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Showing 21–40 of 128 results
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RK Autowerks B58 Manifold Gen1 – Billet Port Injection
$2,999.00-
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RK Motiv Reflex+ Pack S58/B58
From $699 Select options -

RK Autowerks F10 Billet Intake Manifold for M5 & M6
$4,249.00-
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RK Autowerks F90 Billet Intake Manifold for M5 & M8
$4,249.00-
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RK Autowerks S63 Stage 2 Turbo – M5 (F10/F90), M6 (F12), X5M/X6M (F85/F86)
$3,999.00-
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RK Autowerks S58 Stage 2 Turbo Upgrade – M2/M3/M4/X3M/X4M
$4,499.00-
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RK Autowerks S58 Fuel Rail – Billet – G80/G82 M3 & M4
$250.00-
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RK Autowerks B58 & S58 Port Injection Line Kit – Without Fuel Rail
$399.00-
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RK Autowerks S68 Catless Race Downpipes – F95/F96 X5M & X6M (LCI)
$1,199.00-
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RK Autowerks S63 Catless Race Downpipes – F95/F96 X5M & X6M (Non LCI)
$1,199.00-
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RK Autowerks S63 Catless Downpipes – F85/F86 X5M & X6M
$599.00-
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RK Autowerks S58 Catless Downpipes – G80/G82 M3 & M4
$899.00-
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RK Autowerks S63 Catless Race Downpipes – F90 M5 & M8
$1,099.00-
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RK Autowerks S63 Catless Downpipes – F10/F12 M5 & M6
$799.00-
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![Spool IFX350 Upgraded DI Injectors +40% [S63 Gen 2]](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMzAwIiB2aWV3Qm94PSIwIDAgMzAwIDMwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgc3R5bGU9ImZpbGw6I2NmZDRkYjtmaWxsLW9wYWNpdHk6IDAuMTsiLz48L3N2Zz4=)
Spool IFX350 Upgraded DI Injectors +40% [S63 Gen 2]
$2,399.00-
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RK Autowerks B58 S58 Engine Block Services
$0.00 Select options -

RK Autowerks S55 Catless Downpipes – F80/F82 M3 & M4
$399.00-
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RK Autowerks S58/B58 Cylinder Head Services
$0.00 Select options -

RK Autowerks S68 G90 M5 Catless Race Downpipes
$1,999.00-
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CP-Carrillo Connecting Rod Set, BMW S58
$2,299.00-
Select options This product has multiple variants. The options may be chosen on the product page














![Spool IFX350 Upgraded DI Injectors +40% [S63 Gen 2]](https://rkautowerks.com/wp-content/uploads/2025/11/f90inj2_900x900-300x300.webp)




