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Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: This is newly released Performante Vacuumed Carbon Fiber Aero Splitters for the  F82 M4. Designed to screw directly into the lower factory bumper mounting location for a simple and fast installation. This carbon fiber lip is made with 3K twill weave carbon fiber...

Description: The RennTech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper sport sound that keeps with character of a luxury performance vehicle. Included in the R2 Package are...

Description: This is newly released Performante Vacuumed Carbon Fiber Aero Splitters for the  F80 M3. Designed to screw directly into the lower factory bumper mounting location for a simple and fast installation. This carbon fiber lip is made with 3K twill weave carbon fiber...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: AutoTecknic Carbon Fiber Rear Bumper Trim is tailored for the F80 M3 to bring the performance styling to the next stage. These AutoTecknic Carbon Fiber Rear Bumper Trims will attract attention with its sharp curvature while being aesthetically pleasing to the eye with...

Description: AutoTecknic Carbon Fiber Rear Bumper Trim is tailored for the F82 M4 to bring the performance styling to the next stage. These AutoTecknic Carbon Fiber Rear Bumper Trims will attract attention with its sharp curvature while being aesthetically pleasing to the eye with...

Description: AutoTecknic Carbon Fiber Rear Bumper Trim is tailored for the F83 M4 to bring the performance styling to the next stage. These AutoTecknic Carbon Fiber Rear Bumper Trims will attract attention with its sharp curvature while being aesthetically pleasing to the eye with...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: This set of AutoTecknic carbon fiber front bumper splitters for the E90 M3 sedan. This carbon fiber splitter is made with 3K twill weave carbon fiber and of 100% true vacuum technology for the ultimate light-weight, high-durability and precise fitment. Designed to screw...

Description: This set of AutoTecknic carbon fiber front bumper splitters for the E92 M3 sedan. This carbon fiber splitter is made with 3K twill weave carbon fiber and of 100% true vacuum technology for the ultimate light-weight, high-durability and precise fitment. Designed to screw...

Description: This set of AutoTecknic carbon fiber front bumper splitters for the E93 M3 sedan. This carbon fiber splitter is made with 3K twill weave carbon fiber and of 100% true vacuum technology for the ultimate light-weight, high-durability and precise fitment. Designed to screw...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: The all new AutoTecknic Carbon Competition Front Aero Lip for the BMW F82 M4. Manufactured using 100% genuine 3K Twill Weave (2X2) Carbon Fiber, this lip is then finished off with multiple coating of high gloss UV resistant clear coat. Following the weight...

Description: The all new AutoTecknic Carbon Competition Front Aero Lip for the BMW F83 M4. Manufactured using 100% genuine 3K Twill Weave (2X2) Carbon Fiber, this lip is then finished off with multiple coating of high gloss UV resistant clear coat. Following the weight...

Description: The all new AutoTecknic Carbon Competition Front Aero Lip for the BMW F80 M3. Manufactured using 100% genuine 3K Twill Weave (2X2) Carbon Fiber, this lip is then finished off with multiple coating of high gloss UV resistant clear coat. Following the weight...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. RennTech Sport Mufflers are made out of T-304 stainless...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: This is AutoTecknic's newly developed dry carbon fiber competition brake air ducts for the F82 M4. Similar to the brake air ducts found on the factory GT4 race car, it's designed to mount directly onto the front bumper on the F82 M4. Dry...

Description: This is AutoTecknic's newly developed dry carbon fiber competition brake air ducts for the F83 M4. Similar to the brake air ducts found on the factory GT4 race car, it's designed to mount directly onto the front bumper on the F83 M4. Dry...

Description: This is AutoTecknic's newly developed dry carbon fiber competition brake air ducts for the F80 M3. Similar to the brake air ducts found on the factory GT4 race car, it's designed to mount directly onto the front bumper on the F80 M3. Dry...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port...

Description: This is AutoTecknic's newly developed dry carbon fiber competition brake air ducts for the F87 M2. Similar to the brake air ducts found on the factory GT4 race car, it's designed to mount directly onto the front bumper on the F87 M2. Dry...