Find Parts That Fit Your Vehicle

BMW StopTech Big Brake Kits



Even the average BMW enthusiast can quickly exceed the stock brake's performance threshold. Factor in increased horsepower, better suspensions, stickier tires, and multiple high speed stops any stock braking system will show its shortcomings. Stock brakes were designed to be used in day-to-day traffic with light pedal pressure and stops from low speeds. They are absolutely unsuitable for regular hard use, either on the street or a racetrack.

Upgrading pads is only the first step - it works for most people who do not regularly push their cars to the absolute limit. But all cars capable of serious speeds should have serious brakes. The real key to better brakes is heat management and bigger is better. Brake rotors act as heat banks - a larger rotor simply has more capacity to store heat. StopTech has also designed their discs with better internal cooling vanes to dissipate the heat faster. Combined with aluminum calipers and rotor hats, this all combines to prevent heat from being trapped and soaking into the components. If not sufficiently released, heat soak will eventually reach into the brake fluid, causing more serious and immediate braking issues. Their engineeering and expertise is why you will find StopTech Brakes on our Turner Motorsport racecars and has led them to Tier 1 OEM status (a direct supplier to several vehicle manufacturers), four industry patents, and TUV and ISO/TS Quality Management System certification for brake systems and components. StopTech Brakes are among the best in the world for performance and racing braking systems. Made in the USA.

Additional Info:
StopTech Brakes Overview
Wheel to Caliper Clearance Charts

StopTech Rear 4-Piston Big Brake Kit - E46 M3
StopTech Rear 4-Piston Big Brake Kit - E46 M3
Position: RearCaliper: 4-piston ST40Colors: black, red, s...
StopTech - Corporate Logo
T#:398022
Part#: E46M3STBBK8
Direct Ship
Starting at $2,339.10
Starting at $2,339.10

Position: Rear
Caliper: 4-piston ST40
Colors: black, red, silver, blue, yellow
Rotors: 355x32mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the E46 M3 is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.



StopTech E46 M3 Brake Kit Applications:
2001-2006 E46 M3

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!

StopTech 6-Piston Front Big Brake Kit - E46 M3
StopTech 6-Piston Front Big Brake Kit - E46 M3
Position: FrontCaliper: 6-piston ST60Colors: black, red, ...
StopTech - Corporate Logo
T#:397818
Part#: E46M3STBBK5
Direct Ship
Starting at $3,325.50
Starting at $3,325.50

Position: Front
Caliper: 6-piston ST60
Colors: black, red, silver, blue, yellow
Rotors: 380x32mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the E46 M3 is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.



StopTech M3 Brake Kit Applications:
2001-2006 E46 M3 Non-Competition Pkg

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!

StopTech Rear Big Brake Kit - E70 X5, E71 X6
StopTech Rear Big Brake Kit - E70 X5, E71 X6
Position: Rear (must be used with front StopTech kit)Cali...
StopTech - Corporate Logo
T#:340069
Part#: 83.166.0058
Direct Ship
Starting at $2,875.50
Free Shipping
Starting at $2,875.50
Free Shipping

Position: Rear (must be used with front StopTech kit)
Caliper: 4-piston ST41
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 380x32, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Rear Big Brake Kit for the E70 X5 and E71 X6 is engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels:
Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better.

Big brake kits have larger components than the factory brakes. Some wheel designs and sizes may not clear without wheel spacers. StopTech has produced a template that has all of the critical dimensions of this brake kit. You can download and print it here and then check the clearance on your wheels.

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide



Rear StopTech Brake Kit Applications:
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i
2008-2014 E71 BMW X6 xDrive35i


We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!


StopTech 4-Piston Rear Big Brake Kit - E9X 335
StopTech 4-Piston Rear Big Brake Kit - E9X 335
Position: RearCaliper: 4-Piston ST40Colors: black, red, ...
StopTech - Corporate Logo
T#:398760
Part#: E9XSTBBK13
Direct Ship
Starting at $2,182.90
Starting at $2,182.90

Position: Rear
Caliper: 4-Piston ST40
Colors: black, red, silver, blue, yellow
Rotors: 345x28mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the F30 is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.


Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.



E9X 330/335 Rear StopTech Brake Kit Applications:
2006 E90 330i 330xi
2007-2011 E90 335i 335xi 335i xDrive - sedan
2007-2011 E92 335i 335is 335xi 335i xDrive - coupe
2007-2011 E93 335i 335is 335xi 335i xDrive -convertible

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!


