Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
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Used when retrofitting an OEM or aftermarket CSL intake on a vehicle with SMG transmission
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles equipped with SMG transmissions only
Brand:
ES#:
2143439
Mfg#:
41147896136
In Stock
ON SALE!
SAVE 39%
$29.99
This product was last offered at the strikethrough price on 05-02-2026
Commonly used as a VANOS extension harness for engine swaps
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Commonly used for E36 engine swaps into your vehicle
Brand:
ES#:
31559
Mfg#:
12522274971
Ships in 5 Business Days
4% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$52.99
This product was last offered at the strikethrough price on 06-18-2026
Smooth out the incoming air to the throttle body. Also can be used to upgrade the Stage 1 design to Stage 2
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Brand:
ES#:
2986031
Mfg#:
54-12399
In Stock at Vendor
21% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$61.99
This product was last offered at the strikethrough price on 06-18-2026
Installation kit designed to bridge the gap between high-performance fueling and OEM-style fitment.
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Secure the rear of the transmission to the crossmember. Made in Germany.
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With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs!
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Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals!
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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
