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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)
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 (53 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)
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M3 (G80 | G81) 2020 - Present (64 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 (48 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 product)
Cooper (F55 | F56 | F57) 2013 - 2024 (4 products)
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Cooper (R56 | R57 | GP2) 2006 - 2015 (1 product)
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)
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Akrapovic (113 products)
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Chassis alignment (2 products)
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Hyundai (7 products)
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Mercedes-Benz (7 products)
MINI (12 products)
Mitsubishi (7 products)
Nissan (7 products)
Peugeot (7 products)
Porsche (7 products)
Renault (7 products)
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Subaru (7 products)
Tesla (7 products)
Toyota (8 products)
TVR (7 products)
Volkswagen (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 (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 (53 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 (64 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 (48 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)
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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 (24 products)
Splitters & Diffusers (17 products)
Spoilers (5 products)
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Suspension Arms (3 products)
Suspension Kits (158 products)
Seats (7 products)
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Akrapovic (113 products)
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Chassis alignment (2 products)
Diffuser (17 products)
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Seats & Interior (12 products)
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383 products

MMX Performance Magnetic Sump Plug – BMW S63 (M18 × 1.5)

MMX Performance Magnetic Sump Plug – BMW S63 (M18 × 1.5)

Regular price £28.82 GBP

Regular price Sale price £28.82 GBP
MMX Performance Billet Temperature Adaptor – BMW N54 / N55 / S55

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

Regular price £19.64 GBP

Regular price Sale price £19.64 GBP
MMX Performance Car Badge – Chrome or Gloss Black (100mm)

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

Regular price £9.83 GBP

Regular price Sale price £9.83 GBP
MMX Performance O-Ring Service Kit – B58 Lifetime Oil Filter & Billet Housing

MMX Performance O-Ring Service Kit – B58 Lifetime Oil Filter & Billet Housing

Regular price £8.71 GBP

Regular price Sale price £8.71 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 £157.25 GBP

Regular price Sale price £157.25 GBP
MMX Locking Tapered Seat Wheel Nut Kit for BMW

MMX Locking Tapered Seat Wheel Nut Kit for BMW

Regular price £47.99 GBP

Regular price Sale price £47.99 GBP
Cargraphic Exhaust Valve Controller for BMW G8X & F8X M2 M3 M4

Cargraphic Exhaust Valve Controller for BMW G8X & F8X M2 M3 M4

Regular price £469.00 GBP

Regular price Sale price £469.00 GBP
AST Front Adjustable Top Mounts / Camber Plates Set of 2 - BMW G8X M2 M3 M4 2021 - Present

Sale

AST Front Adjustable Top Mounts / Camber Plates Set of 2 - BMW G8X M2 M3 M4 2021 - Present

Regular price £845.00 GBP

Regular price ~~£876.00 GBP~~ Sale price £845.00 GBP

Sale
BMW M2 / M240i / M3 / M340i / M4 / M440i (G87 / G42 / G80 / G20 / G82 / G22) | Akrapovic | Rear Wing (Forged Carbon)

BMW M2 / M240i / M3 / M340i / M4 / M440i (G87 / G42 / G80 / G20 / G82 / G22) | Akrapovic | Rear Wing (Forged Carbon)

Regular price £4,107.02 GBP

Regular price Sale price £4,107.02 GBP
BMW M2 / M240i / M3 / M340i / M4 / M440i (G87 / G42 / G80 / G20 / G82 / G22) | Akrapovic | Rear Wing (Carbon)

BMW M2 / M240i / M3 / M340i / M4 / M440i (G87 / G42 / G80 / G20 / G82 / G22) | Akrapovic | Rear Wing (Carbon)

Regular price £3,911.35 GBP

Regular price Sale price £3,911.35 GBP
AST MOTON Front Control Arm Bearing Set of 2 - BMW G8X M2 M3 M4 2021 - Present

Sale

AST MOTON Front Control Arm Bearing Set of 2 - BMW G8X M2 M3 M4 2021 - Present

Regular price £273.60 GBP

Regular price ~~£288.00 GBP~~ Sale price £273.60 GBP

Sale
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Downpipe without Cat (SS)

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Downpipe without Cat (SS)

Regular price £2,084.33 GBP

Regular price Sale price £2,084.33 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Downpipe with Cat (SS)

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Downpipe with Cat (SS)

Regular price £3,545.94 GBP

Regular price Sale price £3,545.94 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Evolution Link Pipe Set (SS) – Long

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Evolution Link Pipe Set (SS) – Long

Regular price £1,481.08 GBP

Regular price Sale price £1,481.08 GBP
BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Evolution Link Pipe Set (Titanium) – Long

BMW M2 / M3 / M4 (G87 / G80 / G81 / G82 / G83) | Akrapovic | Evolution Link Pipe Set (Titanium) – Long

Regular price £2,145.95 GBP

Regular price Sale price £2,145.95 GBP
BMW M2 (G87) | Akrapovic | Rear Forged Carbon Diffuser (Matte)

BMW M2 (G87) | Akrapovic | Rear Forged Carbon Diffuser (Matte)

Regular price £1,607.57 GBP

Regular price Sale price £1,607.57 GBP
Mishimoto Skid Plate - BMW G8X M2 M3 M4 2021 - Present

Mishimoto Skid Plate - BMW G8X M2 M3 M4 2021 - Present

Regular price £441.60 GBP

Regular price Sale price £441.60 GBP
AST MOTON Front Arch Clearance Kit - BMW M3 (G80/1) M4 (G82/3) M2 (G87)

AST MOTON Front Arch Clearance Kit - BMW M3 (G80/1) M4 (G82/3) M2 (G87)

Regular price £132.00 GBP

Regular price Sale price £132.00 GBP
AST Adjustable Drop Links - BMW 2 Series F22 (M235i & M240i)

AST Adjustable Drop Links - BMW 2 Series F22 (M235i & M240i)

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M2 G87

AST Adjustable Drop Links - BMW M2 G87

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M4 G82 | G83

AST Adjustable Drop Links - BMW M4 G82 | G83

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M3 G80 | G81

AST Adjustable Drop Links - BMW M3 G80 | G81

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M3 F80 | F81

AST Adjustable Drop Links - BMW M3 F80 | F81

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M4 F82 | F83

AST Adjustable Drop Links - BMW M4 F82 | F83

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP

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