Browse chassis-specific parts, engine harnesses, 8HP conversion kits, and fuel packages. Add what you need to your cart and submit an order request — we'll handle the rest.
BMW E36
3 Series · 1991–2000
Compact, lightweight, and endlessly tunable — the E36 platform is a favorite for track builds and engine swaps. Parts below are tailored for M50/M52/S50/S52 and common swap configurations including LS, JZ, and Ford EcoBoost.
E36 M50/M52 Engine Harness
Custom standalone harness for M50/M52 engine management with MaxxECU / Link G4X integration.
E36 Fuel System Kit
Complete fuel system package with injectors, pump, and regulator for NA or forced-induction builds.
E36 8HP Conversion Kit
ZF 8HP transmission conversion package with custom harness, TCU calibration, and shifter assembly.
E36 ECU Calibration
Professional ECU tuning and calibration — turbo, fuel, and ignition maps dialed in for your setup.
BMW E46
3 Series · 1998–2006
The E46 refines the E36 formula with a stiffer chassis and the M54 family. Parts below cover standalone harness, fuel, 8HP, and turbo packages for M54, S54, and common swap configurations.
E46 M54 Standalone Harness
Standalone engine harness for M54 swaps and conversions with full sensor integration.
E46 S54 Fuel System
Upgraded fuel system for S54 with high-flow injectors and pump for NA or forced induction.
E46 8HP Conversion Kit
ZF 8HP conversion package with custom TCU harness, calibration, and mechanical fitment kit.
E46 S54 Turbo Package
Complete turbo upgrade package for S54 — upgraded turbo, lines, and intercooler piping.
BMW E39
5 Series · 1995–2004
The E39 M5 remains a benchmark for executive performance sedans. Parts below support M62/S62 calibration, custom harness integration, fuel system design, and M5X single-turbo conversions with 8HP integration.
E39 M62/S62 Engine Harness
Custom standalone harness for M62/S62 engine management with MaxxECU / Link integration.
E39 M5 Fuel System
High-performance fuel system for M5 with upgraded injectors and pump for NA or forced induction.
E39 8HP Conversion Kit
ZF 8HP conversion kit with TCU calibration and custom harness fabrication for M5 platforms.
E39 M5X Single-Turbo Kit
Single-turbo conversion package for M5X series — manifold, turbo, lines, and intercooler piping.
BMW E90
3 Series · 2005–2013
The E90 generation brought direct injection with the N52/N54/N55. The Link G5 Voodoo Pro and MaxxECU Race handle DI and combined port/DI strategies. Parts below support full harness fabrication, 8HP conversions, and turbo fuel system design.
E90 N54 DI Harness
Direct injection engine harness for N54 with Link G5 Voodoo Pro / MaxxECU Race integration.
E90 N55 Fuel System
High-performance fuel system for N55 with port + DI support and upgraded pump and injectors.
E90 8HP Conversion Kit
ZF 8HP conversion kit with TCU calibration and custom harness fabrication for N-series platforms.
E90 N54 ECU Calibration
DI-compatible ECU calibration for N54 — optimized for turbo upgrades and fuel system enhancements.
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