2018 BMW X4 M40i Performance Parts

VTT “Spline Lock” Crank Hub System - N54 / N55 / S55 VTT is proud to offer the only complete crank hub solution for BMW N54, N55, and S55 engines that does not require drilling the crankshaft for pins. Our innovative hub features proprietary...

Here at VTT we have been painfully aware of the relatively poor choices for motor mount upgrades for the N5X platform for quite a while. While there are some options on the market, they are either A. Expensive, B. simply do not fit well,...

We are happy to release our BMW B54/N55 (Limited N55 Fitment) vacuum/boost adapter. These go inline with the Throttle Body fitting and provide a full boost/vacuum signal from the manifold. This fitting adds two 1/8NPT bungs to accept any fitting that has 1/8″ NPT...

VTT BILLET BMW N54/55 Crank Seal Guard. It is a well-known issue on the BMW N54/N55/S55 platforms that your serpentine belt can fail for various reasons, when this happens you have a high chance of the belt getting sucked behind the front damper, and...

Looking to maximize your E9/8X BMW for drag racing? Want to be able to dial in the perfect amount of compression or rebound on your launch? The VTT Double adjust drag shock kit is just want the doctor ordered! On RWD cars you want...

VTT S55/N55 EWG Billet Aluminum Valve Cover Performance. Durability. Style. VTT is proud to introduce the S55/N55 EWG Billet Aluminum Valve Cover - engineered for enthusiasts who demand performance and reliability without compromising design. Whether you’re replacing an aging OEM plastic cover or running...

The stock outlet adapter on the N54/55 is NOTORIOUS for cracking when removing. This Billet replacement ensures no leaks, and no more cracked adapters. Available in 6 colors! Black, Red, Clear, Blue, Purple, Gold Kit Includes 1 - Coolant Adapter 1 - Clamp Fitment...

Looking to ditch your factory wheel lugs and upgrade to a high-quality stud kit - whether for track use or simply to make wheel changes faster and easier? VTT has you covered with our Wheel Stud Conversion Kits, engineered for strength, reliability, and long-term...

VTT N54/N55 Billet Power Steering Pulley A well-known issue on the N54 and early N55 engines with hydraulic power steering is the factory plastic pulley. These pulleys are notorious for either contacting the subframe or simply failing on their own. When that happens, the...

VTT Billet Coolant Reservoir Cap - BMW Upgrade your engine bay and eliminate the factory plastic with the VTT Billet Coolant Reservoir Cap. This CNC-machined aluminum cap replaces the OEM plastic unit, giving you strength, style, and long-term durability while retaining all OEM functionality....

VTT “Ultimate” Front Drag Brake Kit E-Series & F-Series BMW Looking to make your E or F-Series BMW faster in the 1/4-mile or 1/2-mile? Want to run 17″ or even 15″ front wheels? Want to drop OVER 54 lbs of unsprung weight off the...

VTT Ultimate Rear 15” Brake Conversion Kit BMW E8X / E9X VTT is proud to introduce our Ultimate Rear 15” Brake Conversion Kit for the E8X/E9X platform. We took what already exists on the market and made it more complete, more performance-oriented, and purpose-built...

VTT Carbon Fiber Driveshaft for BMW Applications Why overpay for a carbon fiber BMW driveshaft? VTT is proud to offer a premium carbon fiber driveshaft manufactured exclusively for VTT in the USA by GCDS (Gulf Coast Driveshaft) - one of the premier driveshaft manufacturers...

VTT Billet DCT Transmission Pan VTT is proud to offer our Billet Aluminum DCT Transmission Pan - the ultimate upgrade over the factory plastic pan. CNC-machined from 6061-T6 aluminum and anodized in a variety of colors, this pan not only adds strength and durability...

What is the FX-200? The FX-200 is a Stage 2 upgraded high-pressure fuel pump for the BMW F chassis N55 motor that replaces our existing FX180 offering. The pump features a bigger bore size than stock that translates into roughly double the flow when...