2020 BMW M340i xDrive Base Performance Parts

Spool Performance is proud to introduce our upgraded DI injectors for the Toyota Supra Gen2 B58 Platform. The IFX 350X is the highest flowing Gen2 B58 injector on the market and is carefully sized for the B58 Gen2 engine to keep stock-like idle and...

Looking for a way to do burnouts in your ATC13-2 Equipped Xdrive BMW that doesn’t have an RWD mode such as G-Series non-M vehicles, and SUVs? We were too! VTT is proud to offer the ONLY easy-to-install, plug, and-play Xdrive controller on the market....

Spool Performance 8HP45, 8HP50, 8HP51 Stage 2 Upgraded Transmission DIY Parts Kit After over a year of rigorous testing, Spool Performance proudly presents our Stage 2 Transmission Kits for the 8HP45, 8HP50, and 8HP51 series transmissions. Engineered to surpass the limitations of stock components,...

We have been getting a lot of requests to have the DIY Kits installed and transmissions built at Spool Performance and we are listening and adding that option for everyone.  This listing includes parts and labor for overhauling a ZF8HP45/50/51 in good working condition...

Spool Performance Aluminum 8HP Transmission Oil Pan (2 Quarts of fluid over stock!)  The Spool Performance Aluminum 8HP Transmission Oil Pan is a high-quality upgrade engineered for drivers who demand the best from their vehicles. Designed specifically for ZF 8HP automatic transmissions, this oil...

VTT-FAB B58 Factory Control EWG Top Mount Single Turbo kit For BMW G-Series & Toyota A91 6-Port B58 Platforms VTT-FAB is proud to offer the premiere top-mount single turbo system for the BMW G-Series and Toyota A91 B58 platforms. This kit is 100% made...

Spool Performance Charge Pipe Upgrade Kit For 2016–2024 F & G Series M140i, M240i, 340i, 440i, 540i, 740i, X3 & X4 BMWs with the B58 Engine Gen 1 & Gen 2 Give your B58 the performance and durability it deserves with the Spool Performance...

WE CANNOT GUARANTEE FITMENT ON YOUR 2025 BMW B58, PLEASE BE SURE TO CHECK YOUR DIAGRAM AND MAKE SURE THIS MODEL IS A COMPATIBLE MODEL. WE CAN ASSIST, JUST SEND YOUR VIN TO US. Designed Exclusively for Gen 3 B58 Models Spool Performance downpipes...

Spool Performance B58 Engine Build Program DO NOT CALL. After careful consideration and increasing demand from our customers, we are proud to officially launch our B58 Engine Build Program. For years, we refrained from offering engine build services publicly due to market conditions where...

Spool Performance B58 Gen 2 / S58 Plug-and-Play Reflex+ Harness The Spool Performance Plug-and-Play Harness is the ultimate solution for installing a Motiv Reflex+ on your B58 Gen 2 or S58-powered vehicle—no cutting, splicing, or depinning required. Unlike traditional installs that require tapping into...

Spool Performance Billet Aluminum 8HP Transmission Oil Pan Service Kit Our billet transmission oil pan service kit comes with: New oil pan gasket New oil pan bolts New oil pan drain plug New oil pan filter Servicing your 8HP transmission is a key factor...

Spool Performance 8HP45 / 8HP50 / 8HP51 upgraded billet 7075-T6 D Clutch Drum The factory A380 cast-aluminum D-drum in the ZF 8HP45/50/51 is one of the weak links once power levels rise—prone to cracking, distortion, and oil starvation under high load and high RPM...

Spool Performance B58/S58 Plug and Play Ethanol Sensor Harness Connect our ethanol sensor harness to your ethanol sensor and your fuel controller. Our harness makes everything seemingly plug and play, no splicing or cutting of any wires. One side connects straight on the GM...

Spool Performance B58 Gen 1 Plug-and-Play Reflex+ Install Harness The Spool Performance Plug-and-Play Install Harness is the ultimate solution for installing a Motiv Reflex+ on your B58 Gen 1 -powered vehicle—no cutting, splicing, or depinning required. Why choose our harness over others? What sets...

Spool Performance ZF 8HP45 / 8HP50 / 8HP51 Billet 300M C-Hub Cog Drive The factory C-hub cog drive in ZF 8HP45, 8HP50, and 8HP51 transmissions is produced from cast steel. While adequate at stock power levels, casting brings inherent weaknesses—porosity, uneven grain structure, and...