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BMW Engine Parts

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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OEM Valeo Alternator - 180amp - E9X M3 S65
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Valeo - Corporate Logo
T#:377508
Part#: 12317837981
In Stock
$ 630.99

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

$ 404.99 USD
Free Shipping
$ 404.99 USD
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This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!
OEM Starter Motor - E46 M3 2001-2006
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Valeo - Corporate Logo
T#:2988
Part#: 12417835735
In Stock
$ 400.99

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

$ 293.99 USD
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$ 293.99 USD
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This is the starter motor for BMW E46 M3 2001-2006 is an OEM Valeo unit.

This item fits the following BMWs:
2001-2006 E46 BMW M3. M3 Convertible
2001-2002 Z3 BMW Z3 M Roadster Z3 M Coupe
2005-2008 E85 BMW Z4 M Roadster Z4 M Coupe
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Beru - Corporate Logo
T#:584875
Part#: 12218591724
In Stock
$ 185.00

This product was last offered at the strikethrough price on
08-13-2026

$ 126.99 USD
Free Shipping
$ 126.99 USD
Free Shipping
Sends power to the glow plugs to preheat them for ignition.

Voltage Regulator
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Valeo - Corporate Logo
T#:594108
Part#: 12317603775
Ships in 1 Business Day
$ 71.22

This product was last offered at the strikethrough price on
05-04-2026

$ 70.45 USD
Free Shipping on orders $49 and up
$ 70.45 USD
Free Shipping on orders $49 and up
Have you noticed inconsistent electrical power in your interior lately? Your voltage regulator is responsible for maintaining a constant voltage out from the alternator.

Performance Tool - Corporate Logo
T#:1809147
Part#: W5202
In Stock at Vendor
$ 21.99 USD
Free Shipping on orders $49 and up
Nitrile Butadiene Rubber
Performance Tool - Corporate Logo
T#:1809130
Part#: W89409
In Stock at Vendor
$ 126.99 USD
Free Shipping
$ 126.99 USD
Free Shipping
For servicing overhead valve engine with cylinder head removed.

OEM Valeo Alternator - E60 M5, E63/64 M6
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Valeo - Corporate Logo
T#:14835
Part#: 12317836592
Ships in 4 Business Days
$ 358.99 USD
Free Shipping
$ 358.99 USD
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This is a Valeo brand new 170 amp alternator. These alternators are built especially for extremes of heat, cold and high demand. Your BMW deserves nothing less than the best, which is why an OEM alternator is the best option. BMW alternators are built to last using the highest quality materials and the most technologically advanced processes. All alternator parts are 100% factory tested to assure that they meet or exceed original equipment specifications. And every alternator is fully load tested to guarantee compliance with BMW's strict performance specifications.

No core charge!

This item fits the following BMWs:
2006-2010 E60 BMW M5
2006-2010 E63 BMW M6

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Performance Tool - Corporate Logo
T#:2242226
Part#: W80533
Ships in 1 Business Day
$ 20.25 USD
Free Shipping on orders $49 and up
Extended socket length reaches confined areas.

Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70
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Valeo - Corporate Logo
T#:1196078
Part#: 12318510090
Ships in 1 Business Day
$ 91.37 USD
Free Shipping on orders $49 and up
$ 91.37 USD
Free Shipping on orders $49 and up
OEM replacement for you BMW alternator fixing charging issues

E46 M3, MZ3 S54 OEM Valeo Alternator (New)
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Valeo - Corporate Logo
T#:377735
Part#: 12317831436
In Stock at Vendor
$ 522.00

This product was last offered at the strikethrough price on
07-16-2026

$ 466.99 USD
Free Shipping
$ 466.99 USD
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The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies.

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Performance Tool - Corporate Logo
T#:2242223
Part#: W80573
Ships in 1 Business Day
$ 22.99 USD
Free Shipping on orders $49 and up
Use to install pistons on most passenger cars and truck engines
OMP - Corporate Logo
T#:1614
Part#: EA-462
In Stock
$ 65.00 USD
Free Shipping
$ 65.00 USD
Free Shipping
OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Alta Performance - Corporate Logo
T#:394899
Part#: AMPENG500
In Stock
$ 129.99 USD
Free Shipping
$ 129.99 USD
Free Shipping

ALTA Lightweight Crank Pulley (LCP) for Mini

Upgrade your Mini's performance with the ALTA Lightweight Crank Pulley (LCP), designed to increase horsepower and torque. Available in two sizes - 0% Stock Sized and +2% Oversized - this pulley is engineered for Supercharged Cooper S models. Crafted from 6061T6 aluminum, the ALTA pulley is lightweight, weighing just 0.65 lbs, providing a weight reduction of over 2.3 lbs compared to the stock crank pulley.

