BMW Engine Parts for BMW E90 M3 S65 4.0L

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Corteco Rear Crankshaft Seal - E60, E63, E64, E90, E92, E93
Corteco Rear Crankshaft Seal - E60, E63, E64, E90, E92, E93
Corteco - Corporate Logo
T#:391381
Part#: 11217838071
In Stock
$ 51.11

This product was last offered at the strikethrough price on
04-27-2026

$ 34.99 USD
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$ 34.99 USD
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Replace when doing a clutch job.
BMW E9X M3 Motor And Transmission Mount Kit
BMW E9X M3 Motor And Transmission Mount Kit
Corteco - Corporate Logo
T#:18998593
Part#: 11812283798KT11
In Stock
$ 309.99 USD
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$ 309.99 USD
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BMW E9X M3 Motor And Transmission Mount Kit is designed to eliminate excess slop and vibrations that can negatively impact your driving experience. As motor and transmission mounts wear over time, they can lead to noticeable vibrations and a less precise shifter feel. This comprehensive kit offers an effective solution by including two high-quality motor and transmission mounts along with all necessary mounting hardware, ensuring a smooth and enjoyable ride.

Benefits:

  • Improved Driving Experience: Reduces unwanted vibrations and slop for a more responsive and comfortable ride.
  • High-Quality Components: Includes original equipment engine and transmission mounts, ensuring durability and reliability.
  • Complete Installation Kit: Comes with all necessary mounting hardware for a straightforward installation process.
  • Enhanced Vehicle Performance: Restores the integrity of the drivetrain, improving overall vehicle handling and responsiveness.
  • Easy to Install: Designed for direct replacement, making installation simple and efficient.

Upgrade your BMW's performance with the BMW E9X M3 Motor And Transmission Mount Kit for a firmer, more connected driving feel.

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Cometic Head Gasket - BMW S65B40 - 0.040" Thick
Cometic Head Gasket - BMW S65B40 - 0.040" Thick
Cometic - Corporate Logo
T#:19428661
Part#: C5112-040
Back Ordered
$ 144.99 USD
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$ 144.99 USD
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Multi-Layer Steel gaskets are comprised of multiple embossed layers of both proprietary high-temperature coated and uncoated stainless steel, requiring less clamp load, creating less bore distortion, and conforms load distribution across the sealing area. The embossed outer layers of our head gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The MLS Gasket (Multi-Layer Steel) features an active combustion seal on multiple layers. The stainless steel outer layers utilize FKM (Viton®) rubber coating, a high-temperature and chemical-resistant polymer. A topcoat of PTFE aids in resistance to fret and increased cold sealing.
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Cometic Multi-layer Steel Head Gasket Set
Cometic Multi-layer Steel Head Gasket Set
Cometic - Corporate Logo
T#:24079611
Part#: COM-HG-S65-93030
Ships in 4 Business Days
$ 379.99 USD
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$ 379.99 USD
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93mm - 0.030"
OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:15159
Part#: 17222245358
In Stock
$ 4.99 USD
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$ 4.99 USD
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This is the sealing o-ring used for many oil cooler kits on various BMW models. They're also a prime source for oil leaks because the o-ring gets 'flat' or shrinks or becomes damaged. These are usually easy to change though which puts an end to annoying small oil leaks.
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Oil Pressure Switch (fits most BMWs)
Oil Pressure Switch (fits most BMWs)
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363
Part#: 12617568480
In Stock
$ 11.99

This product was last offered at the strikethrough price on
04-21-2026

$ 7.39 USD
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$ 7.39 USD
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Having your oil pressure light come on can mean very serious problems. Or it could just be this switch that fails several times over a car's lifespan. By no means should you ignore the warning light but replacing this sensor could be the actual culprit. The other problem with this switch is that oil can leak past its seal. With the oil under a lot of pressure at this point, the oil loss can be a serious concern. It's a simple replacement when doing most oil change work.

