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Oil Cap

The oil cap covers the vital part of the engine where oil is added. If yours is cracked, replace it to avoid a troublesome vacuum leak. We also carry a variety of aftermarket caps for a simple way to dress up your engine bay.
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Oil Filler Cap - E36 E46 E39 and other BMWs
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Febi - Corporate Logo
T#:2149
Part#: 11127509328
Ships in 6 Business Days
$ 10.99

This product was last offered at the strikethrough price on
07-20-2026

$ 9.17 USD
Free Shipping on orders $49 and up
$ 9.17 USD
Free Shipping on orders $49 and up
Lost your oil filler cap? This oil filler cap replaces the stock cap in the valve cover. Alternate part number 11121743294.

This item fits the following BMWs:
1990-1991 E30 BMW 318i 318is 318ic with M42 Engine
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic
1999-2005 E46 BMW 323i 323ci 325xi 328i 328ci 330i 330ci 330xi M3
2001-2005 E46 BMW 325i 325ci - only with M54 engine
2009+ E90 BMW 335d
1991-1995 E34 BMW 525i 530i 535i 540i
1997-2003 E39 BMW 525i 528i 530i 540i M5
1997-2003 E39 BMW 525i 528i 530i 540i M5
2004-2005 E60 BMW 525i 530i 545i
2006-2010 E60 BMW 545i 550i
2004+ E63 BMW 645ci 650i
1992-1994 E32 BMW 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is
2007-2013 E70 BMW X5 4.8i X5 xDrive48i
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M coupe M Roadster
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i
2000-2003 E52 BMW Z8
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Precision Raceworks - Corporate Logo
T#:38161696
Part#: 622-0290-SIL
Ships in 6 Business Days
$ 283.99

This product was last offered at the strikethrough price on
01-22-2026

$ 269.99 USD
Free Shipping on orders $49 and up
$ 269.99 USD
Free Shipping on orders $49 and up

BMW B58 / S58 Silver Billet Engine Fluid Cap Set is a high-quality upgrade that replaces the factory plastic caps with durable billet aluminum for enhanced strength and a sleek, premium appearance. Designed for a perfect fit, this cap set enhances both the aesthetics and functionality of your BMW’s engine bay.

Unlike adhesive overlays or plastic replacements, these billet aluminum caps completely replace the OEM components while retaining essential pressure relief functionality. The precision-machined silver finish offers a refined look while providing superior resistance to heat, corrosion, and wear.

  • Direct replacement – Replaces OEM caps entirely for a factory-like fit
  • Sleek silver finish – Provides a clean, high-end appearance
  • Billet aluminum construction – Offers long-lasting durability and strength
  • OEM pressure relief compatibility – Maintains proper system function
  • Heat and corrosion-resistant – Engineered to withstand extreme conditions
  • Easy installation – Requires transferring OEM pressure relief valves for full functionality

Upgrade your BMW’s engine bay with the BMW B58 / S58 Silver Billet Engine Fluid Cap Set, the perfect blend of style and performance for enthusiasts who demand the best.

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Precision Raceworks - Corporate Logo
T#:38128022
Part#: 201-0396-BLK
Ships in 10 Business Days
$ 62.99

This product was last offered at the strikethrough price on
01-22-2026

$ 59.99 USD
Free Shipping on orders $49 and up
$ 59.99 USD
Free Shipping on orders $49 and up

BMW B58 S58 Billet Engine Oil Cap is a premium upgrade designed to enhance both the functionality and aesthetics of your BMW’s engine bay. Unlike generic aftermarket options, this billet oil cap incorporates OEM internals, ensuring proper pressure relief and maintaining factory reliability.

Precision-machined from high-quality billet aluminum, this oil cap provides exceptional durability while offering a sleek, performance-inspired look. Its anodized finish resists corrosion, heat, and wear, making it a long-lasting solution for enthusiasts who demand both style and reliability.

  • Maintains factory functionality – Retains OEM pressure relief valve for proper engine operation
  • CNC-machined billet aluminum – Provides superior strength and durability over plastic OEM caps
  • Direct fitment – Engineered for a perfect, hassle-free installation
  • Performance-inspired aesthetics – Enhances the look of the engine bay with a premium finish
  • Anodized coating – Protects against heat, corrosion, and wear
  • Long-lasting reliability – Designed to withstand high-performance driving conditions

Upgrade your BMW’s engine bay with a BMW B58 S58 Billet Engine Oil Cap, a perfect combination of OEM functionality and high-performance styling.

