Collection: 4 Series - New

Millway Motorsport BMW 1/2/3/4 Series F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 Front Wishbone/Lower Control Arm Inner Bushings - Sealed Uniball Spherical Bearings, CNC Aluminium - Pair - Fits M140i M135i M240i 330i 340i 440i - MW90510

MHC Plus SK1 Pre-Preg Carbon Fibre Side Skirts for BMW G80 M3 & G82 M4 Competition (2021+) – OEM-Style 3k 2x2 Gloss, UK-Made G8X

Maxton Design Gloss Black Rear Side Splitters (Rear Spats) for BMW 3 Series F30

Masata BMW F-Series N20 N26 N55 Stepped UHD Competition Intercooler Upgrade - M2, M135i, M235i, 335i, 435i (F20 F22 F30 F32) Direct-Fit Black

MFactory Helical Limited Slip Differential (Torsen LSD) for BMW E82 E88 E90 E91 E92 E93 E89 F20 F21 F22 F23 F30 F31 F32 F33 - Fits 135i 335i 335d M135i M235i 435i Z4 35i - MF-TRS-05E92

MFactory BMW 215 Diff Shim Kit for E82 E88 E90 E91 E92 E93 F20 F21 F30 F31 (M135i M235i 135i 335i 435i 335d Z4 35i) - For MFactory Helical LSD Backlash Setup - MF-TRS-SKE92

Masata Tuning Box for BMW 4 Series G22 M440i xDrive (2022+) – Plug & Play, Reversible Power Upgrade – Up to +43 hp / +105 Nm – Remap Alternative – Weatherproof – MST7006

Masata Plug & Play Tuning Box for BMW G80/G82 M3 & M4 (S58) 2021+ | Piggyback Performance Upgrade Up to +66hp/+76Nm | M3/M3 Competition, M4/M4 Competition | MST7000

MFactory BMW Final Drive Gear Set (Ring & Pinion) – 2.56 Final Drive Ratio Upgrade for E8X E9X F2X F3X: M135i, M235i, 135i, 335i, 435i (MT/DCT) | MF-TRS-02E25

MFactory Final Drive Ring & Pinion Gears for BMW E82 E88 E90 E91 E92 E93 F20 F21 F22 F23 F30 F31 (135i 335i 435i M135i M235i) - Shorter Ratio Performance Upgrade MF-TRS-02E28

MFactory BMW Differential Final Drive Ring & Pinion Gears 3.08 Ratio - E82 E88 135i, E90 E91 E92 E93 335i/335d, F20 F21 M135i, F22 F23 M235i, F30 F31 335i, 435i

Masata BMW B58 Catless Downpipe – High-Flow SS304 TIG-Welded Decat | M140i, M240i, 340i, 440i, 540i, 740i (F20/F21/F22/F30/F31/F32/F33/F36/G30/G11/G12) | Direct Fit OEM/Aftermarket | Stage 2 Ready | Lifetime Warranty | MST0013

Masata One-Piece Front Upper Strut Brace Bar for BMW F20 F21 F22 F23 F30 F31 F32 F33 F87 (1/2/3/4 Series, M135i M140i 318i 320i 328i 335i 340i, M2) - 3-Bolt & 5-Bolt - Black Aluminium

Masata BMW B48/B58 F20 F22 F23 F30 F31 F32 F33 F36 Performance Heat Exchanger - Charge Cooler Radiator Upgrade (M140i, M240i, 340i, 440i, 230i, 330i, 430i) MST0096

V-MAXX Autosport Lowering Springs for BMW 4 Series F32 F33 F36 (2013–2020) – 20–45mm Progressive Sport Drop – 420i 428i 430i 435i 440i 418d 420d 425d 430d

V-MAXX Lowering Springs for BMW 3 Series F30 (2011-2019) - Progressive Sport Spring Kit - 20-45mm Drop - Fits 316i 318i 320i 328i 330i 335i 340i 316d 320d 325d 330d

