Service bulletin B330318
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 | 10152663 |
| Published by NHTSA | 2019-01-07 |
| Manufacturer's number | B330318 |
| Manufacturer's date | 2018-11-01 |
| NHTSA component | SUSPENSION |
NHTSA's summary
KNOCKING NOISE OR VIBRATION/DRONING NOISE FROM THE REAR AXLE. 1 A hard knocking noise is heard from the rear axle area during load reversals. 2 A humming/droning noise is heard with vibration during partial to full engine load in higher gears. The tuning of the rear suspension mount for the differential.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Suspension
| BMW M2 | 2016, 2017, 2018 |
|---|---|
| BMW M3 | 2015, 2016, 2017 |
| BMW M4 | 2015, 2016, 2017, 2018 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B310124 | 2024-02-01. Service bulletin. With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehicle is lowered, and the wheels are once again under load. The noise might also be heard for a short time while driving. |
|---|---|
| B340515 | 2020-12-21. Service bulletin. TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space. |
| B310112 | 2020-09-14. Service bulletin. CRACKING NOISES FROM THE FRONTAXLE AREA WHILE TURNING THE WHEELS, WHEN STATION: Cracking noises are heard from the front axle area while maneuvering at low speeds (e.g., parking lot maneuvers) or when turning the steering wheel while stationary. |
| B310514 | 2019-10-21. Service bulletin. Front Suspension Ride Height Has Dropped: The front suspension ride height has dropped on one or both sides due to overload. This is caused by driving over obstacles (e.g. potholes) or an impact severe enough for the front spring strut damper to slip through the clamp of the steering knuckle. |
| B330318 | 2019-02-25. Service bulletin. KNOCKING NOISE OR VIBRATION/DRONING NOISE FROM THE REAR AXLE. A hard knocking noise is heard from the rear axle area during load reversals. The tuning of the rear suspension mount for the differential. |
| B330119 | 2019-02-25. Service bulletin. DRONING NOISE FROM THE REAR AXLE. A humming/droning noise is heard with vibration during partial to full engine load in higher gears. The tuning of the rear suspension mount for the differential. |
| B330316 | 2018-12-10. Service bulletin. SERVICE ACTION: REWORK SCREW CONNECTION FOR V-STRUT CROSSBEAM. The two outer screws fitted for the V-strut crossbeam under the vehicle are too long. |
| BMWAUG0516 | 2018-11-05. Service bulletin. The delivery stop has been lifted for certain affected M vehicles produced from May 12, 2016 through July 4, 2016. While the delivery stop has been lifted, customers must sign a disclosure prior to delivery acknowledging the premature wearing of the rear axle differential. A copy of the disclosure form is attached and must be maintained in the customer?s deal jacket. Body of Disclosure:In the course of ongoing quality analysis, BMW has discovered that the disc in the rear-axle differential in the vehicle reference above wears out prematurely, causing loud noises. The remedy parts for the repair are not yet available. BMW of North America (?BMW NA?) will notify you when parts are available and advise you to schedule an appointment with your local BMW dealer to have the repair performed free of charge to you. To ensure that we have your most up-to-date contact information, please complete the information below. If you change your address before you receive the notice from BMW NA, please register your vehicle and update your contact information at http://www.bmwusa.com/myBMW. |
| B340515 | 2018-11-05. Service bulletin. Ticking Noise from the Front Axle When Cornering What's New: ? Changes to the procedure, parts information and warranty labor operations. The customer may complain of a ticking noise from the front axle when cornering, maneuvering, parking or pulling away from a parking space. The noise can be heard as a metallic ticking from the area of the front wheels. Movement between the inner contact surfaces of the brake disc and drive flange of the wheel bearing hub. |
| B340515 | 2018-05-21. Service bulletin. TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle when cornering, maneuvering, parking or pulling away from a parking space. |