Skip to content

5 Star Google Reviews

Welcome to our store

Worldwide Shipping

Milltek Exhausts Now Available

Shop by Car
Shop by Brand
- A – C
  
  String Theory Garage
  ACL
  AIRTEC
  Akrapovic
  AP Racing
  ARTEC
  AST Suspension
  Bilstein
  BMC
  Carbotech Brakes
  Cargraphic
- C – F
  
  Cobra
  Coolerworx
  CP Pistons
  CSF
  CUSCO
  Denstoj
  DGS BLX
  Eibach
  Endless
  Evo Corse
  Ferodo
- G – J
  
  Garage Whifbitz
  Goodridge
  H&R
  Hardrace
  Hella
  HJS
  HKS
  iPE
  ITG
  JCR
- J – M
  
  JDM Garage UK
  Kelford Cams
  KW Suspension
  Lamspeed
  Lifeline
  Mantis
  Milltek
  Mishimoto
  MMX
  MOTON Suspension
  MOTUL
- N – R
  
  Nankang
  Nitron
  Nitto
  Ohlins
  Pagid
  PWR Advanced Cooling Technology
  PWRD
  Rally Flapz
  RAYS
  Recaro
- S – X
  
  Shortiez
  SW Motorsports
  Tarox
  TOM'S
  TSW
  Turbosmart
  Verkline
  Wagner Tuning
  Wedssport
  Xtreme
Shop by Part
- Braking
  
  Brake Discs
  Brake Pads
  Brake Hoses
- Engine & ECU
  
  ECU Map & Tuning
  Turbo
  Cooling
  Ignition Coils
  Other Engine/ECU
- Exterior & Trim
  
  Splitters & Diffusers
  Spoiler
- Intake & Exhaust
  
  Intake
  Exhaust
- Handling & Suspension
  
  Coilovers & Shock Absorbers
  Lowering Springs
  Anti Roll Bars
  Bushes and Bearings
  Roll Cage
- Seats & Interior
  
  Seats
  Harnesses
- Wheels & Tyres
  
  Wheels
  Tyres
  Spacers
- Drivetrain
  
  Gearbox & Clutch
Specialist Services
Apparel
About
Contact
Blog
AST Suspension

Country/region

Search

France GBP £
Singapore GBP £
United Kingdom GBP £
United States GBP £

Facebook
Instagram
YouTube

Search

Shop by Car
Shop by Brand
Shop by Part
Specialist Services
Apparel
About
Contact
Blog
AST Suspension

Search

Item added to your cart

View cart

Collection: BMW

You are now browsing for BMW Parts & Upgrades

Here at String... Read More

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.

Nearside rear view of a grey BMW M2 G87 with black alloy wheels & an Akrapovič Titanium twin pipe double round exhaust fitted

Sort by:

437 products

Filter and sort Filter

Filter and sort

Filter

437 products

Sort by:

Remove all

437 products

KW V5 Clubsport Coilovers - BMW G87 M2

KW V5 Clubsport Coilovers - BMW G87 M2

Vendor:
KW

Regular price £9,617.00 GBP

Regular price Sale price £9,617.00 GBP
KW V4 Clubsport Coilovers - BMW G87 M2

KW V4 Clubsport Coilovers - BMW G87 M2

Vendor:
KW

Regular price £6,803.00 GBP

Regular price Sale price £6,803.00 GBP
KW V4 Coilovers - BMW G87 M2

KW V4 Coilovers - BMW G87 M2

Vendor:
KW

Regular price £5,286.00 GBP

Regular price Sale price £5,286.00 GBP
KW V3 Coilovers - BMW G87 M2

KW V3 Coilovers - BMW G87 M2

Vendor:
KW

Regular price £2,709.00 GBP

Regular price Sale price £2,709.00 GBP
KW Height Adjustable Spring Kit - BMW G87 M2

KW Height Adjustable Spring Kit - BMW G87 M2

Vendor:
KW

Regular price £816.00 GBP

Regular price Sale price £816.00 GBP
Hardrace Rear Upper Adjustable Camber Arm Kit | BMW G8x M2, M3, M4

Hardrace Rear Upper Adjustable Camber Arm Kit | BMW G8x M2, M3, M4

Vendor:
Hardrace

Regular price £385.73 GBP

Regular price Sale price £385.73 GBP
MMX Height Adjustable Lowering Springs - BMW M2, M3, M4 (G8x) 2021 - Present

MMX Height Adjustable Lowering Springs - BMW M2, M3, M4 (G8x) 2021 - Present

Vendor:
AST

Regular price £887.03 GBP

Regular price Sale price £887.03 GBP
MMX Front Control Arm Spherical Bushings | BMW G8x M2, M3 & M4