KW Variant 2 Coilover Kit for BMW F31 F34 F36 (3 Series Touring, 3 Series GT, 4 Series Gran Coupe) xDrive – Height & Rebound Adjustable inox-line – EDC Delete/Deactivation – Fits 340i/335i/440i/435i xDrive – PN 152200AE

KW Variant 3 (V3) Coilover Kit for BMW 4 Series F33 Convertible xDrive (428i, 430i, 435i, 435d, 440i) - Height Adjustable, Rebound & Compression Damping, Inox-Line Stainless | 352200BF/352200BG (2013+)

KW Variant 1 (V1) Coilover Kit for BMW 3 Series G21 Touring & 4 Series G22 Coupe xDrive – M340i/M340d/M440i/320d/330d/430d – Inox-Line Stainless Height Adjustable Suspension – Part No. 102200CZ

KW Variant 2 inox-line Coilover Kit for BMW F31 F34 F36 xDrive (3 Series Touring, 3 Series GT, 4 Series Gran Coupe) – Height & Rebound Adjustable – 152200AC

KW Variant 2 Coilover Kit for BMW 4 Series F33 Convertible xDrive (428i 430i 435i 440i 435d) – Height & 16-Click Rebound Adjustable, Inox-Line Stainless | PN 152200BF

KW Variant 1 (V1) Inox-Line Coilover Kit for BMW 4 Series F33 xDrive Convertible – Height Adjustable Stainless Steel – Fits 428i xDrive, 430i xDrive, 435i xDrive, 440i xDrive, 435d xDrive

KW Variant 4 (V4) Coilover Kit for BMW G80 M3/M3 Competition & G82 M4/M4 Competition – 3-Way Damping, Height Adjustable, with EDC Delete/Deactivation Module – Part 3A7200EB

KW Suspension Variant 2 (V2) Coilover Kit for BMW G21 G22 (3 Series Touring, 4 Series Coupe) - Inox-Line, Height & Rebound Adjustable, with EDC Deactivation Kit - Fits 320d/330d xDrive, 430d xDrive, M340i/M340d xDrive, M440i xDrive

KW V1 Variant 1 Coilover Kit for BMW 4 Series F33 Convertible xDrive AWD (2013+) - EDC Delete/Deactivation Included - Inox-Line Stainless - Fits 428i/430i/435i/440i xDrive & 435d xDrive

KW Suspension Variant 2 Coilover Kit for BMW 4 Series F33 Convertible xDrive (428ix/430ix/435ix/440ix, 435dx) - Electronic Damper Deactivation (EDC Delete), Inox-Line, Height & Rebound Adjustable - Part No. 152200BG

KW Variant 2 Inox-Line Coilover Kit for BMW 3 Series G21 Touring & 4 Series G22 Coupe (M340i xDrive, M440i xDrive, 320d xDrive, 330d xDrive) – 16-Click Rebound Adjustable, Height Adjustable – Part No. 152200CZ

KW Variant 2 (V2) Inox-Line Coilover Kit for BMW F31 F34 F36 (3 Series Touring, 3 Series GT, 4 Series Gran Coupe) - Height & Rebound Adjustable - Includes Electronic Damper Deactivation/EDC Delete - Fits 335i 340i 435i 440i Petrol & Diesel

KW Variant 2 V2 inox-line Coilover Kit for BMW F31 F34 F36 - Height & Rebound Adjustable, EDC Delete - 3 Series Touring/GT & 4 Series Gran Coupe (335i 340i 430i 435i)

KW Suspension Variant 2 (V2) inox-line Coilover Kit for BMW F31 F34 F36 (3 Series Touring, 3 Series GT, 4 Series Gran Coupe) - Height & Rebound Adjustable - Fits 335i 340i 435i 440i - Part No. 1522000J

KW Variant 2 (V2) Inox-Line Coilover Kit for BMW F30 F32 3 Series & 4 Series xDrive - Height & Rebound Adjustable Stainless Steel - Fits 335ix 340ix 435ix 440ix - 1522000S

HEL Performance BMW N54 N55 S55 Billet Aluminium Oil Thermostat Housing Cover Cap - CNC Machined - Fits 135i 335i 435i M2 M3 M4