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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 (70 products)
1 Series (F40) 2019 - 2024 (21 products)
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M2 (G87) 2023 - Present (51 products)
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GR Yaris Gen 1 (2020 - 2024) (7 products)
GR Supra MK5 (A90) 2019 - Present (3 products)
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Chassis alignment (2 products)
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MINI (12 products)
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Peugeot (7 products)
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Renault (7 products)
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Tesla (7 products)
Toyota (8 products)
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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (26 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (70 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 (51 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 (28 products)
3 Series (F30 | F31) 2011 - 2019 (41 products)
M3 (F80) 2014 - 2018 (41 products)
3 Series (G20 | G21 | G28) 2018 - Present (24 products)
M3 (G80 | G81) 2020 - Present (63 products)
4 Series (F32 | F33 | F36) 2013 - 2020 (34 products)
M4 (F82 | F83) 2014 - 2020 (39 products)
4 Series (G22 | G23 | G26) 2020 - Present (18 products)
M4 (G82 | G83) 2020 - Present (47 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)
BMW M5 (G90 / G99) (1 products)

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Drop Links (11 products)
Engine & ECU (24 products)
Engine Cooling (6 products)
ECU Map | Tuning (3 products)
Engine & ECU (Other) (21 products)
Exhaust (102 products)
Exhaust Valve Control (15 products)
Exterior & Trim (25 products)
Gearbox & Clutch (9 products)
Intake (10 products)
Interior (5 products)
Lowering Springs (23 products)
Splitters & Diffusers (17 products)
Spoilers (5 products)
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Suspension Kits (158 products)
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Akrapovic (113 products)
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MOTON (30 products)

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Chassis alignment (2 products)
Diffuser (17 products)
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Seats & Interior (12 products)
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381 products

Milltek Hollowtek Twin Valved Exhaust System for BMW M2 F87 - EC Approved

Milltek Hollowtek Twin Valved Exhaust System for BMW M2 F87 - EC Approved

Regular price From £2,329.69 GBP

Regular price Sale price From £2,329.69 GBP
Milltek OPF/GPF Back Race Exhaust System for BMW F80 M3 - OPF/GPF Models

Milltek OPF/GPF Back Race Exhaust System for BMW F80 M3 - OPF/GPF Models

Regular price From £1,735.47 GBP

Regular price Sale price From £1,735.47 GBP
Milltek OPF/GPF Back Exhaust System for BMW F80 M3 - OPF/GPF Models

Milltek OPF/GPF Back Exhaust System for BMW F80 M3 - OPF/GPF Models

Regular price From £1,735.47 GBP

Regular price Sale price From £1,735.47 GBP
Milltek Cat Back Race Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Milltek Cat Back Race Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Regular price From £1,823.90 GBP

Regular price Sale price From £1,823.90 GBP
Milltek Cat Back Equal Length (Loudest) Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Milltek Cat Back Equal Length (Loudest) Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Regular price From £1,806.38 GBP

Regular price Sale price From £1,806.38 GBP
Milltek Cat Back Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Milltek Cat Back Exhaust System for BMW F80 M3 - Non OPF/GPF Model

Regular price From £1,821.75 GBP

Regular price Sale price From £1,821.75 GBP
Cargraphic Exhaust Valve Controller for BMW F20 F21 M135i M140i

Cargraphic Exhaust Valve Controller for BMW F20 F21 M135i M140i

Regular price £390.83 GBP

Regular price Sale price £390.83 GBP
MMX DCT Transmission Oil Cooler BMW E90 E92 E93 M3

MMX DCT Transmission Oil Cooler BMW E90 E92 E93 M3

Regular price £546.00 GBP

Regular price Sale price £546.00 GBP
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 £289.37 GBP

Regular price Sale price £289.37 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 £289.37 GBP

Regular price Sale price £289.37 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 £269.99 GBP

Regular price Sale price £269.99 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 £199.49 GBP

Regular price Sale price £199.49 GBP
MMR Gear shift paddles for BMW E & F series

MMR Gear shift paddles for BMW E & F series

Regular price £182.00 GBP

Regular price Sale price £182.00 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 £182.00 GBP

Regular price Sale price £182.00 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 £182.00 GBP

Regular price Sale price £182.00 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 £179.98 GBP

Regular price Sale price £179.98 GBP
MMX Billet rear subframe inserts for BMW F2x & F3x

MMX Billet rear subframe inserts for BMW F2x & F3x

Regular price £173.24 GBP

Regular price Sale price £173.24 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 £152.50 GBP

Regular price Sale price £152.50 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 £149.99 GBP

Regular price Sale price £149.99 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 £138.00 GBP

Regular price Sale price £138.00 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 £131.04 GBP

Regular price Sale price £131.04 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 £131.03 GBP

Regular price Sale price £131.03 GBP
MMX Crank Hub Capture Plate | BMW S55 | N55

MMX Crank Hub Capture Plate | BMW S55 | N55

Regular price £120.11 GBP

Regular price Sale price £120.11 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 £104.99 GBP

Regular price Sale price £104.99 GBP

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