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Oil Cooler

BMWs use an external oil cooler to regulate the temperature of engine oil and prevent a breakdown in viscosity and lubrication characteristics. If yours has suffered damage or developed a slight leak, make sure to replace it and keep the engine oil where it is supposed to be. Keeping this system properly serviced will significantly improve performance and increase engine life.

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N54/N55 Low Temp Oil Thermostat Kit - 70c

10X Entries Into Our F80 M3 Sweepstakes

T#:52621839

Part#: 008731KT1

In Stock

Sale - Save 23% $ 74.98

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

$ 57.74 USD

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Sale - Save 23%

$ 74.98

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

$ 57.74 USD

Add to Wish List

Upgrade your stock oil cooler thermostat for improved performance. Swap your factory 110-degree Celsius thermostat for a new 70-degree Celsius version for faster oil flow and extended temperature control. With oil temperatures reaching 230 degrees Fahrenheit by the time your factory thermostat opens, initiating oil flow at lower temperatures proves more effective than attempting to cool down already elevated temperatures.

Utilizing a factory-style thermostat, this upgrade can be used in all weather conditions and allows your engine to warm up properly, unlike thermostat bypass kits.

Kit contents:

Lower temperature thermostat - 70c (158F) vs Factory 110c (230F)
Low temp thermostat spring

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CSF High-Performance Engine Oil Cooler - BMW G2X M340i/M440i & G42 M2...

2X Entries Into Our F80 M3 Sweepstakes

T#:55461376

Part#: 8372

Ships in 2 Business Days

$ 549.00 USD

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$ 549.00 USD

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An industry-leading reputation and overwhelming success with BMW cooling has made CSF the #1 cooling choice for the B58 power G2X M340i/M440i and G42 M240i. CSF continues to lead the way in G2X/G42 cooling, adding another product to the best-selling B58 cooling suite. With many motorsports teams and race enthusiasts now pushing over 1000 horsepower, the B58 is seeing oil temperatures well above normal. Once oil temperatures pass a safe limit, the G2X/G42 will go into limp mode. Needless to say, this can ruin a race, track session, or your overall driving fun in general. CSF is here to keep your B58 running at peak performance.

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Oil Cooler O-Ring Kit

T#:55245835

Part#: 11421703XKT

Ships in 1-2 days

$ 11.20 USD

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$ 11.20 USD

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This Genuine BMW Oil Cooler O-Ring Kit brings together the exact factory-spec seals needed to overhaul your lines and oil thermostat assembly.

URO Engine Oil Cooler - BMW N54 N55 S65

2X Entries Into Our F80 M3 Sweepstakes

T#:53079358

Part#: 17227521376

Ships in 2 Business Days

$ 432.99 USD

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$ 432.99 USD

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Located behind the lower vent of the front bumper cover, the oil cooler helps maintain proper oil temperature for your vehicle's engine.

CSF Universal Large Single-Pass Oil Cooler - Universal Application ...

2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler

T#:53608839

Part#: 8371

Ships in 4 Business Days

$ 499.00 USD

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$ 499.00 USD

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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.

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Coolant Pipe

2X Entries Into Our F80 M3 Sweepstakes

T#:57616351

Part#: 11537802632

Ships in 4 Business Days

$ 216.99 USD

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$ 216.99 USD

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Keep your M57 diesel engine running cool and leak-free with this premium replacement engine coolant pipe engineered by Rein Automotive.

Vargas Billet Oil Cooler Adapter Fittings - BMW G80 M3, G82 M4, G83 M...

2X Entries Into Our F80 M3 Sweepstakes

T#:51778119

Part#: VTT-G8X-OILCOOLE

Ships on Oct 14, 2026

$ 109.00 USD

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$ 109.00 USD

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The VTT G8X Billet Oil Cooler Adapter Fittings are the essential building blocks for any custom S58 oiling project.

Oil Cooler Hardware & Mount Kit

T#:55317710

Part#: 17211OCHMKT

Ships in 7 Business Days

$ 57.22 USD

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$ 57.22 USD

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This Genuine BMW Oil Cooler Mounting Kit replaces your tired, rusted, and dry-rotted original hardware with fresh factory-original components.

Oil Filter And Cooler Kit - E36

10X Entries Into Our F80 M3 Sweepstakes

T#:56616386

Part#: E36OILCLRKT

Ships on Oct 15, 2026

$ 1,149.99 USD

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$ 1,149.99 USD

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We’ve curated the ultimate complete retrofit kit that adapts the legendary Euro S50 oil filter housing to your US spec M50, M52, S50, or S52 engine. Featuring an upgraded CSF Euro Spec all-aluminum oil cooler, custom mounting brackets, and all necessary OEM seals, lines, and conversion hardware

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Oil Filter Housing With Filter & Cooler

T#:56724713

Part#: 11428596283

Special Order: No Guaranteed ETA

$ 149.99 USD

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$ 149.99 USD

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This assembly eliminates the hassle of sourcing individual components and gets your BMW back on the road operating at peak efficiency.

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Oil Cooler

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