Engineered to bridge the gap between "universal" fitment and OE-level reliability, these injectors are drop-in replacements that eliminate the guesswork of fuel system upgrades.
For Custom Applications - Will require additional tuning or modifications.
For enthusiasts looking to optimize their engine's fuel delivery without compromising daily drivability.
For Custom Applications - Will require additional tuning or modifications.
Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel).
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Brand:
ES#:
4615791
Mfg#:
D440-0137
Ships in 6 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$787.99
This product was last offered at the strikethrough price on 09-08-2026
The ultimate fueling solution for your S58 powered BMW. Six supplemental low-pressure fuel injectors allow fueling of up to 1000+ whp using water/methanol blends. JB4 integrated!
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
Whether you're racing or upgrading your street car, this piston offers the perfect balance of strength and precision. Specs: 86.50 mm Bore – 1.220 in. CH, -9.40 CC
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
