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Collection: BMW M3

You are now browsing for BMW M3 Parts & Upgrades

You are now browsing for BMW M3 Parts & Upgrades

Here at String Theory Garage we stock a large and ever expanding range of BMW Parts. A complete range of upgrades. From Suspension upgrades to ECU tuning we have you covered.

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.

BMW M3

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83 products

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BMW (82 products)
MINI (6 products)
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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (8 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (16 products)
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M2 (F87) 2016 - 2021 (21 products)
2 Series (F44 | F45 | F46) 2020 - Present (11 products)
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Z3 (E36/7 | E36/8) 1995 - 2002 (5 products)
Z4 (E85 | E86) 2003 - 2008 (5 products)
Z4 (G29) 2018 - Present (11 products)
MINI JCW CLUBMAN (F54) (3 products)
MINI JCW COUNTRYMAN (F60) (3 products)
Clubman (F54) 2015 - 2024 (2 products)
Clubman (R55) 2007 - 2014 (1 product)
Cooper (F55 | F56 | F57) 2013 - 2024 (5 products)
Cooper (R50 | R52 | R53 | GP1) 2001 - 2008 (1 product)
Cooper (R56 | R57 | GP2) 2006 - 2015 (1 product)
Countryman (F60) 2017 - 2023 (4 products)
BMW 5 Series E60 | E61 (5 products)
BMW M5 (E60) (5 products)

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Coilovers & Shock Absorbers (15 products)
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Engine & ECU (11 products)
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Exhaust (16 products)
Exhaust Valve Control (2 products)
Exterior & Trim (8 products)
Gearbox & Clutch (7 products)
Intake (4 products)
Interior (4 products)
Lowering Springs (2 products)
Splitters & Diffusers (4 products)
Suspension (24 products)
Suspension Arms (3 products)
Suspension Kits (17 products)
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Wheel Nuts & Studs (2 products)
Wheel Spacers (2 products)

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Akrapovic (16 products)
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Cargraphic (1 product)
Hardrace (1 product)
Milltek (5 products)
Mishimoto (1 product)
MMX (37 products)

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Chassis alignment (1 product)
Diffuser (4 products)
Engine & ECU (19 products)
Exterior (4 products)
Intake & Exhaust (20 products)
Seats & Interior (4 products)
Suspension (27 products)
Wheels & Tyres (4 products)

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83 products

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BMW (82 products)
MINI (6 products)
Toyota (1 products)

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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (8 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (16 products)
1 Series (F40) 2019 - 2024 (13 products)
M2 (F87) 2016 - 2021 (21 products)
2 Series (F44 | F45 | F46) 2020 - Present (11 products)
2 Series (G42) 2021 - Present (11 products)
M2 (G87) 2023 - Present (29 products)
3 Series (E30) 1982 - 1994 (6 products)
3 Series (E36) 1990 - 2000 (7 products)
3 Series (E46) 1997 - 2006 (7 products)
3 Series (E90 | E92 | E93) 2005 - 2011 (15 products)
3 Series (F30 | F31) 2011 - 2019 (16 products)
M3 (F80) 2014 - 2018 (39 products)
3 Series (G20 | G21 | G28) 2018 - Present (11 products)
M3 (G80 | G81) 2020 - Present (57 products)
4 Series (F32 | F33 | F36) 2013 - 2020 (15 products)
M4 (F82 | F83) 2014 - 2020 (27 products)
4 Series (G22 | G23 | G26) 2020 - Present (11 products)
M4 (G82 | G83) 2020 - Present (35 products)
5 Series (F10 | F11) 2010 - 2017 (13 products)
5 Series (G30) 2016 - 2024 (12 products)
M5 (F90) 2017 - Present (14 products)
M6 (F06 | F12 | F13) 2012 - 2019 (13 products)
M8 (F91 | F92 | F93) 2019 - Present (12 products)
X Series (All Models) (15 products)
Z3 (E36/7 | E36/8) 1995 - 2002 (5 products)
Z4 (E85 | E86) 2003 - 2008 (5 products)
Z4 (G29) 2018 - Present (11 products)
MINI JCW CLUBMAN (F54) (3 products)
MINI JCW COUNTRYMAN (F60) (3 products)
Clubman (F54) 2015 - 2024 (2 products)
Clubman (R55) 2007 - 2014 (1 products)
Cooper (F55 | F56 | F57) 2013 - 2024 (5 products)
Cooper (R50 | R52 | R53 | GP1) 2001 - 2008 (1 products)
Cooper (R56 | R57 | GP2) 2006 - 2015 (1 products)
Countryman (F60) 2017 - 2023 (4 products)
BMW 5 Series E60 | E61 (5 products)
BMW M5 (E60) (5 products)

