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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

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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (26 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (69 products)
1 Series (F40) 2019 - 2024 (21 products)
M2 (F87) 2016 - 2021 (46 products)
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M2 (G87) 2023 - Present (48 products)
3 Series (E30) 1982 - 1994 (16 products)
3 Series (E36) 1990 - 2000 (18 products)
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3 Series (E90 | E92 | E93) 2005 - 2011 (27 products)
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M4 (F82 | F83) 2014 - 2020 (39 products)
4 Series (G22 | G23 | G26) 2020 - Present (18 products)
M4 (G82 | G83) 2020 - Present (45 products)
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M8 (F91 | F92 | F93) 2019 - Present (18 products)
X Series (All Models) (36 products)
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Clubman (F54) 2015 - 2024 (3 products)
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Countryman (F60) 2017 - 2023 (4 products)
GR Yaris Gen 1 (2020 - 2024) (7 products)
GR Supra MK5 (A90) 2019 - Present (3 products)
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Akrapovic (112 products)
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Chassis alignment (1 product)
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MINI (12 products)
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Nissan (7 products)
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Porsche (7 products)
Renault (7 products)
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Subaru (7 products)
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TVR (7 products)
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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (26 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (69 products)
1 Series (F40) 2019 - 2024 (21 products)
M2 (F87) 2016 - 2021 (46 products)
2 Series (F44 | F45 | F46) 2020 - Present (16 products)
2 Series (G42) 2021 - Present (19 products)
M2 (G87) 2023 - Present (48 products)
3 Series (E30) 1982 - 1994 (16 products)
3 Series (E36) 1990 - 2000 (18 products)
3 Series (E46) 1997 - 2006 (15 products)
3 Series (E90 | E92 | E93) 2005 - 2011 (27 products)
3 Series (F30 | F31) 2011 - 2019 (40 products)
M3 (F80) 2014 - 2018 (41 products)
3 Series (G20 | G21 | G28) 2018 - Present (22 products)
M3 (G80 | G81) 2020 - Present (61 products)
4 Series (F32 | F33 | F36) 2013 - 2020 (33 products)
M4 (F82 | F83) 2014 - 2020 (39 products)
4 Series (G22 | G23 | G26) 2020 - Present (18 products)
M4 (G82 | G83) 2020 - Present (45 products)
5 Series (F10 | F11) 2010 - 2017 (20 products)
5 Series (G30) 2016 - 2024 (13 products)
M5 (F90) 2017 - Present (23 products)
M6 (F06 | F12 | F13) 2012 - 2019 (18 products)
M8 (F91 | F92 | F93) 2019 - Present (18 products)
X Series (All Models) (36 products)
Z3 (E36/7 | E36/8) 1995 - 2002 (9 products)
Z4 (E85 | E86) 2003 - 2008 (15 products)
Z4 (G29) 2018 - Present (18 products)
MINI JCW CLUBMAN (F54) (3 products)
MINI JCW COUNTRYMAN (F60) (3 products)
Clubman (F54) 2015 - 2024 (3 products)
Clubman (R55) 2007 - 2014 (1 products)
Cooper (F55 | F56 | F57) 2013 - 2024 (4 products)
Cooper (R50 | R52 | R53 | GP1) 2001 - 2008 (1 products)
Cooper (R56 | R57 | GP2) 2006 - 2015 (1 products)
Countryman (F60) 2017 - 2023 (4 products)
GR Yaris Gen 1 (2020 - 2024) (7 products)
GR Supra MK5 (A90) 2019 - Present (3 products)
BMW 5 Series E60 | E61 (5 products)
BMW M5 (E60) (5 products)

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Drop Links (11 products)
Engine & ECU (22 products)
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ECU Map | Tuning (3 products)
Engine & ECU (Other) (20 products)
Exhaust (101 products)
Exhaust Valve Control (15 products)
Exterior & Trim (25 products)
Gearbox & Clutch (8 products)
Intake (9 products)
Interior (5 products)
Lowering Springs (20 products)
Splitters & Diffusers (17 products)
Spoilers (5 products)
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Suspension Kits (158 products)
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MOTON (30 products)

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Diffuser (17 products)
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373 products

MMR High-Flow Aluminium Charge Pipe kit - BMW M140i M240i 340i 440i B58

MMR High-Flow Aluminium Charge Pipe kit - BMW M140i M240i 340i 440i B58

Regular price £347.24 GBP

Regular price Sale price £347.24 GBP
MMR High-Flow Aluminium Charge Pipe Kit - BMW M5 (F10) | M6 (F12|F13) (S63)

MMR High-Flow Aluminium Charge Pipe Kit - BMW M5 (F10) | M6 (F12|F13) (S63)

Regular price £347.24 GBP

Regular price Sale price £347.24 GBP
MMX Gear shift paddles | F Series | Titanium Magnetic Paddle Inc Fitting kit

MMX Gear shift paddles | F Series | Titanium Magnetic Paddle Inc Fitting kit

Regular price £323.99 GBP

Regular price Sale price £323.99 GBP
MMX Chargepipe Kit for BMW (N54) (E82 E88 E90 E91 E92 E93) 135i 335i & 1M Coupe