StopTech Rear Big Brake Kit - F30 335I 2012+
StopTech Rear Big Brake Kit - F30 335I 2012+
Position: Rear (must be used with matching StopTech front...
StopTech - Corporate Logo
T#:340075
Part#: 83.B33.004G
Direct Ship
Starting at $2,515.50
Free Shipping
Starting at $2,515.50
Free Shipping

Position: Rear (must be used with matching StopTech front kit)
Caliper: 4-piston ST40
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 345x28mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Rear Big Brake Kit for the F30 335i 335xi is engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Big brake kits have larger components than the factory brakes. Some wheel designs and sizes may not clear without wheel spacers. StopTech has produced a template that has all of the critical dimensions of this brake kit. You can download and print it here and then check the clearance on your wheels.

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide



F30 StopTech Rear Brake Kit Applications:
2012+ F30 BMW 335i - Sedan


We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!

StopTech Front 4-Piston Big Brake Kit - E36, E46 323,325, 328
StopTech Front 4-Piston Big Brake Kit - E36, E46 323,325, 328 ...
Position: FrontCaliper: 4-Piston ST40Colors: black, red, ...
StopTech - Corporate Logo
T#:398295
Part#: E3646STBBK1
Direct Ship
Starting at $2,335.50
Free Shipping
Starting at $2,335.50
Free Shipping

Position: Front
Caliper: 4-Piston ST40
Colors: black, red, silver, blue, yellow
Rotors: 332x32mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the E36/E46 is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.


Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.



StopTech E36, E46 Brake Kit Applications:
1997-2000 E36, E46 323Ci, 323I, 323iC, 323iS
1991-2006 E36, E46 325Ci, 325i
1991-2006 E36, E46 328Ci, 238i

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!


StopTech Front Big Brake Kit (380mm) - E70 X5 E71 X6
StopTech Front Big Brake Kit (380mm) - E70 X5 E71 X6
Position: FrontCaliper: 6-piston ST60Colors: black, red, ...
StopTech - Corporate Logo
T#:340073
Part#: 83.B31.6800
Direct Ship
Starting at $3,325.50
Free Shipping
Starting at $3,325.50
Free Shipping

Position: Front
Caliper: 6-piston ST60
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 380x32, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the BMW E70 X5 and E71 X6 is engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better

Big brake kits have larger components than the factory brakes. Some wheel designs and sizes may not clear without wheel spacers. StopTech has produced a template that has all of the critical dimensions of this brake kit. You can download and print it here and then check the clearance on your wheels.

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide



Front StopTech Brake Kit Applications:
2007-2013 E70 BMW X5 4.8i X5 xDrive35d X5 xDrive35i X5 xDrive48i
2008-2014 E71 BMW X6 xDrive35i

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!

StopTech Front Big Brake Kit (380mm) - E70 X5 3.0i xDrive30i
StopTech Front Big Brake Kit (380mm) - E70 X5 3.0i xDrive30i ...
Position: FrontCaliper: 6-piston ST60Colors: black, red, ...
StopTech - Corporate Logo
T#:340070
Part#: 83.166.6800
Direct Ship
Starting at $3,325.50
Free Shipping
Starting at $3,325.50
Free Shipping

Position: Front
Caliper: 6-piston ST60
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 380x32, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the BMW E70 X5 is engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels:
Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better.

Big brake kits have larger components than the factory brakes. Some wheel designs and sizes may not clear without wheel spacers. StopTech has produced a template that has all of the critical dimensions of this brake kit. You can download and print it here and then check the clearance on your wheels.

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide



Front StopTech Brake Kit Applications:
2007-2013 E70 BMW X5 3.0si X5 xDrive30i

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!


StopTech Rear Trophy Dual Piston Big Brake Kit - E34, E46 323, 325, 328
StopTech Rear Trophy Dual Piston Big Brake Kit - E34, E46 323, 325, ...
Position: RearCaliper: Dual Piston Trophy STRColors: Natu...
StopTech - Corporate Logo
T#:398359
Part#: E3646STBBK5
Direct Ship
Starting at $2,835.00
Free Shipping
Starting at $2,835.00
Free Shipping

Position: Rear
Caliper: Dual Piston Trophy STR
Colors: Natural Anodized
Rotors: 328x28mm, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the E36/E46 is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.


Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.



StopTech E36, E46 Brake Kit Applications:
1997-2000 E36, E46 323Ci, 323I, 323iC, 323iS
1991-2006 E36, E46 325Ci, 325i
1991-2006 E36, E46 328Ci, 238i

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!


