Original BMW 5/7 Series & M5 Fuel System Seal (1988–1995)

For BMW 5/7 Series & M5 from 1988–1995, BMW supplies this Fuel System Seal as an Original BMW replacement component. It prevents fluid, air, or contaminants from passing through the specified joint. The supported range includes 525i, 530i, 535i, 540i, 735i, and 735iL, plus additional listed variants. BMW identifies Original BMW Parts as the parts designed, tested, and manufactured by BMW for its vehicles.

Technical Details

• Manufacturer part number: 16-14-1-178-783
• Manufacturer: BMW
• Component: Fuel System Seal
• Primary function: prevents fluid, air, or contaminants from passing through the specified joint
• Vehicle applications: BMW 5/7 Series & M5
• Production range: 1988–1995
• Listed models: 525i, 530i, 535i, 540i, 735i, and 735iL, plus additional listed variants

Fitment & Compatibility

Review the table below for year-by-year model coverage, submodels, and any listed equipment notes. Match the engine, fuel-system configuration, connector or line arrangement, and production date. A VIN check can resolve production splits or equipment differences. PMB Performance brings more than 20 years of European-parts experience to that review.