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Bushes & Bearings (3 products)
Coilovers & Shock Absorbers (15 products)
Drop Links (5 products)
Engine & ECU (11 products)
ECU Map | Tuning (2 products)
Engine & ECU (Other) (11 products)
Exhaust (16 products)
Exhaust Valve Control (2 products)
Exterior & Trim (8 products)
Gearbox & Clutch (7 products)
Intake (4 products)
Interior (4 products)
Lowering Springs (2 products)
Splitters & Diffusers (4 products)
Suspension (24 products)
Suspension Arms (3 products)
Suspension Kits (17 products)
Top Mounts (1 products)
Wheel Nuts & Studs (2 products)
Wheel Spacers (2 products)

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Akrapovic (16 products)
AST (22 products)
Cargraphic (1 products)
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Chassis alignment (1 products)
Diffuser (4 products)
Engine & ECU (19 products)
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Seats & Interior (4 products)
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Wheels & Tyres (4 products)

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83 products

MMX Performance Billet Oil Filler Cap – BMW S58 & B48E - 11128654637

MMX Performance Billet Oil Filler Cap – BMW S58 & B48E - 11128654637

Regular price £81.89 GBP

Regular price Sale price £81.89 GBP
MMX Performance Billet Temperature Adaptor – BMW N54 / N55 / S55

MMX Performance Billet Temperature Adaptor – BMW N54 / N55 / S55

Regular price £16.37 GBP

Regular price Sale price £16.37 GBP
MMX Performance Billet Washer Fluid Cap – BMW F-Series

MMX Performance Billet Washer Fluid Cap – BMW F-Series

Regular price £49.99 GBP

Regular price Sale price £49.99 GBP
MMX Performance Car Badge – Chrome or Gloss Black (100mm)

MMX Performance Car Badge – Chrome or Gloss Black (100mm)

Regular price £8.19 GBP

Regular price Sale price £8.19 GBP
MMX Performance High-Output Ignition Coil - BMW (F8X) M2 M3 M4 (F2x) M135i M235i

MMX Performance High-Output Ignition Coil - BMW (F8X) M2 M3 M4 (F2x) M135i M235i

Regular price £24.99 GBP

Regular price Sale price £24.99 GBP
MMX Performance Magnetic Differential Plug – BMW (M22 × 1.5)

MMX Performance Magnetic Differential Plug – BMW (M22 × 1.5)

Regular price £24.02 GBP

Regular price Sale price £24.02 GBP
MMX Performance Stud & Nut Conversion Kit for BMW & MINI M14x1.25

MMX Performance Stud & Nut Conversion Kit for BMW & MINI M14x1.25

Regular price £131.04 GBP

Regular price Sale price £131.04 GBP
MMX Power Control Module Tuning Box - BMW F80 M3

MMX Power Control Module Tuning Box - BMW F80 M3

Regular price £649.99 GBP

Regular price Sale price £649.99 GBP
MMX Power Control Module Tuning Box Tuning Box - BMW G80 M3

MMX Power Control Module Tuning Box Tuning Box - BMW G80 M3

Regular price £749.99 GBP

Regular price Sale price £749.99 GBP
MMX Ultimate S58 Intake Solution | BMW G8x M2, M3 & M4

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

Regular price £831.02 GBP

Regular price Sale price £831.02 GBP
MMX Upgraded Aluminium VANOS Covers | BMW E90/E92/E93 M3 (S65)

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

Regular price £329.99 GBP

Regular price Sale price £329.99 GBP

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