Increase flow and hear your S54 breathe with the Turner Open Intake System. The Turner intake flows over 200% greater than the factory airbox with OEM fitment!
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650cc per minute set of 6 fuel injectors
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Custom Applications - Will require additional tuning or modifications.
Max gains of up to +69 HP and +55 lb-ft TRQ (Crank); +60 HP and +49 lb-ft TRQ (Wheel)
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Includes belt and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! A "bolt on and go" answer to a weak, unattractive water pump pulley
Allows for significantly more air flow over the stock intake
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Brand:
ES#:
2985903
Mfg#:
51-31662-C
EO#:
D-550-38
In Stock at Vendor
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$757.99
This product was last offered at the strikethrough price on 06-12-2026
For use with the Akrapovic Exhaust Suite - Use the Sound Remote Controller or the new smartphone app (for iOS and Android) to regulate the valves.
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Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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By placing our massive 3.5" high-flow ducting right behind the front grilles, your turbos get a direct gulp of cold air. The results? Max induction, a sharp look peeking through the grille, and a sound profile that will put a smile on your face every time
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Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
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Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For Fuel-It! brand port injection configs.
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Plug & play power — gain up to 40 horsepower on a stock car, 70+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
3508709
Mfg#:
JB4-S55
In Stock
$599.00
This product was last offered at the strikethrough price on 05-19-2026
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
