The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase flow and hear your S54 breathe with the Turner Open Intake System. The Turner intake flows over 200% greater than the factory airbox with OEM fitment!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4615860
Mfg#:
028521TMS01
Ships on Aug 7, 2026
ON SALE!
SAVE 15%
$623.99
This product was last offered at the strikethrough price on 06-13-2026
Swap Out Your Rod Bearings With 5150's S54 Rod Bearing Kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Late Model: S54 Engines after 02/2003 production and later use M10 Bolts. For Late Model S54 Engines after 02/2003 production
High flow injectors for your BMW - includes adapter pigtails that are soldered in to replace your factory injector plugs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A direct-fit performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Critical for maintaining engine health and maximizing tuning potential.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Custom Applications - Will require additional tuning or modifications.
Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.
Lifetime Replacement
