Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For F-Chassis Vehicles w/ N63TU Engine Only; Not for sale or use in California For vehicles with an N63TU engine only
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. For models with the later Gen2 B58 (B58TU) engine only
Quick and simple add-on for increased power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For FWD models with 4 wire TMAP Sensor
Dinan's newest in-line tuner that not only gives more power but also many additional features accessible via their free BT phone app - Adds up to 60-75 WHP/WTQ on BMW S58 powered applications!
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#:
4872006
Mfg#:
D440-0200
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$843.99
This product was last offered at the strikethrough price on 06-25-2026
Alter parameters and fine-tune � wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
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#:
3138899
Mfg#:
N3MS41
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *For Electronic waste-gate*
Max gains of up to +60 HP and +91 lb-ft TRQ (Crank); +55 HP and +80 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! Fits 2022+ model years
Brand:
ES#:
4499648
Mfg#:
D440-0153
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.
$760.99
This product was last offered at the strikethrough price on 06-25-2026
Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Add Performance to your B58 While Maintaining Reliability with Dinan!
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 model years up to 2019 (B58M30M0 (B58A) Engine ONLY)
Brand:
ES#:
4428752
Mfg#:
4431
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.
$899.99
This product was last offered at the strikethrough price on 06-25-2026
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Highest HP gains from Burger Motorsport!
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 50 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with electronic waste gate; not for sale or use in the state of California.
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 1988-1992 models with a manual transmission and ECU # 0-261-200-173
Brand:
ES#:
3098075
Mfg#:
173-300
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
