NDesign - B58 Gen1 Block Water Plug

B58 Gen1 Front Block Water Plug

The B58 Gen1 Front Block Water Plug is a durable aluminum replacement for factory plastic coolant plugs BMW 11118629123 and 11531439134.

Designed as a direct replacement for OEM components, this plug eliminates limitations of the original plastic construction and provides improved durability in high-temperature and demanding engine applications.

Manufactured from aluminum, plug offers excellent resistance to high temperatures and long-term thermal cycling, making it an ideal upgrade for high-performance, race, and motorsport applications.

Features:

Designed for B58 Gen1
Direct replacement for OEM 11118629123 and 11531439134
CNC-machined aluminum construction
Significantly more durable than the factory plastic component
High-temperature resistant
Designed for long-term reliability under demanding conditions
Ideal for high-performance and motorsport applications