BMW Engine Parts for BMW Z4 M Roadster S54 (2003-2008)

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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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Timing Chain Tensioner INA- M52 2.5L & 2.8L / S54 3.2L
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Ina - Corporate Logo
T#:403736
Part#: 11317838675
In Stock
$ 139.99

This product was last offered at the strikethrough price on
05-06-2026

$ 136.99 USD
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$ 136.99 USD
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Turner Motorsport BMW Timing Chain Tensioner Replacement

Introducing the BMW Timing Chain Tensioner Replacement by Turner Motorsport, a vital component to maintain optimal tension and prevent timing chain issues. Engineered for reliability, this replacement ensures the proper functioning of your cam gears and crank, preventing potential engine damage.

Benefits:

  • Crucial for timing chain tension
  • Prevents chain skipping
  • Safeguards against catastrophic engine damage
  • Quiets noisy chains for a smoother engine operation

Replace your BMW's timing chain tensioner with this Turner Motorsport solution to keep your engine running smoothly.

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Ina - Corporate Logo
T#:2479
Part#: 11281433571
In Stock
$ 62.17 USD
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$ 62.17 USD
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This is an OEM INA AC Belt Tensioner with pulley for all 2001-2006 E46 M3, as well as all 1999-2002 non-M E46 3 series models. These belt tensioner units are known to fail, and include the tensioner pulley (as shown).

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This Air Conditioning / AC Belt Tensioner with Pulley fits:
1999-2000 E46 3 Series 323i, 323Ci, 328i, 328Ci
2001-2002 E46 3 Series 325i, 325Ci, 330i, 330Ci
2001-2006 E46 M3 coupe & convertible

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Hydraulic Alternator Belt Tensioner Assembly
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:396757
Part#: 11287838797
In Stock
$ 53.99 USD
Free Shipping on orders $49 and up

Glyco - Corporate Logo
T#:375823
Part#: 11211706847
In Stock
$ 136.06

This product was last offered at the strikethrough price on
07-15-2026

$ 125.04 USD
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$ 125.04 USD
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Standard bore

Camshaft Position Sensor - S54, S62
2X Entries For Our G87 M2 Sweepstakes!
URO - Corporate Logo
T#:44461483
Part#: 13627796054
In Stock
$ 40.99 USD
Free Shipping on orders $49 and up
Provides dependable performance, reliability, and value in one essential component.
Atlantic Automotive Engineering - Corporate Logo
T#:45757458
Part#: 32427830838
In Stock
$ 50.99 USD
Free Shipping on orders $49 and up
A new power steering pulley is key to keeping your steering system smooth and reliable. Over time, pulleys can warp, crack, or wear, causing belt slippage, whining noises, or even pump failure. Installing a fresh pulley restores correct belt alignment, eliminates noise, and maintains consistent hydraulic pressure for precise, effortless steering. Why choose a new pulley? Smooth operation – Ensures proper belt tension for dependable pump performance. Noise reduction – Eliminates squealing, whining, or vibration from worn pulleys. System protection – Protects the pump and steering components from damage. Install a new pulley and keep your steering system running quietly, efficiently, and confidently.
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DSC Pressure Sensor
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:567281
Part#: 34521164458
In Stock
$ 152.99 USD
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$ 152.99 USD
Free Shipping
This sensor is attached to the brake master cylinder
Parking Aid Sensor
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:37858371
Part#: 66206989068
Ships in 2 Business Days
$ 31.99 USD
Free Shipping on orders $49 and up
$ 31.99 USD
Free Shipping on orders $49 and up
This replacement PDC sensor is positioned behind the front and rear bumpers and serves as a direct replacement for any broken, missing, or faulty sensor.

