URO 13641358917 Cold Start Fuel Injector

Cold Start Fuel Injector for BMW Fuel Injection Service

This URO cold start fuel injector is built for BMW fuel injection systems that need reliable cold-start enrichment. It is a direct-fit service part for classic BMW 528i, 530i, 533i, 535i, 535is, 635CSi, and 735i applications, with part number 13641358917 used for identification and ordering.

Key Features

• Cold start fuel injector for BMW fuel injection system service
• PA6.6GF housing material for durable under-hood use
• 48.19 length specification for application matching
• Pin terminal design with 1 male terminal
• URO part number 13641358917 for catalog lookup
• Cross-reference part numbers include 13 64 1 358 917 and CJ50

Detailed Description

URO 13641358917 is a cold start fuel injector used in BMW fuel injection systems to deliver the extra fuel needed during cold engine starts. The PA6.6GF construction supports the demands of engine-bay service, while the pin-style, single male terminal connection helps match the original electrical interface. This part is listed for 1975-1978 BMW 530i, 1979-1981 BMW 528i, 1983-1984 BMW 533i, 1985-1988 BMW 535i, 1988 BMW 535is, 1985-1989 BMW 635CSi, and 1985-1987 BMW 735i. If you are sourcing a BMW cold start fuel injector 13641358917 for a classic fuel injection repair, this part provides a focused OE-style replacement path.

What It Helps Address

• Hard starting during cold weather
• Extended cranking before the engine fires
• Rough idle immediately after startup
• Fuel delivery issues during cold-start enrichment
• Fault tracing in older BMW fuel injection systems

Installation Notes and Tips

Verify connector style, terminal count, and overall length against the original injector before installation. Confirm the vehicle application by model year and inspect the surrounding fuel injection components, wiring, and seals during service. For BMW 528i, 530i, 533i, 535i, 535is, 635CSi, and 735i repairs, matching the original part number 13641358917 helps reduce fitment errors.

Quality Assurance

URO supplies replacement components for European vehicle service, and this injector is cataloged under BMW interchange references for application matching. Part number 13641358917 is also referenced as 13 64 1 358 917 and CJ50 for cross-checking in parts lookup systems.