F2X/F3X Front 355 StopTech 6-Piston Big Brake Kit
F2X/F3X Front 355 StopTech 6-Piston Big Brake Kit
Position: FrontCaliper: 6-piston ST60Colors: black, red, ...
StopTech - Corporate Logo
T#:340076
Part#: 83.B33.6700
Direct Ship
Starting at $3,055.50
Free Shipping
Starting at $3,055.50
Free Shipping

Position: Front
Caliper: 6-piston ST60
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 355x32, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the 335i is engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels. Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better!

Big brake kits have larger components than the factory brakes. Some wheel designs and sizes may not clear without wheel spacers. StopTech has produced a template that has all of the critical dimensions of this brake kit. You can download and print it here and then check the clearance on your wheels.

Brake FAQs
Brake Pad Buying Guide
Brake Rotor Buying Guide

We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!

StopTech Front Big Brake Kit - E9X 325xi, 328xi 2006-2007
StopTech Front Big Brake Kit - E9X 325xi, 328xi 2006-2007
Position: FrontCaliper: 6-piston ST60Colors: black, red, ...
StopTech - Corporate Logo
T#:340071
Part#: 83.167.6700
Direct Ship
Starting at $3,055.50
Free Shipping
Starting at $3,055.50
Free Shipping

Position: Front
Caliper: 6-piston ST60
Colors: black, red, silver, blue, yellow, custom (call)
Rotors: 355x32, cross-drilled or slotted
Also Included: stainless steel brake lines, StopTech Street Performance pads, hardware

StopTech Brakes puts championship-winning race technology and state-of-the-art engineering under your feet. StopTech's Front Big Brake Kit for the 325xi/328xi is a model-specific brake upgrade engineered to work with the stock brake hydraulics and ABS/DSC system. StopTech builds each kit around the specific vehicle, engineering the system to achieve the correct brake balance. This brake upgrade gives better stopping performance in everyday driving, aggressive street driving, or all-out track days. By increasing the rotor size, using a larger pad, and a fixed forged aluminum caliper, you can improve your braking performance substantially for any condition! StopTech Brakes have been used on Turner Motorsport racecars since 2003, winning 5 sports car championships and recording numerous race wins since.

Safety Improvements from A Big Brake Kit:
+ Caliper design improves brake application and increases torque - braking is stronger meaning shorter stopping distances and faster response
+ Vehicle-specific design - improves brake feel with a firmer pedal
+ Larger and thicker rotors - less fade and longer pad and rotor life

Advantages of a StopTech Big Brake Kit:
+ extremely strong caliper and mounting system - reduces flex and deflection, improving torque application to the disc
+ Several color options available
+ Vehicle-specific calipers that maintain correct brake proportioning and balance
+ AeroRotor patented vaning for superior air flow
+ Cross-Drilled for street use or Gas-Slotted for street or track use
+ Billet aluminum mounting hats for superior strength over steel
+ DOT-compliant stainless steel brake lines
+ Street Performance brake pads that work on both street and light track use

Maximizing brake efficiency by braking with all four wheels... Sounds obvious right? Many bolt-on caliper upgrades and other big brake kits are not built with the specific vehicle's dynamics in mind. With too much braking force on the front, rear traction is compromised. And vice-versa. Brake traction is better when all four tires are doing the work. Most BMWs have 50-50 weight distribution so the correct braking proportioning is crucial! StopTech engineers each kit around that vehicle's dynamics by altering the size and number of pistons in the caliper to match the rotor size used in the kit. Bigger is not always better...

Brake FAQs

Brake Pad Buying Guide

Brake Rotor Buying Guide


Wheel Fitment Guides: Wheel spoke-to-brake caliper clearance is critical since the new caliper is physically larger and the in a different position. StopTech has produced these cutaway diagrams for you to print and place on the backside of your wheel to check for clearance. Wheels that do not clear will need a wheel spacer. The minimum recommended clearance between the wheel and caliper is 3mm.
2006-2007 E90 E92 325xi, 328xi - front 6-piston/355mm rotor

StopTech Brake Kit Applications:
2006-2007 E90 BMW 325xi 328xi - Sedan
2006-2007 E91 BMW 325xi 328xi - Wagon
2006-2007 E92 BMW 328xi Coupe


We will meet or beat any advertised price for StopTech Big Brake Kits! Call or e-mail us with the published pricing that you found and we will do our best to not only match that price but actually beat it!