URO Fuel Cap - E53 X5, E85/86 Z4
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:5001927
Part#: 16116767740
Ships in 2 Business Days
$ 44.99 USD
Free Shipping on orders $49 and up
This gas cap fits BMW E53 X5 3.0i 4.4i 4.6is 4.8is from 2000-2006 and Z4 2.5i 3.0i 30.0si M Roadster M Coupe 2004-2008. A faulty gas cap can often be the cause a fault code and trigger a "check engine" light. This item fits the following BMWs: 2000-2006 X5 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is 2004-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
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OEM INA Hydraulic Belt Tensioner - E36, E46, E39 6-cyl
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:1603
Part#: 11281717188
Ships in 1-2 days
$ 79.99 USD
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$ 79.99 USD
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For Alternator / Water Pump Belt

Hydraulic Belt Tensioner for E36, E46, E39 6-cyl models. This is the oil-filled tensioner that keeps the main drive belt in the proper tension. Over time the piston seals inside allow fluid to leak out. The tensioner becomes frozen or inoperable. Replacement is the best corrective action to take. This can be done during any belt or pulley service or anytime the fan is off the engine.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


NOTE: These BMW's may have been equipped with either a mechanical or hydraulic tensioner. Only for cars with Hydraulic Belt Tensioners. Please check before ordering.

This tensioner pulley fits the following BMWs:
1991-1995 E34 525i (M50 engine)
1992-1999 E36 325i, 325is, 328i, 328is, 323is
1995-1999 E36 M3 (M3 3.0 & M3 3.2 liter)
1997-2003 E39 525i, 528i, 530i
1999-2000 E46 323i, 323Ci, 328i, 328Ci
2001-2005 E46 325i, 325Ci, 325xi, 330i, 330Ci, 330xi
2001-2006 E46 M3 coupe & convertible
2000-2006 X5 3.0 liter (E53 chassis)
2006 525i, 530i(M54 engine)
1997-2002 Z3 & MZ3 2.8, M Roadster, M Coupe
2003-2009 Z4 M Coupe and Roadster

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URO - Corporate Logo
T#:43750194
Part#: 12617607910
In Stock
$ 192.99 USD
Free Shipping on orders $49 and up
The engine oil level sensor continuously monitors the oil level in the engine's oil pan, transmitting real-time data to the vehicle's ECU (Engine Control Unit). This critical information helps ensure that the engine maintains the proper amount of oil for optimal lubrication. Commonly found in modern vehicles, the oil level sensor serves as an added safeguard against low oil levels, preventing potential engine damage.
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Water Pump Pulley
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:638798
Part#: 11517840403
Ships in 2 Business Days
$ 57.99 USD
Free Shipping on orders $49 and up


URO Oil Filler Cap
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:6795781
Part#: 11127832157
Ships in 2 Business Days
$ 35.99 USD
Free Shipping on orders $49 and up
Replace your damaged or missing oil cap. Great quality replacement that is manufactured to original equipment dimensions and guaranteed to fit. Stop leaking from damaged oil cap or seal.
Belt Tensioner Conversion Kit
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:600039
Part#: 11287838797K
Back Ordered
$ 82.99

This product was last offered at the strikethrough price on
06-16-2026

$ 65.99 USD
Free Shipping on orders $49 and up
$ 65.99 USD
Free Shipping on orders $49 and up
Update from a mechanical tensioner to a hydraulic style tensioner
Glyco - Corporate Logo
T#:375824
Part#: 11211706850
In Stock at Vendor
$ 126.61

This product was last offered at the strikethrough price on
07-15-2026

$ 118.92 USD
Free Shipping
$ 118.92 USD
Free Shipping
59.75MM(+0.25) bore

Mechanical A/C Belt Tensioner Assembly
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:361998
Part#: 11281433571
Ships in 2 Business Days
$ 53.99 USD
Free Shipping on orders $49 and up
$ 53.99 USD
Free Shipping on orders $49 and up
Complete tensioner assembly with roller

Replacement Aluminum Valve Cover
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:31324202
Part#: 11127838754
Ships in 2 Business Days
$ 569.99 USD
Free Shipping on orders $49 and up
Issues with a valve cover such as cracks and warping can result in a major vacuum leak and result in very poor performance. This Original BMW replacement from ECS Tuning will fit and function just like the stock part and will have your BMW running great again in no time. Don't forget to add a new gasket and spark plug seals, available elsewhere on the site.
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Ina - Corporate Logo
T#:2045
Part#: 11281748131
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up
$ 19.99 USD
Free Shipping on orders $49 and up

This is an OEM INA tensioner pulley, also known as the adjusting pulley and lower pulley. This pulley is mounted on the belt tensioner near the center of the belt assembly. The upper and lower pulleys are known to be the primary sources for 'belt squealing'. This pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).

