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
  ST Suspension
  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:

541 products

Filter and sort Filter

Filter and sort

Filter

541 products

Sort by:

Remove all

541 products

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Evolution Link Pipe Set (Titanium)

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Evolution Link Pipe Set (Titanium)

Vendor:
Akrapovic

Regular price £2,057.66 GBP

Regular price Sale price £2,057.66 GBP
BMW X4 M / Competition (F98) | Akrapovic | Tail Pipe Set (Carbon)

BMW X4 M / Competition (F98) | Akrapovic | Tail Pipe Set (Carbon)

Vendor:
Akrapovic

Regular price £1,431.53 GBP

Regular price Sale price £1,431.53 GBP
BMW X3 M / Competition / X4 M / Competition (F97 / F98) | 2020 | Akrapovic | Sound Kit

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | 2020 | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £446.85 GBP

Regular price Sale price £446.85 GBP
BMW X3 M / Competition / X4 M / Competition (F97 / F98) OPF/GPF | Akrapovic | Sound Kit

BMW X3 M / Competition / X4 M / Competition (F97 / F98) OPF/GPF | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £378.87 GBP

Regular price Sale price £378.87 GBP
BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £3,363.06 GBP

Regular price Sale price £3,363.06 GBP
BMW X3 M / Competition / X4 M / Competition (F97 / F98) | 2020 | Akrapovic | Slip-On Line (Titanium)

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | 2020 | Akrapovic | Slip-On Line (Titanium)

Vendor:
Akrapovic

Regular price £2,995.50 GBP

Regular price Sale price £2,995.50 GBP
BMW X5 M / X6 M (F85 / F86) | Akrapovic | Sound Kit

BMW X5 M / X6 M (F85 / F86) | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £631.53 GBP

Regular price Sale price £631.53 GBP
BMW X5 M/X6 M (F85/F86) | Akrapovic | Evolution Line Exhaust System (Titanium)

Sold out

BMW X5 M/X6 M (F85/F86) | Akrapovic | Evolution Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £6,124.62 GBP

Regular price Sale price £6,124.62 GBP

Sold out
BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020—2023 | Akrapovic | Sound Kit

BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020—2023 | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £384.68 GBP

Regular price Sale price £384.68 GBP
BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020 | Akrapovic | Slip-On Line (Titanium)

BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020 | Akrapovic | Slip-On Line (Titanium)

Vendor:
Akrapovic

Regular price £5,983.78 GBP

Regular price Sale price £5,983.78 GBP
BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2021—2023 | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2021—2023 | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £5,540.54 GBP

Regular price Sale price £5,540.54 GBP
BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020 | Akrapovic | Evolution Link Pipe Set (Titanium)

BMW X5 M / Competition / X6 M / Competition (F95 / F96) | 2020 | Akrapovic | Evolution Link Pipe Set (Titanium)

Vendor:
Akrapovic

Regular price £2,390.09 GBP

Regular price Sale price £2,390.09 GBP
BMW M5 / Competition (F90) | 2018—2020 | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW M5 / Competition (F90) | 2018—2020 | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £3,883.78 GBP

Regular price Sale price £3,883.78 GBP
BMW M5 / Competition (F90) | Akrapovic | Tail Pipe Set (Carbon)

BMW M5 / Competition (F90) | Akrapovic | Tail Pipe Set (Carbon)

Vendor:
Akrapovic

Regular price £1,431.53 GBP

Regular price Sale price £1,431.53 GBP
BMW M5 / Competition (F90) | Akrapovic | Sound Kit

BMW M5 / Competition (F90) | Akrapovic | Sound Kit

Vendor:
Akrapovic

Regular price £491.89 GBP

Regular price Sale price £491.89 GBP
BMW M5 / Competition (F90) | 2018—2020 | OPF/GPF | Akrapovic | Evolution Link Pipe Set (Titanium)

BMW M5 / Competition (F90) | 2018—2020 | OPF/GPF | Akrapovic | Evolution Link Pipe Set (Titanium)

Vendor:
Akrapovic

Regular price £2,395.50 GBP

Regular price Sale price £2,395.50 GBP
BMW M5 / Competition / CS (F90) | 2021—2023 | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW M5 / Competition / CS (F90) | 2021—2023 | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £3,955.86 GBP

Regular price Sale price £3,955.86 GBP
BMW M5 / Competition (F90) | Akrapovic | Evolution Line Exhaust System(Titanium)

BMW M5 / Competition (F90) | Akrapovic | Evolution Line Exhaust System(Titanium)

Vendor:
Akrapovic

Regular price £6,216.22 GBP

Regular price Sale price £6,216.22 GBP
BMW M5 / M6 / Gran Coupé (F10 / F12 / F13 / F06) | Tail Pipe Set (Titanium)

BMW M5 / M6 / Gran Coupé (F10 / F12 / F13 / F06) | Tail Pipe Set (Titanium)

Vendor:
Akrapovic

Regular price £1,349.55 GBP

Regular price Sale price £1,349.55 GBP
BMW M5 / M6 / Gran Coupé (F10 / F12 / F13 / F06) | Tail Pipe Set (Carbon)

BMW M5 / M6 / Gran Coupé (F10 / F12 / F13 / F06) | Tail Pipe Set (Carbon)

Vendor:
Akrapovic

Regular price £1,375.68 GBP

Regular price Sale price £1,375.68 GBP
BMW M6 Gran Coupé (F06) | Akrapovic | Evolution Line Exhaust System (Titanium)

BMW M6 Gran Coupé (F06) | Akrapovic | Evolution Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £6,435.14 GBP

Regular price Sale price £6,435.14 GBP
BMW M8 / M8 Competition Gran Coupe (F93) | 2020 | OPF/GPF | Akrapovic | Evolution Link Pipe Set (Titanium)

BMW M8 / M8 Competition Gran Coupe (F93) | 2020 | OPF/GPF | Akrapovic | Evolution Link Pipe Set (Titanium)

Vendor:
Akrapovic

Regular price £2,373.87 GBP

Regular price Sale price £2,373.87 GBP
BMW M8 / M8 Competition Gran Coupe (F93) | Akrapovic | Evolution Line Exhaust System (Titanium)

BMW M8 / M8 Competition Gran Coupe (F93) | Akrapovic | Evolution Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £7,722.52 GBP

Regular price Sale price £7,722.52 GBP
BMW M8 / M8 Competition Gran Coupe (F93) | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

BMW M8 / M8 Competition Gran Coupe (F93) | OPF/GPF | Akrapovic | Slip-On Line Exhaust System (Titanium)

Vendor:
Akrapovic

Regular price £5,347.75 GBP

Regular price Sale price £5,347.75 GBP

1
…
20
21
22
23

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.