A piggy back tuner that allows you to adjust throttle response for peak performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4884002
Mfg#:
999982BMW
Special Order: No Guaranteed ETA
ON SALE!
SAVE 10%
$259.00
This product was last offered at the strikethrough price on 07-01-2026
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Gen 1 B58 compatible with MHD or ECUTEK tunes, Gen 2 B58 compatible - Automatic Transmission (Any HPFP)
Brand:
ES#:
5470774
Mfg#:
ECAGB58S58ATSD3
In Stock
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 06-24-2026
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Gen 1 B58 compatible with MHD or ECUTEK tunes, Gen 2 B58 compatible - Automatic Transmission (Any HPFP)
Brand:
ES#:
5470716
Mfg#:
ECAGB58S58ATSD
In Stock
ON SALE!
$490.00
This product was last offered at the strikethrough price on 06-22-2026
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5457709
Mfg#:
ECAGB58S58AT
In Stock
ON SALE!
$490.00
This product was last offered at the strikethrough price on 05-14-2026
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 07-06-2026
Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Next-Gen Power Delivery with OEM-Level Integration - up to + 70 HP / + 70 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For 2025+ models with the Gen3 B58 (B58N / B58TU2)
Brand:
ES#:
5434555
Mfg#:
NM.64502058.2
Ships in 2 Business Days
ON SALE!
$629.00
This product was last offered at the strikethrough price on 07-02-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +80 HP / +75 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For early Pre-2025 models with the Gen2 B58 (B58D / B58TU)
Brand:
ES#:
5434554
Mfg#:
NM.64502058
Ships in 2 Business Days
ON SALE!
$629.00
This product was last offered at the strikethrough price on 07-02-2026
Get up to +99 hp and +88 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456323
Mfg#:
934125
Ships in 3 Business Days
ON SALE!
SAVE 10%
$779.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +87 hp and +82 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456322
Mfg#:
925596
Ships in 3 Business Days
ON SALE!
SAVE 10%
$848.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +87 hp and +82 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456321
Mfg#:
925595
Ships in 3 Business Days
ON SALE!
SAVE 10%
$779.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +67 hp and +59 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456326
Mfg#:
924946
Ships in 3 Business Days
ON SALE!
SAVE 10%
$848.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +67 hp and +59 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456325
Mfg#:
924945
Ships in 3 Business Days
ON SALE!
SAVE 10%
$779.00
This product was last offered at the strikethrough price on 07-01-2026
Can leave this dongle plugged in without draining battery. Enables you to wirelessly load MHD flashes and several other functions to your BMW when paired with an Android or iOS device! Compatible with E, F, & G Chassis BMWs!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Newest MHD Flash Adapter - works with E F & G Chassis BMWs!
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.
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