Complete your 4 Series' aerodynamic profile with the Suvneer M-Tech Rear Bumper Splitters.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with M-Sport rear bumper.
Give your 4 Series the aggressive rear profile it deserves with the Suvneer M-Tech Style Diffuser.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with M-Sport rear bumper.
Enables the control of a single electronic exhaust valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
Increase of +62 Horsepower, and +65 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +90 Horsepower, and +90 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade Your F30's Braking Capabilities with ECS V5 Slotted Rotors and ECS EP24 Enthusiast Performance pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For Vehicles with Factory Grey Single-Piston Calipers For Vehicles with Factory Grey Single-Piston Calipers
Brand:
ES#:
4745250
Mfg#:
3411685500SKT
Ships in 6 Business Days
ON SALE!
$1164.99
This product was last offered at the strikethrough price on 05-02-2026
Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with standard brakes (Without M-sport or M-Performance)
Brand:
ES#:
4810600
Mfg#:
34216864900-S
Ships in 6 Business Days
ON SALE!
$359.99
This product was last offered at the strikethrough price on 06-13-2026
Maximize performance and style with massive weight savings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Modification of the Rear Bumper Required w/ 4x76mm tips
Replaces you factory intercooler for lower temps and improved airflow. Includes upgraded charge pipes.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For manual transmission only
Improve your interior's styling and make shifting easier with MMX magnetic aluminum shifter paddles!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with an M Performance steering wheel only
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes adapter pipe for 4-Cyl models (weld recommended) - 6-Cyl rear diffuser or modifications to existing diffuser required
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes adapter pipe for 4-Cyl models (weld recommended) - 6-Cyl rear diffuser or modifications to existing diffuser required
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes adapter pipe for 4-Cyl models (weld recommended) - 6-Cyl rear diffuser or modifications to existing diffuser required
This "Plug & Play" system uses a wireless remote control switch with four modes, allowing you to trigger your front brake lock from a handheld remote.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
