Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles or older.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Alleviate the plague of heat soak on the street or track.
Plug-&-Play piggyback tuner offering a wide range of adjustments - Easily adjusted via Dinan's Bluetooth app - Includes upgraded 4-Year/50,000 Mile Factory-Matching New Car Warranty!
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! For vehicles with the Gen3 B58 (B58N / B58TU2) engine only
Brand:
ES#:
5425665
Mfg#:
D440-0201-W
Ships in 5 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.
$2362.99
This product was last offered at the strikethrough price on 07-09-2026
Max gains of up to +53 HP and +55 lb-ft TRQ (Crank); +47 HP and +48 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! For vehicles with the N63TU3 Engine only For 2020+ Models only with the N63TU3 Engine
Brand:
ES#:
4500718
Mfg#:
D440-0160
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.
$760.99
This product was last offered at the strikethrough price on 07-09-2026
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 +12LB/FT gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date from 09/1998
Brand:
ES#:
3138953
Mfg#:
N4MS42
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
An advanced piggy-back engine controller that works simultaneously with the original ECU
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gains up to 80whp/100wtq on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
4000046
Mfg#:
JB4-F90-M5
Ships on Aug 7, 2026
$899.00
This product was last offered at the strikethrough price on 05-19-2026
Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Drilling Required!
Brand:
ES#:
4142048
Mfg#:
014579TMSKT
In Stock
ON SALE!
SAVE 25%
$136.36
This product was last offered at the strikethrough price on 06-13-2026
Quick and reliable power from a name you know and trust!
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!
Brand:
ES#:
3184688
Mfg#:
D440-0047
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$321.99
This product was last offered at the strikethrough price on 07-09-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date between 09/1992 and 12/1994 and Bosch DME # 0-261-200-413 For Vehicles with a Production Date Between 01/93 and 12/94.
Brand:
ES#:
3136948
Mfg#:
413-000
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Increase of +95 Horsepower, and +188 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Plug & play power — gain up to 60 horsepower on a pump gas, 100+ horsepower on a E85 or higher octane fuel!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
