Collection: BMW
You are now browsing for BMW Parts & Upgrades
Here at String Theory Garage we stock a large and ever expanding range of BMW Parts. A complete range of upgrades, all tested, developed and proven. From Suspension upgrades to ECU tuning we have you covered. Parts and Upgrades available for BMW M1 | M2 | M3 | M4 | M5 | M135i | M140i | M235i | M240i |1 Series | 2 Series | 3 Series | 4 Series | 5 Series & More
We also offer full fitting with ride-height, corner balancing, and geometry setup as well as other services from our garage in Stratford upon Avon.
Upgrade your BMW's agility with top-tier performance parts & expert geometry setup - unleash unparalleled handling and speed today at String Theory Garage.
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Milltek OPF/GPF Back Exhaust System for BMW M2 F87 Competition - EC Approved
Regular price From £1,967.01 GBPRegular priceSale price From £1,967.01 GBP -
Milltek Hollowtek Twin Valved Exhaust System for BMW M2 F87 - EC Approved
Regular price From £2,329.69 GBPRegular priceSale price From £2,329.69 GBP -
Milltek OPF/GPF Back Race Exhaust System for BMW F80 M3 - OPF/GPF Models
Regular price From £1,735.47 GBPRegular priceSale price From £1,735.47 GBP -
Milltek OPF/GPF Back Exhaust System for BMW F80 M3 - OPF/GPF Models
Regular price From £1,735.47 GBPRegular priceSale price From £1,735.47 GBP -
Milltek Cat Back Race Exhaust System for BMW F80 M3 - Non OPF/GPF Model
Regular price From £1,823.90 GBPRegular priceSale price From £1,823.90 GBP -
Milltek Cat Back Equal Length (Loudest) Exhaust System for BMW F80 M3 - Non OPF/GPF Model
Regular price From £1,806.38 GBPRegular priceSale price From £1,806.38 GBP -
Milltek Cat Back Exhaust System for BMW F80 M3 - Non OPF/GPF Model
Regular price From £1,821.75 GBPRegular priceSale price From £1,821.75 GBP -
Cargraphic Exhaust Valve Controller for BMW F20 F21 M135i M140i
Regular price £390.83 GBPRegular priceSale price £390.83 GBP -
MMX Magnetic oil sump plug for BMW & MINI
Regular price £24.20 GBPRegular priceSale price £24.20 GBP -
MMX Performance Stud & Nut Conversion Kit for BMW & MINI M14x1.25
Regular price £131.04 GBPRegular priceSale price £131.04 GBP -
MMX Locking Tapered Seat Wheel Nut Kit for BMW
Regular price £39.99 GBPRegular priceSale price £39.99 GBP -
Cargraphic Exhaust Valve Controller for BMW G8X & F8X M2 M3 M4
Regular price £390.83 GBPRegular priceSale price £390.83 GBP -
AST Front Adjustable Top Mounts / Camber Plates Set of 2 - BMW G8X M2 M3 M4 2021 - Present
Regular price £704.17 GBPRegular price£730.00 GBPSale price £704.17 GBPSale -
BMW M2 (G87) & M240i (G42) Akrapovic Rear Wing Forged Carbon Fibre
Regular price £2,903.90 GBPRegular priceSale price £2,903.90 GBP -
BMW M2 (G87) & M240i (G42) Akrapovic Rear Wing Carbon Fibre
Regular price £3,324.32 GBPRegular priceSale price £3,324.32 GBP -
AST MOTON Front Control Arm Bearing Set of 2 - BMW G8X M2 M3 M4 2021 - Present
Regular price £228.00 GBPRegular price£240.00 GBPSale price £228.00 GBPSale -
BMW M2 M3 M4 (G87 G80 G81 G82 G83) Akrapovic Downpipe without Cat Stainless Steel
Regular price £1,711.21 GBPRegular priceSale price £1,711.21 GBP -
BMW M2 M3 M4 (G87 G80 G81 G82 G83) Akrapovic Downpipe with Cat Stainless Steel
Regular price £2,911.62 GBPRegular priceSale price £2,911.62 GBP -
BMW M2 M3 M4 (G87 G80 G81 G82 G83) Akrapovic Evolution Link Pipe Set (Stainless Steel - Long)
Regular price £1,216.21 GBPRegular priceSale price £1,216.21 GBP -
BMW M2 M3 M4 (G87 G80 G81 G82 G83) Akrapovic Evolution Link Pipe Set (Titanium - Long)
Regular price £1,762.30 GBPRegular priceSale price £1,762.30 GBP -
BMW M2 (G87) Akrapovic Rear Carbon Fibre Diffuser Forged Matte
Regular price £1,319.81 GBPRegular priceSale price £1,319.81 GBP -
Mishimoto Skid Plate - BMW G8X M2 M3 M4 2021 - Present
Regular price £291.67 GBPRegular price£368.00 GBPSale price £291.67 GBPSale -
AST MOTON Front Arch Clearance Kit - BMW M3 (G80/1) M4 (G82/3) M2 (G87)
Regular price £110.00 GBPRegular priceSale price £110.00 GBP -
AST Adjustable Drop Links - BMW 2 Series F22 (M235i & M240i)
Regular price £150.00 GBPRegular priceSale price £150.00 GBP













