550cc BMW E30 M3 Fuel Injectors – Bosch EV6 Upgrade w/ Adapter Harness – SouthBay
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High‑performance 550cc Bosch fuel injectors for the BMW E30 M3 S14 engine. Each set is flow‑matched, rebuilt to OEM standards, and includes the correct EV6→EV1 wire adapter harness for a direct, trouble‑free installation. Ideal for naturally aspirated or boosted performance builds.
Upgrade your BMW E30 M3 with a precision‑matched set of 550cc Bosch fuel injectors, professionally rebuilt and flow‑tested by SouthBay Fuel Injectors. Designed for both street and track applications, these injectors deliver consistent fueling, improved throttle response, and reliable performance under high‑RPM load.
Key Features
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Genuine Bosch high‑impedance injectors
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Fully rebuilt, ultrasonically cleaned, and flow‑matched
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Includes correct EV6→EV1 wire adapter harness
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Supports naturally aspirated, turbo, and supercharged setups
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Compatible with pump gas, race fuel, and ethanol blends
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New O‑rings and filters installed
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Ready for plug‑and‑play installation
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Performance Benefits
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Smoother idle and improved atomization
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Consistent cylinder‑to‑cylinder fuel delivery
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Increased headroom for tuning and power upgrades
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Reliable operation at high duty cycles
Built for enthusiasts who demand OEM reliability with modern performance, these injectors are the perfect upgrade for your classic E30 M3.
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BMW E30 M3 (1988–1991)
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2.3L S14 Engine
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Direct fit with included EV6→EV1 harness adapters
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Suitable for stock ECU (with tune) or standalone engine management
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