# Service bulletin 122\-C7B2H\-01

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: 10153562
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: 122\-C7B2H\-01
- Manufacturer's date: 2018\-12\-14
- NHTSA component: WHEELS; EQUIPMENT

## NHTSA's summary

Subject: Magnesium wheels Information: The demand for the equipment option "Weissach package" was significantly higher than originally calculated. This resulted in supply bottlenecks, for example, for the supplier of the magnesium wheels contained in this package.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153562-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153562-9999.pdf)

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

## Components

Equipment and accessories, Wheels

## Vehicles listed

- 2018 PORSCHE 911

## Recalls for the same vehicles and component

- [19V875000](/recalls/nhtsa/19V875000.md), 2019-12-11: CHILD SEAT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

## Other bulletins for the same vehicles and component

- [SPTL2609](/bulletins/11037868.md), 2026-10-02, Service bulletin: WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines \- Q3 2026 Software Spec Update Available
- [SPTL2608](/bulletins/11037083.md), 2026-09-04, Service bulletin: WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines \- Q2 2026 Software Spec Update Available
- [40/26 4407](/bulletins/11034784.md), 2026-07-07, Service bulletin: WHEELS. Wheel Bolt Replacement Requirement \- Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers \(40/26\)
- [109/21 4407](/bulletins/11034598.md), 2026-07-07, Service bulletin: WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure \(SY 109/21\)
- [No. 1506.2](/bulletins/11032435.md), 2026-05-07, Service bulletin: WHEELS. Instructions on advanced technical information for center\-locking wheel nut tightening.
- [No. D774](/bulletins/11030878.md), 2026-04-07, Service bulletin: WHEELS. Parts information for Parts Withdrawal \- Pressure Sensor \(9A790605201\) The cars affected are ones that use the part number mentioned.
- [No. D771](/bulletins/11030850.md), 2026-04-06, Service bulletin: WHEELS. Parts information for Parts Withdrawal \- Hub Cap. Part numbers involved are 9Y0601149F, 9Y0601149G, 9Y0601149H, 9Y0601149J, 9Y0601149L, and 9Y0601149M. The vehicles affected are ones that use the part numbers mentioned.
- [No. GR6D9](/bulletins/11025063.md), 2025-11-05, Service bulletin: WHEELS. Parts information for the thatcham wheel lock information. Since model year 2015, nearly all new vehicles \(SUV's may have Thatcham or previous style wheel lock\) come equipped with Thatcham\-style wheel locks from the factory. Each vehicle equipped with Thatcham\-style wheel locks uses a unique key. The vehicles affected are cars that use this wheel lock
- [No. 14\-21](/bulletins/11024132.md), 2025-10-08, Service bulletin: WHEELS. Installation and conversion instructions for information on measuring the wheel system \(manthey\)
- [D9](/bulletins/11015102.md), 2025-03-05, Service bulletin: WHEELS. Parts Information \- Thatcham Wheel Lock Information

JSON: [/v1/bulletins/10153562](/v1/bulletins/10153562)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20122-C7B2H-01&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10153562&vehicle=Service%20bulletin%20122-C7B2H-01)