MMX Front Control Arm Spherical Bushings | BMW G8x M2, M3 & M4

Vendor:
MMX

Regular price £299.99 GBP

Regular price ~~£288.00 GBP~~ Sale price £299.99 GBP
MMX Lowering Springs | BMW G99 M5 Touring xDrive (2024+)

MMX Lowering Springs | BMW G99 M5 Touring xDrive (2024+)

Vendor:
MMX

Regular price £359.99 GBP

Regular price Sale price £359.99 GBP
MMX Lowering Springs | BMW G20 M340i & M340d RWD

MMX Lowering Springs | BMW G20 M340i & M340d RWD

Vendor:
MMX

Regular price £255.52 GBP

Regular price Sale price £255.52 GBP
MMX Lowering Springs | BMW G20 M340i & M340d xDrive

MMX Lowering Springs | BMW G20 M340i & M340d xDrive

Vendor:
MMX

Regular price £255.52 GBP

Regular price Sale price £255.52 GBP
MMX Ultimate S58 Intake Solution | BMW G8x M2, M3 & M4

MMX Ultimate S58 Intake Solution | BMW G8x M2, M3 & M4

Vendor:
MMX

Regular price £997.22 GBP

Regular price Sale price £997.22 GBP
MMX Performance Oil Catch Can Kit | BMW N55 (F2x & F3x)

MMX Performance Oil Catch Can Kit | BMW N55 (F2x & F3x)

Vendor:
MMX

Regular price £440.28 GBP

Regular price Sale price £440.28 GBP
MMX High-Capacity Baffled Differential Sump | BMW G8x M2, M3 & M4 (S58)

MMX High-Capacity Baffled Differential Sump | BMW G8x M2, M3 & M4 (S58)

Vendor:
MMX

Regular price £1,439.99 GBP

Regular price Sale price £1,439.99 GBP
MMX Upgraded Aluminium VANOS Covers | BMW E90/E92/E93 M3 (S65)

MMX Upgraded Aluminium VANOS Covers | BMW E90/E92/E93 M3 (S65)

Vendor:
MMX

Regular price £395.99 GBP

Regular price Sale price £395.99 GBP
BMW M2 (G87) | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW M2 (G87) | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £4,663.79 GBP

Regular price Sale price £4,663.79 GBP
BMW M4 / M440i (G82 / G22) | Akrapovic | Fitting Kit for Mounting Rear Wing

BMW M4 / M440i (G82 / G22) | Akrapovic | Fitting Kit for Mounting Rear Wing

Vendor:
Akrapovic

Regular price £422.70 GBP

Regular price Sale price £422.70 GBP
BMW M3 / M340i (G80 / G20) | Akrapovic | Fitting Kit for Mounting Rear Wing

BMW M3 / M340i (G80 / G20) | Akrapovic | Fitting Kit for Mounting Rear Wing

Vendor:
Akrapovic

Regular price £422.70 GBP

Regular price Sale price £422.70 GBP
BMW M2 / M240i (G87 / G42) | Akrapovic | Fitting Kit for Mounting Rear Wing

BMW M2 / M240i (G87 / G42) | Akrapovic | Fitting Kit for Mounting Rear Wing

Vendor:
Akrapovic

Regular price £147.02 GBP

Regular price Sale price £147.02 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Octagonal Tail Pipe Set (Forged Carbon)

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Octagonal Tail Pipe Set (Forged Carbon)

Vendor:
Akrapovic

Regular price £1,953.52 GBP

Regular price Sale price £1,953.52 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Round Tail Pipe Set (Carbon)

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Round Tail Pipe Set (Carbon)

Vendor:
Akrapovic

Regular price £1,723.25 GBP

Regular price Sale price £1,723.25 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Octagonal Tail Pipe Set (Carbon)

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Octagonal Tail Pipe Set (Carbon)

Vendor:
Akrapovic

Regular price £1,860.54 GBP

Regular price Sale price £1,860.54 GBP
BMW M2 CS (F87N) | Akrapovic | Sound Kit

BMW M2 CS (F87N) | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £454.64 GBP

Regular price Sale price £454.64 GBP
BMW M2 Competition (F87N) | Akrapovic | Sound Kit

BMW M2 Competition (F87N) | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £745.94 GBP

Regular price Sale price £745.94 GBP

1
2
3
4
5
…
19

Quick links

Search
Delivery & Returns
Contact

Broke-Smith Motorsport Ltd is a company registered in England and Wales with Company number 08407237

Facebook
Instagram
YouTube

Payment methods

© 2026, String Theory Garage

Choosing a selection results in a full page refresh.
Opens in a new window.