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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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N54 & E8x/E9x N55 Mosselman Billet Oil Thermostat
For Gasket/Install kit see T#4799665
Mosselman Turbosystems - Corporate Logo
T#:4621131
Part#: OTN54.T85
In Stock
$ 379.99 USD
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$ 379.99 USD
Free Shipping
The N54 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.
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Beru - Corporate Logo
T#:584875
Part#: 12218591724
In Stock at Vendor
$ 185.00

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

$ 129.99 USD
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$ 129.99 USD
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Sends power to the glow plugs to preheat them for ignition.
BMW S55 Upgrade Turbocharger Set, MSL65-80
Available for the BMW F8x (M2 Competition, M3 and M4)
Mosselman Turbosystems - Corporate Logo
T#:12872412
Part#: 10210019
In Stock
2% off MSRP $ 5,098.00

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

$ 4,978.00 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 5,098.00

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

$ 4,978.00 USD
Free Shipping on orders $49 and up
Mosselman BMW S55 Upgrade Turbocharger Set, MSL65-80 (~ 650-800hp)

Mosselman Turbosystems - Corporate Logo
T#:37183641
Part#: 030210062BLK
Ships in 4 Business Days
$ 459.00 USD
Free Shipping on orders $49 and up
The S55 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.
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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
Ships in 3 Business Days
$ 92.99 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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Autel - Corporate Logo
T#:2914116
Part#: AL329
Ships in 1 Business Day
$ 49.99 USD
Free Shipping on orders $49 and up
OBDII Code Reader
Mosselman Turbosystems - Corporate Logo
T#:12872415
Part#: 10210020
Ships in 6 Business Days
$ 5,378.00 USD
Free Shipping on orders $49 and up
This Mossleman upgraded turbocharger will bring reliable high performance to your S58 engine! Depending on modifications done to the vehicle, this turbo can deliver up to 950hp!
Mosselman Turbosystems - Corporate Logo
T#:37183640
Part#: 030210063RED
Special Order: No Guaranteed ETA
$ 459.00 USD
Free Shipping on orders $49 and up
The S55 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.
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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
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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Mosselman Turbosystems - Corporate Logo
T#:44359934
Part#: 010210013
In Stock
Sale - Save 5% $ 2,518.00

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

$ 2,392.10 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 2,518.00

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

$ 2,392.10 USD
Free Shipping on orders $49 and up
The Mosselman Upgrade Turbocharger (MSL38-50) for the N20 PWG engine increases performance levels with proven reliability. Depending on the modifications done to the car and fuel type, this turbo set can deliver up to 500hp!
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Dr. VANOS - Corporate Logo
T#:3428562
Part#: 11361438694RKT
Ships in 1 Business Day
$ 525.99

This product was last offered at the strikethrough price on
04-15-2026

$ 466.00 USD
Free Shipping
$ 466.00 USD
Free Shipping
OEM - Corporate Logo
T#:37149889
Part#: 11428643749
Ships in 2 Business Days
$ 535.99 USD
Free Shipping on orders $49 and up

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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Autel - Corporate Logo
T#:2914136
Part#: MSULTRA
Ships in 6 Business Days
$ 12,306.99 USD
Free Shipping on orders $49 and up
The MaxiSys Ultra is Autel’s most ambitious diagnostics tablet designed to maximize technician intelligence.
Beru - Corporate Logo
T#:168056
Part#: 82110404488
Ships in 1 day
$ 79.48 USD
Free Shipping on orders $49 and up

Revitalize your Mini's performance with Beru MINI Cooper Spark Plug Wires, designed to restore power and ensure optimal engine function. Recommended for replacement at 60,000-mile intervals, these wires play a crucial role in maintaining ignition efficiency. If you're experiencing low spark or misfires and have ruled out issues with the coil or spark plugs, faulty spark plug wires could be the culprit. Keep your Mini running smoothly by replacing worn-out wires that may have developed rust on the connections. With this wire set, enjoy happy motoring and consistent spark across all cylinders. Beru MINI Cooper Spark Plug Wires provide the reliability and quality your Mini deserves.