MMX Chargepipe Kit for BMW (N54) (E82 E88 E90 E91 E92 E93) 135i 335i & 1M Coupe

Regular price £239.39 GBP

Regular price Sale price £239.39 GBP
MMR Gear shift paddles for BMW E & F series

MMR Gear shift paddles for BMW E & F series

Regular price £218.40 GBP

Regular price Sale price £218.40 GBP
MMX Adjustable Front Drop Links for BMW F2x, F3x & F8x M135i M140i M2 M3 M4

MMX Adjustable Front Drop Links for BMW F2x, F3x & F8x M135i M140i M2 M3 M4

Regular price £218.40 GBP

Regular price Sale price £218.40 GBP
MMX Adjustable Front Drop Links for BMW M2 M3 M4 (G80 G81, G82, G83 & G87)

MMX Adjustable Front Drop Links for BMW M2 M3 M4 (G80 G81, G82, G83 & G87)

Regular price £218.40 GBP

Regular price Sale price £218.40 GBP
MMX Differential Drive Shaft Heat Shields (Pair) for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

MMX Differential Drive Shaft Heat Shields (Pair) for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

Regular price £215.98 GBP

Regular price Sale price £215.98 GBP
MMX Billet rear subframe inserts for BMW F2x & F3x

MMX Billet rear subframe inserts for BMW F2x & F3x

Regular price £207.89 GBP

Regular price Sale price £207.89 GBP
MMX Adjustable Rear Drop Link BMW M2 (F87, G87) M3 (F80, G80) M4 (F82, G82, F83 & G83)

MMX Adjustable Rear Drop Link BMW M2 (F87, G87) M3 (F80, G80) M4 (F82, G82, F83 & G83)

Regular price £183.00 GBP

Regular price Sale price £183.00 GBP
MMX Front Wheel Arch Clearance Kit for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

MMX Front Wheel Arch Clearance Kit for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

Regular price £179.99 GBP

Regular price Sale price £179.99 GBP
MMX Cotton Panel Air Filters for BMW M2 Comp M3 M4 (F80, F82 & F87) (S55 Engine)

MMX Cotton Panel Air Filters for BMW M2 Comp M3 M4 (F80, F82 & F87) (S55 Engine)

Regular price £165.60 GBP

Regular price Sale price £165.60 GBP
MMR Cotton Panel Air Filters for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

MMR Cotton Panel Air Filters for BMW M2 M3 M4 (G80 G81 G82 G83 G87)

Regular price £157.25 GBP

Regular price Sale price £157.25 GBP
MMX Charge Pipe Turbo Side for BMW M135i, M235i, 335i, 435i & M2 N55 Engine

MMX Charge Pipe Turbo Side for BMW M135i, M235i, 335i, 435i & M2 N55 Engine

Regular price £157.24 GBP

Regular price Sale price £157.24 GBP
MMX Crank Hub Capture Plate | BMW S55 | N55

MMX Crank Hub Capture Plate | BMW S55 | N55

Regular price £144.13 GBP

Regular price Sale price £144.13 GBP
MMX Billet Gear Shift Knob for BMW (All 6 Speed Manual Cars)

MMX Billet Gear Shift Knob for BMW (All 6 Speed Manual Cars)

Regular price £125.99 GBP

Regular price Sale price £125.99 GBP
MMX Billet Differential Inserts for BMW F Series

MMX Billet Differential Inserts for BMW F Series

Regular price £125.99 GBP

Regular price Sale price £125.99 GBP
MMX Billet Aluminium Coolant Cap 90mm for BMW - 17117639021

MMX Billet Aluminium Coolant Cap 90mm for BMW - 17117639021

Regular price £121.79 GBP

Regular price Sale price £121.79 GBP
MMX Oil Filter Housing for BMW B58 & B57 Engine

MMX Oil Filter Housing for BMW B58 & B57 Engine

Regular price £121.79 GBP

Regular price Sale price £121.79 GBP
MMX Oil filter housing for BMW S58 Engine M2 (G87) M3 (G80 G81) M4 (G82 G83)

MMX Oil filter housing for BMW S58 Engine M2 (G87) M3 (G80 G81) M4 (G82 G83)

Regular price £121.79 GBP

Regular price Sale price £121.79 GBP
MMX Elite Series Panel Filter for BMW N57 Diesel Engine 3 Series (F30 F31) 4 Series (F32 F33)

MMX Elite Series Panel Filter for BMW N57 Diesel Engine 3 Series (F30 F31) 4 Series (F32 F33)

Regular price £121.50 GBP

Regular price Sale price £121.50 GBP
MMX Oil Filter Housing for BMW N54, N55 & S55 Engine

MMX Oil Filter Housing for BMW N54, N55 & S55 Engine

Regular price £111.97 GBP

Regular price Sale price £111.97 GBP
MMX Billet Aluminium Fuel Filler Cap for all BMW Models

MMX Billet Aluminium Fuel Filler Cap for all BMW Models

Regular price £104.83 GBP

Regular price Sale price £104.83 GBP
MMX Billet Aluminium Oil Filler Cap Gloss Black - BMW - 11128655331

MMX Billet Aluminium Oil Filler Cap Gloss Black - BMW - 11128655331

Regular price £98.27 GBP

Regular price Sale price £98.27 GBP

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