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Rein Oil Filter Cap
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:17738381
Part#: 11427521353
Ships on Aug 6, 2026
$ 26.99

This product was last offered at the strikethrough price on
05-15-2026

$ 18.99 USD
Free Shipping on orders $49 and up
$ 18.99 USD
Free Shipping on orders $49 and up
Prevents moisture and debris from entering and contaminating the system.

MMX Performance - Corporate Logo
T#:28968889
Part#: MMR03-1601
Special Order: No Guaranteed ETA
$ 127.99 USD
Free Shipping on orders $49 and up
OES MINI - Corporate Logo
T#:639816
Part#: 11127582398
Special Order: No Guaranteed ETA
$ 22.99 USD
Free Shipping on orders $49 and up

Oil Cap
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:591528
Part#: 11127509328
In Stock
$ 6.51 USD
Free Shipping on orders $49 and up
Includes the sealing gasket
Burger Motorsports - Corporate Logo
T#:46924974
Part#: B58OFBC-BO
Back Ordered
$ 82.00 USD
Free Shipping on orders $49 and up
The Burger Motorsports Billet Oil Filler Breather Cap replaces your BMW factory oil filler cap and offers a -10ORB threaded fitting for crankcase ventilation. A removable black block off cap is included to use the cap with no ventilation, but any custom ventilation solution using a -10ORB fitting can be used with this oil filler breather cap.
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CTS - Corporate Logo
T#:35256035
Part#: CTS-ACC-SUPRAKIT
Special Order: No Guaranteed ETA
$ 135.99 USD
Free Shipping
$ 135.99 USD
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CTS Turbo A90/A91 Billet Cap Kit enhances the aesthetic appeal of your Toyota Supra A90/A91 engine bay while maintaining functionality and durability. Designed to replace the standard OEM plastic caps, this billet cap kit is crafted from high-quality 6061-T6 billet aluminum and finished with a sleek black anodized coating for a clean, refined look. With a direct-fit design, installation is straightforward and requires no tools.

  • Transforms the engine bay with a premium appearance
  • Made from durable 6061-T6 billet aluminum for longevity
  • Black anodized finish for a sleek and sophisticated style
  • Direct replacement design ensures easy installation
  • Includes CTS-ACC-010, CTS-ACC-011, CTS-ACC-012, and CTS-ACC-013

Upgrade your Toyota Supra A90/A91 with the CTS Turbo A90/A91 Billet Cap Kit and add a touch of style to your engine bay effortlessly.

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Oil Cap
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:582841
Part#: 11127542116
Back Ordered
$ 14.99 USD
Free Shipping on orders $49 and up
Burger Motorsports - Corporate Logo
T#:46924977
Part#: B58OFBC-90F
Back Ordered
$ 59.00 USD
Free Shipping on orders $49 and up
The Burger Motorsports Billet Oil Filler Breather Cap replaces your BMW factory oil filler cap and offers a -10ORB threaded fitting for crankcase ventilation. This kit includes a -10ORB 90º breather to -10AN Fitting to connect to an oil catch can of your choice.
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Burger Motorsports - Corporate Logo
T#:46924979
Part#: S68OFBC-90F
Back Ordered
$ 59.00 USD
Free Shipping on orders $49 and up
The Burger Motorsports Billet Oil Filler Breather Cap replaces your BMW factory oil filler cap and offers a -10ORB threaded fitting for crankcase ventilation. This kit includes a -10ORB 90º breather to -10AN Fitting to connect to an oil catch can of your choice.
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Burger Motorsports - Corporate Logo
T#:46924976
Part#: S68OFBC-BO
Back Ordered
$ 59.00 USD
Free Shipping on orders $49 and up
The Burger Motorsports Billet Oil Filler Breather Cap replaces your BMW factory oil filler cap and offers a -10ORB threaded fitting for crankcase ventilation. A removable black block off cap is included to use the cap with no ventilation, but any custom ventilation solution using a -10ORB fitting can be used with this oil filler breather cap.
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