  • Restores power and performance
  • Recommended replacement at 60,000-mile intervals
  • Addresses issues like low spark or misfires
  • Prevents rust buildup for consistent ignition
  • Includes plug wires for cylinders 1 - 4
  • Ensures happy motoring and great spark
MINI IGNITION LEAD RETROFIT KIT B
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OEM - Corporate Logo
T#:12348304
Part#: 13517588879
Ships in 1 day
$ 899.99 USD
Free Shipping
$ 899.99 USD
Free Shipping


Alta Performance - Corporate Logo
T#:586195
Part#: AMPENG213
Ships in 7 Business Days
$ 32.00 USD
Free Shipping on orders $49 and up

Upgrade your Mini's supercharger with the Supercharger Pulley Belt from Alta Performance. Specifically designed for the R52 R53 W11 1.6L Engine and compatible with Alta 15% and 17% pulleys (part number 60535), this belt ensures optimal performance. Don't let a worn-out belt cause annoying squeaks under the hood – replace it every 30,000 miles and keep your Mini running smoothly.

  • Designed for R52 R53 W11 1.6L Engine
  • Compatible with Alta 15% and 17% pulleys
  • Connects main pulley to alternator, water pump, and air conditioner pump pulley
  • Replace every 30,000 miles to maintain optimal performance
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Mosselman BMW N55 PWG Upgrade Turbocharger, MSL48-60
For vehicles with Pneumatic Wastegate
Mosselman Turbosystems - Corporate Logo
T#:12872411
Part#: 10201016
Ships in 6 Business Days
$ 3,239.00 USD
Free Shipping on orders $49 and up
This Mossleman upgraded turbocharger will bring reliable high performance to your N55 PWG engine! Depending on modifications done to the vehicle, this turbo can deliver up to 600hp!
Mosselman Turbosystems - Corporate Logo
T#:12872407
Part#: 10210017
Ships in 6 Business Days
$ 3,719.00 USD
Free Shipping on orders $49 and up
This plug and play turbocharger set from Mosselman is precision made to boost your power reliably for your N54 engine. Depending on the modifications done to the car, you could see up to 650hp!

Mosselman BMW N55 EWG Upgrade Turbocharger, MSL48-60
For vehicles with Electronic Wastegate
Mosselman Turbosystems - Corporate Logo
T#:12872410
Part#: 10210014
Ships in 6 Business Days
$ 3,524.99 USD
Free Shipping on orders $49 and up
This Mossleman upgraded turbocharger will bring reliable high performance to your N55 EWG engine! Depending on modifications done to the vehicle, this turbo can deliver up to 600hp!

Mosselman Turbosystems - Corporate Logo
T#:12872408
Part#: 10210018
Ships in 6 Business Days
$ 3,719.00 USD
Free Shipping on orders $49 and up
This plug and play turbocharger set from Mosselman is precision made to boost your power reliably for your N54 engine. Depending on the modifications done to the car, you could see up to 650hp!
Beru - Corporate Logo
T#:338884
Part#: FGR-6DDU
Back Ordered
Sale - Save 17% $ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
Sale - Save 17%
$ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
RACING SPARK PLUG FOR M50/M52/M54 ENGINES
These spark plugs are recommended by BMW Motorsport for use in their DTC racing engines. We find a slight horsepower increase and greatly increased durability over the OEM road car spark plugs in competition use. We attribute the improvements to the fact that these spark plugs are designed for the high temperatures and cylinder pressures encountered in a racing engine. These spark plugs are a direct replacement and come pre-gapped just like the factory road car plugs.
Please note: these plugs are not for the S54 engine in the E46 M3, MZ3, or Z4 M
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Mosselman Turbosystems - Corporate Logo
T#:40207515
Part#: 010210011
Special Order: No Guaranteed ETA
$ 2,518.00 USD
$ 2,518.00 USD
The Mosselman Upgrade Turbocharger (MSL38-50) for the N20 EWG engine increases performance levels with proven reliability. Depending on the modifications done to the car and fuel type, this turbo set can deliver up to 500hp!
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Beru - Corporate Logo
T#:596875
Part#: 12131730412
Back Ordered
$ 15.99 USD
Free Shipping on orders $49 and up
Sometimes a bad coil may just be a broken or damaged connector boot. This is especially true on cars with a leaking valve cover gasket where the oil has contamintated the rubber boot and the electrical parts inside. This boot can be replaced on its own without having to buy a whole new coil. This part is also useful if you purchased a coil that did not come with a new boot.
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Beru - Corporate Logo
T#:637736
Part#: 12120040551
Back Ordered
$ 15.99 USD
Free Shipping on orders $49 and up
$ 15.99 USD
Free Shipping on orders $49 and up