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Mosselman Turbosystems 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
N54 & E8x/E9x N55 Mosselman Billet Oil Thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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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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BMW S55 Upgrade Turbocharger Set, MSL65-80
BMW S55 Upgrade Turbocharger Set, MSL65-80
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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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
Add to Wish List
Mosselman BMW S55 Upgrade Turbocharger Set, MSL65-80 (~ 650-800hp)
Mosselman S55 Billet Oil Thermostat - Black - BMW F8X S55 3.0L
Mosselman S55 Billet Oil Thermostat - Black - BMW F8X S55 3.0L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:37183641
Part#: 030210062BLK
In Stock
$ 459.00 USD
Free Shipping on orders $49 and up
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$ 459.00 USD
Free Shipping on orders $49 and up
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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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Mosselman BMW S58 Upgrade Turbocharger Set, MSL75-95
Mosselman BMW S58 Upgrade Turbocharger Set, MSL75-95
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:12872415
Part#: 10210020
Ships in 6 Business Days
$ 5,378.00 USD
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$ 5,378.00 USD
Free Shipping on orders $49 and up
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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 S55 Billet Oil Thermostat - Red - BMW F8X S55 3.0L
Mosselman S55 Billet Oil Thermostat - Red - BMW F8X S55 3.0L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:37183640
Part#: 030210063RED
Special Order: No Guaranteed ETA
$ 459.00 USD
Free Shipping on orders $49 and up
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$ 459.00 USD
Free Shipping on orders $49 and up
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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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Mosselman Stage 2 Turbo Upgrade - BMW N20 2.0L (With PWG)
Mosselman Stage 2 Turbo Upgrade - BMW N20 2.0L (With PWG)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:44359934
Part#: 010210013
In Stock
$ 2,518.00

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

$ 2,404.99 USD
Limited Qty Sale
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$ 2,518.00

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

$ 2,404.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
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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Mosselman BMW N54 Upgrade Turbocharger Set, MSL50-65
Mosselman BMW N54 Upgrade Turbocharger Set, MSL50-65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:12872407
Part#: 10210017
Ships in 6 Business Days
$ 3,719.00 USD
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$ 3,719.00 USD
Free Shipping on orders $49 and up
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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 PWG Upgrade Turbocharger, MSL48-60
Mosselman BMW N55 PWG Upgrade Turbocharger, MSL48-60
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Pneumatic Wastegate
Mosselman Turbosystems - Corporate Logo
T#:12872411
Part#: 10201016
Ships in 6 Business Days
$ 3,239.00 USD
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$ 3,239.00 USD
Free Shipping on orders $49 and up
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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 BMW N55 EWG Upgrade Turbocharger, MSL48-60
Mosselman BMW N55 EWG Upgrade Turbocharger, MSL48-60
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 $49 and up
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$ 3,524.99 USD
Free Shipping on orders $49 and up
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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 BMW N54 Upgrade Turbocharger Set, MSL50-65, 1 SERIES/RHD
Mosselman BMW N54 Upgrade Turbocharger Set, MSL50-65, 1 SERIES/RHD ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For RHD vehicles
Mosselman Turbosystems - Corporate Logo
T#:12872408
Part#: 10210018
Ships in 6 Business Days
$ 3,719.00 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 3,719.00 USD
Free Shipping on orders $49 and up
Add to Wish List
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 Stage 2 Turbo Upgrade - BMW N20 2.0L (With EWG)
Mosselman Stage 2 Turbo Upgrade - BMW N20 2.0L (With EWG)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mosselman Turbosystems - Corporate Logo
T#:40207515
Part#: 010210011
Special Order: No Guaranteed ETA
$ 2,518.00 USD
Add to Wish List
$ 2,518.00 USD
Add to Wish List
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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