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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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Braille Performance Endurance AGM Battery - B10049 - 58lbs
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
Braille - Corporate Logo
T#:558078
Part#: B10049
In Stock
$ 446.99 USD
$ 446.99 USD
This Group 49 Endurance AGM battery is an ideal upgrade from the factory battery, offering higher cranking power and a longer battery life for less waste and lower cost to the customer. Plus, this battery is maintenance free and won't eat holes in the battery tray and surrounding areas of your car. Endurance AGM batteries from Braille are a drop-in OEM replacement that requires no modifications to be made for installation, has the highest cranking power and longest run times in their class, and also feature AGM internal racing technology developed for their Advanced AGM and Carbon Fiber batteries.
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Braille - Corporate Logo
T#:558037
Part#: B14115
Ships in 5 Business Days
$ 204.99 USD
Free Shipping on orders $49 and up
When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your cars operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind!
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Braille - Corporate Logo
T#:558038
Part#: B2015
Ships in 7 Business Days
$ 237.99 USD
Free Shipping on orders $49 and up
When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your cars operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind! The B2015 is Braille's most popular non-carbon racing battery and is able to start larger engines easily for racing and offers daily driving capability for most 4 and 6 cylinders engine vehicles. Physical Specifications: BCI Group: All sizes Weight: 15lbs / 6.8kg Length: 6.8" / 173mm Width: 3.4" / 86mm Height: 6.1" / 155mm Polarity: Right Side Positive Performance Specifications: Voltage: 12 Full Charge Voltage: 13.2 Pulse Cranking Amps (PCA): 1067 Amp Hour (AH): 21 Life Cycle @ 10% DOD: 3100 *THIS BATTERY REQUIRES A CUSTOM MOUNTING SOLUTION. The size and weight are significantly smaller than a stock battery and will not be held in place by the stock battery mount*
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Braille - Corporate Logo
T#:558042
Part#: B3121
Ships in 6 Business Days
$ 270.99 USD
Free Shipping on orders $49 and up
When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your car's operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind! The B3121 battery from Braille is their lightest do-everything battery available, offering 1380 pulse cranking amps that can crank over V8 engines with ease while still coming in at under 22 pounds, half of the weight of a standard Group 34 battery! This is thanks to their Advanced AGM racing technology that allows them to put a ton of power into a very small package. Physical Specifications: BCI Group: All sizes Weight: 21lbs / 9.5kg Length: 6.6" / 168mm Width: 5.2" / 132mm Height: 6.8" / 173mm Polarity: Right Side Positive Terminal Type: Steel terminal block with M6 bolt Performance Specifications: Voltage: 12v Recharge Voltage: 14.4V – 14.6V Maintenance charge voltage: 13.8V 5s Pulse Cranking Amps (PCA): 1380 10s PDC: 124 Amp Hour (Ah): 31 Watt Hour (Wh): 372 Life Cycle @ 10% DOD: 3100 Charging Temperature 0C to 50C Discharge Temperature range -40C to +60C Storage temperature -40C to +60C *THIS BATTERY REQUIRES A CUSTOM MOUNTING SOLUTION. The size and weight are significantly smaller than a stock battery and will not be held in place by the stock battery mount*
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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.
Braille Performance Intensity Carbon Lithium-ION Battery - i48CX - 10...
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
Braille - Corporate Logo
T#:558047
Part#: I48CX
Ships in 4 Business Days
$ 1,164.99 USD
Free Shipping on orders $49 and up
The ultra-lightweight, standard height I48CX lithium-ION battery from Braille Battery is a popular choice among BMW enthusiasts looking for a drop-in replacement battery that shaves off a ton of weight, 35 pounds in total! Thanks to the Group 48 design of this battery, no modifications are needed for installation. This is perfect for anyone looking to drive their car both on and off of the track, without any negative side effects, and wants a battery with a 10-15 year life span!
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Braille - Corporate Logo
T#:36947237
Part#: B48-H6-L3
Ships in 4 Business Days
$ 398.99 USD
$ 398.99 USD
Braille - Corporate Logo
T#:558046
Part#: G30
Ships on Sep 9, 2026
$ 522.99 USD
Free Shipping on orders $49 and up
The G30 lithium battery from Braille is designed for the Import Tuner market (4 and 6 cylinder) for track use and has enough power for small black V8 race cars and hot rods with light electrical demands/accessories and standard compression. The G30 comes in the popular ETX 30 Group size, just like the B3121 AGM, so it is small and light enough to mount in a variety of locations. Incorporated in this battery is the same technology used in their race winning batteries used by nearly every OEM developer in classes ranging from SCCA to Formula 1.
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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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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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Braille - Corporate Logo
T#:54388454
Part#: I34RX
Ships in 6 Business Days
New Item
$ 949.99 USD
Free Shipping on orders $49 and up
Whether you're building a dedicated track weapon or upgrading your street machine for ultimate reliability, unsprung and upper-chassis weight is the enemy of performance. Positioned high up in the engine bay or rear corners, a heavy factory battery negatively impacts your car's center of gravity.
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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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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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Beru - Corporate Logo
T#:168056
Part#: 82110404488
Ships in 1-2 days
$ 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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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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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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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
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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