  • Increases horsepower and torque
  • Lightweight design reduces rotational mass
  • Does not wear out engine bearings or oil pump
  • Adds boost safely and reliably
  • Improves belt contact with pulleys, reducing wear
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Beru - Corporate Logo
T#:23383348
Part#: 12137510738
In Stock
$ 92.99

This product was last offered at the strikethrough price on
08-17-2026

$ 75.02 USD
Free Shipping on orders $49 and up
$ 75.02 USD
Free Shipping on orders $49 and up
Is your Mini experiencing sluggish acceleration or misfires? It might be time to check the coil pack. The coil pack plays a crucial role in the ignition system and can affect engine performance. Replace it as necessary or ideally every 100,000 miles to keep your Mini's ignition system operating smoothly.
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Alta Performance - Corporate Logo
T#:26238480
Part#: AMPENG520
In Stock at Vendor
$ 129.99 USD
Free Shipping on orders $49 and up

Enhance the performance of your Mini with the ALTA Lightened Crank Pulley (LCP), engineered to increase horsepower and torque. Available in 0% Stock Sized and +2% Oversized options, this pulley is crafted from 6061T6 aluminum, weighing only 0.65 lbs. Significantly lighter than the stock crank pulley, the ALTA LCP ensures improved engine efficiency without adding vibration or noise. The +2% Oversized pulley provides additional boost for Supercharged Cooper S models, delivering safe and reliable performance. With increased belt contact, this pulley reduces wear and enhances durability, making it a must-have upgrade for Mini enthusiasts.

  • Increases horsepower and torque
  • Lightweight 6061T6 aluminum construction
  • Available in 0% Stock Sized and +2% Oversized options
  • Does not affect charging system
  • Improves engine efficiency and performance
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Alta Performance - Corporate Logo
T#:586220
Part#: AMPENG208
In Stock at Vendor
$ 93.99 USD
Free Shipping
$ 93.99 USD
Free Shipping

Crafted from machined 6061 billet aluminum, the ALTA Performance Pulley Removal Tool is specifically designed for the non-JCW MINI Cooper S, offering a convenient way to enhance power quickly and effortlessly, whether you're in a workshop or your backyard. This versatile tool ensures durability and can be utilized repeatedly with proper usage, maintenance, and care. An essential addition for MINI specialty shops, this tool is compatible with all OEM-sized pulleys, except for JCW variants. Note: A steering wheel puller is necessary for the removal of the stock supercharger pulley.

  • Crafted from machined 6061 billet aluminum
  • Designed for non-JCW MINI Cooper S
  • Durable for repeated use with proper care
  • Ideal for MINI specialty shops
  • Compatible with all OEM-sized pulleys (excluding JCW)
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Alta Performance - Corporate Logo
T#:15777319
Part#: AMPENG200V2
In Stock
$ 123.99 USD
Free Shipping on orders $49 and up

Enhance your Mini's performance with the ALTA Supercharger Pulley, crafted from lightweight 6061T6 aluminum. This pulley reduces the rotational inertia of the supercharger, significantly enhancing engine responsiveness. Featuring cross-drilled holes over each groove, it improves belt grip and minimizes belt slippage as the belt stretches. Additionally, oversized belt retainers prevent belt jumping.

ALTA offers two reduction sizes: 15% and 17%, each providing distinct benefits.

  • 15% Reduction: The standard choice in the market, delivering smooth power increases of approximately 20WHP for safe performance enhancements.
  • 17% Reduction: Ideal for those seeking more power, this option builds boost at lower RPMs, providing additional power where needed. It delivers an extra 1.5psi of boost at redline, ensuring added horsepower to conquer challenging situations.
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Sunex - Corporate Logo
T#:391150
Part#: SUU884506
In Stock
9% off MSRP $ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 28.99 USD
Free Shipping on orders $49 and up
9% off MSRP
$ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 28.99 USD
Free Shipping on orders $49 and up
3/8" drive socket with 5/8" opening for most spark plugs

Alternator - 150 Amp - Valeo
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:579634
Part#: 439590
In Stock
$ 620.35

This product was last offered at the strikethrough price on
05-03-2026

$ 518.99 USD
Limited Qty Sale
Free Shipping
$ 620.35

This product was last offered at the strikethrough price on
05-03-2026

$ 518.99 USD
Limited Qty Sale
Free Shipping
Valeo New Alternator - 80 Amp - E34, E36
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:377737
Part#: 12311744564
In Stock at Vendor
$ 549.99

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

$ 533.99 USD
Free Shipping
$ 533.99 USD
Free Shipping
Brand new unit with no core charge

