Karlyn-STI / Bremi part number 730W/LOOM (alt - 12121279550 and 12121247523) is a premium OE-equivalent spark plug ignition wire set engineered specifically for classic, early-1980s BMW models equipped with the 3.2L or 3.4L M30 inline-6 engine. If your early 5/6/7 series had a dealer update (campaign upgrading the cap, rotor and wires), this set is NOT for you. It requires the original equipment Bosch distributor cap, part number 12111288165. (2289)
This wire set is built specifically for classic "Big Six" BMWs utilizing a factory distributor setup and an organized plastic routing loom:
- BMW 5-Series (E28): Fits the 1983–1984 BMW 533i (3.2L V6/Inline-6).
- BMW 6-Series (E24): Fits the 1982–1984 BMW 633CSi (3.2L Inline-6).
- BMW 7-Series (E23): Fits the 1982–1984 BMW 733i (3.2L Inline-6).
Technical Product Features
- Pre-Assembled Wire Loom: Shipped with the plastic organizing guide tray pre-attached. This mirrors original factory routing to safely clip the plug wires along the top of the valve cover, preventing them from touching hot exhaust manifolds or moving components.
- German-Engineered Boots: Built by Bremi in Germany featuring the classic original-style rigid spark plug extensions and 90-degree boot ends designed for seamless connectivity on M30 distributor caps.
- High-Grade Insulation: Constructed with thick dual-layer silicone insulation that provides premium resistance to moisture, fuel oils, and harsh engine-bay temperatures.