This pulley is mounted along with the hydraulic belt tensioner but can be replaced on its own. It is used for the main drive belt on the M50-M54 family engines (M50, M50TU, M52, S52, M52TU, M54, M56, and S54 engines). This is the same belt that covers the water pump/alternator/power steering systems. Replacement is a very easy procedure (requires fan removal) and will have your engine purring in no time. Belt replacement is strongly recommended at the same time. If you have a mechanical belt tensioner, the pulley can only be replaced with a new tensioner.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

If you need the hydraulic belt tensioner, click here.

This item is 70mm Diameter. Please check the diameter before ordering.

This tensioner pulley fits the following BMWs:
1991-1995 E34 525i (M50 engine)
1992-1999 E36 325i, 325is, 328i, 328is, 323is
1995-1999 E36 M3 (M3 3.0 & M3 3.2 liter)
1997-2003 E39 525i, 528i, 530i - Only for Hydraulic Tensioner
1999-2000 E46 323i, 323Ci, 328i, 328Ci - Only for Hydraulic Tensioner
2001-2005 E46 325i, 325Ci, 325xi, 330i, 330Ci, 330xi - Only for Hydraulic Tensioner
2001-2006 E46 M3 coupe & convertible - Only for Hydraulic Tensioner
2000-2006 X5 3.0 liter (E53 chassis)
2004 E60 525i, 530i (M54 engine)
1997-2002 Z3 & MZ3 2.5, 2.8, 3.0, M Roadster, M Coupe
2003-2009 Z4 M Coupe and Roadster

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Drive Belt Pulley Cap
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:639224
Part#: 11281727159
In Stock
$ 3.99 USD
Free Shipping on orders $49 and up
Replace that missing protective cap and protect your belt tensioner bearing from debris.
Ina - Corporate Logo
T#:393585
Part#: 12311713153
In Stock
$ 10.99 USD
Free Shipping on orders $49 and up

The OEM INA Tensioner Bearing allows the belt tensioner arm to rotate and apply pressure to the serpentine belt. With a bad bearing, the arm may seize up and prevent the tensioner from working properly.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform

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Temperature Sensor
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:37892090
Part#: 13621433076
In Stock
$ 10.34 USD
Free Shipping on orders $49 and up
Temperature sensor for monitoring coolant and oil

Fluid Level Sensor
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:369510
Part#: 17137524812
In Stock
$ 10.59 USD
Free Shipping on orders $49 and up
This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level
Electrical Connector - Priced Each
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:367145
Part#: 61132359999
Ships in 2 Business Days
$ 18.99 USD
Free Shipping on orders $49 and up
2 pin used in many locations on late model BMWs
OEM INA Idler Pulley - Multiple BMWs
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:1626
Part#: 11287841228
In Stock
$ 18.99 USD
Free Shipping on orders $49 and up
$ 18.99 USD
Free Shipping on orders $49 and up
This is an OEM INA Upper Idler Pulley, also known as the roller pulley or deflection pulley. The upper and lower idler pulleys are known to be the primary sources for 'belt squealing'. The pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).
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Bushing Contact With Wire Lead - Priced Each
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:14783536
Part#: 61130005199
In Stock
$ 3.99 USD
Free Shipping on orders $49 and up
Ina - Corporate Logo
T#:42301988
Part#: ZC0107
Ships in 8 Business Days
$ 20.99 USD
Free Shipping on orders $49 and up
Ensure peak lubrication performance and long-term engine reliability with the OEM INA Engine Oil Pump Chain
Glyco - Corporate Logo
T#:374670
Part#: 11211706849
Back Ordered
$ 177.99

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

$ 172.99 USD
Free Shipping
$ 172.99 USD
Free Shipping
Standard bore

Glyco - Corporate Logo
T#:374672
Part#: 11211706852
Back Ordered
$ 111.99

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

$ 108.99 USD
Free Shipping
$ 108.99 USD
Free Shipping
59.75MM(+0.25) bore

URO Valve Cover Nut W/ Seal & Washer - BMW S54 3.2L
2X Entries For Our G87 M2 Sweepstakes!
URO - Corporate Logo
T#:43750222
Part#: 11127838075
Back Ordered
$ 7.99 USD
Free Shipping on orders $49 and up
Replacement valve cover nut for your BMW's S54 valve cover