This Oil Pressure Switch fits the following BMWs:
1985-1991 E30 318i, 318is, 325e, 325i, M3
1992-1999 E36 318i/is, 325i/is, 328i/is, 323is, M3
1992-1997 E31 840i, 850i
1988-1994 E32 735i, 735iL, 740i, 740iL
1989-1995 E34 525i, 530i, 535i, 540i, M5
1995-2001 E38 740i, 740iL, 750i, 750iL
1996-2002 Z3 Roadster/Coupe 1.9, 2.3, 2.5, 2.8, 3.0, 3.2
1997-2003 E39 525i, 528i, 530i, 540i, M5
1999-2005 E46 323, 325, 328, 330, M3
2000-2003 Z8 roadster
2001-2006 E53 X5 X5 3.0i, X5 4.4i, X5 4.6is, X5 4.8is
2002+ E65/E66 745i, 745li, 750i, 750li, 760i, B7 Alpina
2003+ Z4 Roadster/Coupe Z4 2.5, 3.0, 3.0si
2004+ E60 525i, 530i, 535i, 545i, 550i, M5
2005+ E63/E64 645Ci, 650i, M6
2005+ E83 X3 X3 2.5, X3 3.0
2006+ E90/E92 325, 328, 330, 335
2007+ E70 X5 X5 3.0i, X5 4.8i
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General Purpose Hose Clamp - Priced Each
General Purpose Hose Clamp - Priced Each
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:592737
Part#: 07129952104
Ships in 4 Business Days
$ 6.99 USD
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$ 6.99 USD
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Cometic Head Gasket - BMW S65B40 - 0.027" Thick
Cometic Head Gasket - BMW S65B40 - 0.027" Thick
Cometic - Corporate Logo
T#:31556168
Part#: C5112-027
Back Ordered
$ 122.99 USD
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$ 122.99 USD
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Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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Cometic Head Gasket - BMW S65B40 - 0.057" Thick
Cometic Head Gasket - BMW S65B40 - 0.057" Thick
Cometic - Corporate Logo
T#:31556170
Part#: C5112-057
Back Ordered
$ 183.99 USD
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$ 183.99 USD
Free Shipping on orders $49 and up
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Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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Cometic Head Gasket - BMW S65B40 - 0.080" Thick
Cometic Head Gasket - BMW S65B40 - 0.080" Thick
Cometic - Corporate Logo
T#:31556167
Part#: C5111-080
Back Ordered
$ 189.99 USD
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$ 189.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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O-Ring - Priced Each
O-Ring - Priced Each
Corteco - Corporate Logo
T#:596676
Part#: 11317507432
Back Ordered
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD
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$ 2.99 USD
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This o-ring is located on the timing chain tensioner bolts.
Cometic Head Gasket - BMW S65B40 - 0.051" Thick
Cometic Head Gasket - BMW S65B40 - 0.051" Thick
Cometic - Corporate Logo
T#:31556169
Part#: C5112-051
Back Ordered
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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Cometic Head Gasket - BMW S65B40 - 0.027" Thick
Cometic Head Gasket - BMW S65B40 - 0.027" Thick
Cometic - Corporate Logo
T#:31556164
Part#: C5111-027
Back Ordered
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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Cometic Head Gasket - BMW S65B40 - 0.040" Thick
Cometic Head Gasket - BMW S65B40 - 0.040" Thick
Cometic - Corporate Logo
T#:31556166
Part#: C5111-040
Back Ordered
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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Cometic Head Gasket - BMW S65B40 - 0.030" Thick
Cometic Head Gasket - BMW S65B40 - 0.030" Thick
Cometic - Corporate Logo
T#:31556165
Part#: C5111-030
Back Ordered
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 144.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Cometic is the industry standard when upgrading the head gasket on your high performance BMW. These MLS (Metal Layered Steel) head gaskets are many enthusiasts’ choice when adding more boost or simply bulletproofing your current setup! Designed for high-performance applications, Cometic Head Gaskets are sure to stand up to the task!
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