| Weight (kg) | 1.460 |
| Fitting position |
|
| No. of chain links |
|
| Chain type |
|
| Timing chain size |
|
| Chain pitch (mm) | 9.525 |
Expresslevering
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
| Manufacturer | Productnumber |
| BMW | 11 31 2 249 851 , 11312249851 |
| BMW | 11 31 2 249 851 S2 , 11312249851S2 |
| BMW | 11 31 8 506 869 , 11318506869 |
| BMW | 11 31 8 506 869 S2 , 11318506869S2 |
| BMW | 13 52 2 249 852 , 13522249852 |
| BMW | 13 52 2 249 852 S2 , 13522249852S2 |
| BMW | 13 52 7 787 299 , 13527787299 |
| BMW | 13 52 7 787 299 S3 , 13527787299S3 |
| BMW | 13 52 7 789 690 , 13527789690 |
| BMW | 13 52 7 789 690 S2 , 13527789690S2 |
| BMW | 13 52 8 506 969 , 13528506969 |
| BMW | 13 52 8 506 969 S2 , 13528506969S2 |
| Usage numbers |
| G67AM-S66E |
| G67AM-S74E |
| SW20949555 |
| 20949555 |
| 4 |
| 04469E+12 |
The Timing Chain Kit (20 94 9555) maintains complete timing system stability and synchronization. A Porza set guarantees long-term durability and precise valve timing.
A timing chain kit is a set of components used to service or replace the engine’s timing chain system. It typically includes the timing chain, tensioner, guide rails, sprockets, and sometimes seals or gaskets.
Key specifications include chain length, number of links, sprocket design, tensioner type, material quality, and compatibility with the engine. All components must work together precisely to maintain correct engine timing.
Replacement is necessary when the timing chain system shows signs of wear or failure. Common symptoms include rattling noises, engine misalignment, poor performance, or warning lights. Unlike belts, chains last longer but still require replacement when worn.
Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.
Porza provides high-quality engine components with fast delivery across Europe and options for online ordering or in-store pickup.
If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.