALPINA
- 2020 BMW M340I
- 2018 to 2020 BMW M5
- 2017 BMW M550I
- 2018 to 2020 BMW M550I
- 2017 BMW M760I
- 2020 BMW M760I
- 2020 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 BMW M850I
- 2018 to 2020 BMW X3
- 2019 to 2020 BMW X4
- 2019 to 2020 BMW X5
- 2018 BMW X5 M
- 2020 BMW X6
- 2018 to 2019 BMW X6 M
- 2019 to 2020 BMW X7
- 2019 to 2020 BMW Z4

## Recalls for the same vehicles and component

- [2021479](/recalls/tc/2021479.md), 2021-08-03: Brakes
- [2021061](/recalls/tc/2021061.md), 2021-02-10: Brakes
- [21V062000](/recalls/nhtsa/21V062000.md), 2021-02-10: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC; SERVICE BRAKES, HYDRAULIC
- [2018366](/recalls/tc/2018366.md), 2018-07-06: Brakes
- [18V453000](/recalls/nhtsa/18V453000.md), 2018-07-06: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

## Other bulletins for the same vehicles and component

- [B661719](/bulletins/11017504.md), 2025-05-02, Service bulletin: SERVICE BRAKES. The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This appliesonly to the situation where the Active PDC option is activated via the iDrive.
- [B340921](/bulletins/11013041.md), 2025-01-23, Service bulletin: SERVICE BRAKES. A turbine\-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
- [B340714](/bulletins/10244237.md), 2023-11-01, Service bulletin: SERVICE BRAKES, HYDRAULIC. Functional noises \(squealing/honking\) when braking shortly before the vehicle comes to a stop. CAUSE Material\-
- [B340223](/bulletins/10238072.md), 2023-06-26, Service bulletin: SERVICE BRAKES, HYDRAULIC. Brake squeak may occur with cold brakes and driving slowly or reversing
- [SIB510623](/bulletins/10236228.md), 2023-05-15, Service bulletin: AIR BAGS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH; PARKING BRAKE; EXTERIOR LIGHTING. The hazard light \(aka emergency flasher\) button gets stuck in the ON or OFF position when actuated.
- [SIB170220](/bulletins/10224198.md), 2022-10-17, Service bulletin: FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING. Symptom 1: There are traces of coolant leaking under the vehicle, or there is significant pressure released along with coolant loss when opening the low temperature cooling system reservoir \(engine cold\). The following fault code may also be stored in the DME: 20A201 \- Charge air cooling system: Coolant pump protective function activated due to dry running Symptom 2\*: The air conditioning may have low cooling output with the following fault stored in the IHKA: 80120A \- Compressor: Shut down due to overpressure in refrigerant system. Symptom 2 is an additional symptom related to Symptom 1. Diagnose the IHKA fault with ISTA test plans if it is the only fault stored \(if no DME faults are stored related to coolant loss, this bulletin repair does not apply\).
- [B330120](/bulletins/10212789.md), 2022-05-31, Service bulletin: SERVICE BRAKES. There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning. Incorrect actuating pressure in the M\-differential clutch plates.
- [B360122](/bulletins/10211855.md), 2022-05-16, Service bulletin: SERVICE BRAKES, HYDRAULIC; WHEELS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. After replacing tires and successfully programming the Tire Pressure Monitoring System \(TPMS\) using the RDC tool to transfer the QR code information on the sidewall, the "back\-end" support systems need time to update the new tire information.
- [SIB340821](/bulletins/10204626.md), 2021-12-13, Service bulletin: SERVICE BRAKES, HYDRAULIC. The yellow CCM, ID code 42, lights up when starting the vehicle. ID code 00042: Brake system. It is possible to continue driving. Additional notes: Avoid abrupt braking as far as possible. Drive at a moderate speed. Have it checked by your nearest Service Center.
- [SIB340721](/bulletins/10204625.md), 2021-12-13, Service bulletin: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC. When starting the vehicle vehicle at standstill, various yellow Check Control Messages CCMs appear. ID code 00042: Brake system. Additional notes: Avoid abrupt braking as far as possible. Drive at a moderate speed. Have it checked by your nearest Service Center. ID code 2046: Braking force assistance. Additional notes: Braking force assistance failure. Higher pedal force required for vehicle deceleration. Drive at a moderate speed. Have it checked by your nearest Service Center.

JSON: [/v1/bulletins/10170589](/v1/bulletins/10170589)

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