Removes top speed limiter, raises rev limit to 8,250rpm, improves throttle response, and improves power output - max gains of 22hp and 16tq!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Non Competition Package models Non Competition Package models
Brand:
ES#:
4615790
Mfg#:
D440-0128
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.
$749.99
This product was last offered at the strikethrough price on 05-10-2026
Max gains of up to +69 HP and +55 lb-ft TRQ (Crank); +60 HP and +49 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
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
Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Performance software tuned for M50 manifold, HFM, cams, headers & high flow injectors
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3138897
Mfg#:
N3M3CRH
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +9LB/FT gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3195178
Mfg#:
N3MS41E
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 8,100rpm, improves throttle response, and improves power output!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wake up your BMW with dyno-proven gains by Jim Conforti - +24HP +19LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with Turner Motorsport 2.5L stroker kit an
Brand:
ES#:
3098028
Mfg#:
0710-3101
In Stock
ON SALE!
SAVE 20%
$349.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 12/1994 with 24lb injectors, and Schrick camshafts. Satisfaction guaranteed! Includes 30 day money back guarantee
Brand:
ES#:
3137174
Mfg#:
5060-3006
In Stock
ON SALE!
SAVE 20%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 01/1995, with Euro HFM, lightweight flywheel, 24lb injectors, and Schrick camshafts. Satisfaction guaranteed! Incl
Brand:
ES#:
3137080
Mfg#:
4131-3006
In Stock
ON SALE!
SAVE 20%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 01/1995 and a lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee and limited life
Brand:
ES#:
3137068
Mfg#:
4131-3003
In Stock
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 01/1995 and a Euro HFM. Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warrant
Brand:
ES#:
3137051
Mfg#:
4131-3001
In Stock
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 05-02-2026
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