OEM Valeo Alternator - 185 amp
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:376244
Part#: 12317525376
Ships in 1 Business Day
$ 730.23

This product was last offered at the strikethrough price on
07-16-2026

$ 673.90 USD
Free Shipping
$ 673.90 USD
Free Shipping

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

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Valeo Brand New Alternator - E89 Z4 M Coupe/Roadster
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:379218
Part#: 12317837691KT
Ships in 5 Business Days
$ 378.99 USD
Free Shipping
$ 378.99 USD
Free Shipping

This is a brand new Valeo alternator. BMW Alternators are built especially for extremes of heat, cold and high demand. Your BMW deserves nothing less than the best, which is why an OEM Valeo alternator is the best option. BMW alternators are built to last using the highest quality materials and the most technologically advanced processes. All alternator parts are 100% factory tested to assure that they meet or exceed original equipment specifications. And every alternator is fully load tested to guarantee compliance with BMW's strict performance specifications. 

No core charge!

Fits the following BMW Chassis:

E89 BMW Z4 M Coupe, M Roadster

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Performance Tool - Corporate Logo
T#:2242222
Part#: W80572
Ships in 1 Business Day
$ 21.99 USD
Free Shipping on orders $49 and up
Use to install pistons on most passenger cars and truck engines
Alternator
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:594101
Part#: 12318570672
In Stock at Vendor
$ 1,094.99

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

$ 1,062.99 USD
Free Shipping on orders $49 and up
$ 1,062.99 USD
Free Shipping on orders $49 and up
Replacement Alternator from Valeo


Valeo - Corporate Logo
T#:594588
Part#: 12417616502
In Stock
$ 265.76 USD
Free Shipping
$ 265.76 USD
Free Shipping
Brand new unit - no core charge! Avoid messing with a core return entirely!
OEM Valeo New Alternator - 230amp
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:383432
Part#: 12317603782
Ships on Sep 16, 2026
$ 730.99 USD
Free Shipping
$ 730.99 USD
Free Shipping

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

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Valeo New Alternator - 230 Amp - E71, F01, F02
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:579635
Part#: 439640
Ships on Sep 16, 2026
$ 590.99 USD
Free Shipping
$ 590.99 USD
Free Shipping
New Replacement Alternator From Valeo - 12317603781

Beru - Corporate Logo
T#:14982199
Part#: 121200405516KT
Back Ordered
$ 95.99 USD
Free Shipping on orders $49 and up
$ 95.99 USD
Free Shipping on orders $49 and up

OEM Valeo Alternator - E60 E63 E65 550i 650i 750i
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:379446
Part#: 12317542935KT
Ships in 5 Business Days
$ 444.99 USD
Free Shipping
$ 444.99 USD
Free Shipping

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

For vehicles with production date from 03/2005.

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Valeo - Corporate Logo
T#:371896
Part#: 12317501599
In Stock
$ 323.99 USD
Free Shipping
$ 323.99 USD
Free Shipping

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

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OEM Valeo Starter (New)
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:380773
Part#: 12417835737
Back Ordered
$ 593.99 USD
Free Shipping
$ 593.99 USD
Free Shipping
A failed starter will leave even the best-maintained BMW stranded. Replace your failed starter motor with this brand new replacement from Valeo. Valeo is an OEM BMW supplier - save money and by quality parts by buying them in a different  box!                          
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Valeo Alternator - 180 Amp - E70
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:377914
Part#: 12317561004
Ships in 5 Business Days
$ 482.99 USD
Free Shipping
$ 482.99 USD
Free Shipping
Brand new unit with no core charge.

Beru - Corporate Logo
T#:596879
Part#: 12321350052
In Stock at Vendor
$ 41.99

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

$ 40.99 USD
Free Shipping on orders $49 and up
$ 40.99 USD
Free Shipping on orders $49 and up
If you are having issues with voltage peaking, lights fading in and out as your driving, or your battery keeps dying despite the car running, It could be the result of a faulty voltage regulator. Voltage regulators control the amount of power coming from the alternator.
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Beru - Corporate Logo
T#:46512968
Part#: 12122293697KT2
Ships in 1 Business Day
$ 82.99

This product was last offered at the strikethrough price on
05-02-2026

$ 71.99 USD
Free Shipping on orders $49 and up
$ 71.99 USD
Free Shipping on orders $49 and up
Keep your engine running smooth and performing at its best by refreshing your plugs as part of your routine maintenance.
Alta Performance - Corporate Logo
T#:586157
Part#: AMPENG205V2
In Stock
$ 123.99 USD
Free Shipping
$ 123.99 USD
Free Shipping

Crafted from lightweight 6061T6 aluminum, the ALTA SC pulley body reduces the supercharger's rotational inertia, significantly enhancing your Mini's engine responsiveness. This innovative pulley design integrates cross-drilled holes to amplify belt grip and mitigate belt slippage, especially during belt stretching. Furthermore, it incorporates oversized belt retainers to prevent belts from jumping off. Available in two sizes—15% and 17% reductions—the 15% reduction option, a market standard, delivers safe power gains of around 20WHP, ensuring a smoother and enhanced performance.

