Collection: BMW
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.
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AST Adjustable Lowering Springs - BMW 4 Series (G82 / G83) M4 | M4 Convertible (2021 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW 3 Series (G80 / G81) M3 | M3 Touring (2021 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -

AST Adjustable Lowering Springs - BMW 3 Series (G21) M340i | M340i Plug in Hybrid (2018 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW 4 Series (G22) M440i xDrive (2018 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW 2 Series (G42) 230i | M240i (2018 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW 3 Series (G20) 330e | 330i | M340i (2018 - Present)
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW M2 Pre LCI & LCI | M2 Competition (F87) 2014 - 2019
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW M4 Convertible (F83) 2015 - 2018
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW M4 Pre LCI & LCI (F82) 2012 - 2018
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Adjustable Lowering Springs - BMW M3 Pre LCI & LCI (F80) 2014 - 2018
Regular price £750.00 GBPRegular price£780.00 GBPSale price £750.00 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 1 & 2 Series F20 | F21 | F22 LCI
Regular price From £2,208.33 GBPRegular price£2,290.00 GBPSale price From £2,208.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 5 Series G30
Regular price £2,500.00 GBPRegular price£2,610.00 GBPSale price £2,500.00 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 5 Series F11
Regular price £2,541.67 GBPRegular price£2,630.00 GBPSale price £2,541.67 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 5 Series F10
Regular price £2,541.67 GBPRegular price£2,630.00 GBPSale price £2,541.67 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series F30 Pre LCI
Regular price From £2,208.33 GBPRegular price£2,290.00 GBPSale price From £2,208.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series F30 LCI
Regular price From £2,208.33 GBPRegular price£2,290.00 GBPSale price From £2,208.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series G20 | G21
Regular price From £2,083.33 GBPRegular price£2,170.00 GBPSale price From £2,083.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E90 | E92 | E93 M3
Regular price From £2,458.33 GBPRegular price£2,540.00 GBPSale price From £2,458.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E90 | E92 | E93
Regular price From £2,083.33 GBPRegular price£2,170.00 GBPSale price From £2,083.33 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E46 Sedan | Touring | Coupe | Convertible
Regular price From £2,125.00 GBPRegular price£2,200.00 GBPSale price From £2,125.00 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E46 M3 Coupe | Convertible | CSL
Regular price From £2,125.00 GBPRegular price£2,200.00 GBPSale price From £2,125.00 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E36 Sedan | Touring | Coupe | Convertible
Regular price From £2,041.67 GBPRegular price£2,120.00 GBPSale price From £2,041.67 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E36 M3
Regular price From £2,041.67 GBPRegular price£2,120.00 GBPSale price From £2,041.67 GBPSale -
AST Suspension 5100 Street 1-way Adjustable Coilovers - BMW 3 Series E30 M3
Regular price From £2,625.00 GBPRegular price£2,720.00 GBPSale price From £2,625.00 GBPSale