Benefits:

  • Enhanced engine responsiveness
  • Improved belt grip and reduced slippage
  • Safe power increase of around 20WHP (15% reduction)
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Performance Tool - Corporate Logo
T#:1855974
Part#: W942
Ships in 6 Business Days
$ 8.99 USD
Free Shipping on orders $49 and up
Includes straight, angled and combination picks
Alternator - 220 Amp
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:594099
Part#: 12317560989
Ships on Sep 9, 2026
$ 574.96 USD
Free Shipping
$ 574.96 USD
Free Shipping
Replacement Alternator from Valeo
Performance Tool - Corporate Logo
T#:641935
Part#: WLMW5203
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up
Many uses around the garage and home

Performance Tool - Corporate Logo
T#:1855998
Part#: W80535
Ships in 1-2 days
$ 1.99 USD
Free Shipping on orders $49 and up
Easy to read markings to set gaps quickly and easily.

Performance Tool - Corporate Logo
T#:1809138
Part#: W125C
Ships in 1 Business Day
$ 9.99 USD
Free Shipping on orders $49 and up
Thickness Gauge (32 Blades)
Performance Tool - Corporate Logo
T#:5095705
Part#: W54063
Ships in 1 Business Day
$ 5.99 USD
Free Shipping on orders $49 and up
Service the most stubborn Oil Filters and Housings

Performance Tool - Corporate Logo
T#:1809133
Part#: W80575
Ships in 1 Business Day
$ 17.62 USD
Free Shipping on orders $49 and up
Comfortable vinyl grip handles.
Alta Performance - Corporate Logo
T#:27938418
Part#: AMPENG195BK
In Stock at Vendor
$ 99.99 USD
Free Shipping on orders $49 and up

MINI R52 R53 Adjustable Tensioner Stop - Black

Upgrade your Mini's engine with the MINI R52 R53 Adjustable Tensioner Stop - Black. Engineered for precision and durability, this tensioner stop allows for easy adjustment of belt tension, ensuring optimal performance. Say goodbye to belt slippage and enjoy improved engine reliability with this high-quality accessory.

  • Allows for easy adjustment of belt tension
  • Prevents belt slippage for improved engine reliability
  • Engineered for precision and durability
  • Enhances performance of your Mini's engine
  • Sleek black design adds a stylish touch
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Alternator
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:594100
Part#: 12317561002
In Stock at Vendor
$ 794.99

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

$ 771.99 USD
Free Shipping
$ 771.99 USD
Free Shipping
The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.
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Valeo Alternator - E53
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:377182
Part#: 12317540994
In Stock
$ 384.99 USD
Free Shipping
$ 384.99 USD
Free Shipping
Restore charging system voltage with a new alternator
Performance Tool - Corporate Logo
T#:1809154
Part#: W5368
Ships in 1 Business Day
$ 13.68 USD
Free Shipping on orders $49 and up
A must for any toolbox.


Alternator - 220 Amp
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:639716
Part#: 12317804266
In Stock at Vendor
$ 822.99

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

$ 799.99 USD
Free Shipping
$ 799.99 USD
Free Shipping
Optima - Corporate Logo
T#:26238452
Part#: OPT-35
Special Order: No Guaranteed ETA
$ 332.99 USD
$ 332.99 USD

Elevate your Mini's performance with the REDTOP High-Performance AGM Battery, the ultimate starting battery designed to ensure a reliable ignition every time. Engineered for strong starting bursts, this battery offers high-power delivery and extreme resistance to common causes of battery failure. Enjoy key benefits including up to 3X longer life, 15 times more vibration resistance, virtually spill-proof design, and mountability in any position. With maintenance-free operation and faster recharging, this battery provides optimal starting power for your Mini.

  • Strongest starting burst for reliable ignition
  • Up to 3X longer life for extended durability
  • 15 times more vibration resistance for enhanced reliability
  • Virtually spill-proof design for peace of mind
  • Mountable in virtually any position for convenience
  • Maintenance-free operation for hassle-free use
  • Faster recharging for minimal downtime
  • Optimal starting power for your Mini

Specs:

  • Weight: 31.7 lbs
  • Reserve Capacity: 44 Ah
  • Post Type: SAE Post
  • CCA: 720 Amp
  • Width: 6.75 in
  • Length: 9.38 in
  • Height: 7.69 in
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