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Mahle-Behr Coolant Expansion Tank - E82/88 Z4 E9X N52 N54 3.0L
Mahle-Behr Coolant Expansion Tank - E82/88 Z4 E9X N52 N54 3.0L ...
Mahle-Behr - Corporate Logo
T#:350824
Part#: 17137640514
Ships in 1 Business Day
$ 142.99

This product was last offered at the strikethrough price on
02-20-2026

$ 130.99 USD
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Upgrade your BMW's cooling system with the Turner Motorsport Mahle Coolant Expansion Tank. This essential component provides additional space for coolant expansion and contraction, ensuring optimal performance in varying temperatures. Designed to withstand drastic temperature changes, this expansion tank prevents coolant leaks and maintains proper coolant levels in your vehicle. Replace your damaged tank to keep your BMW's cooling system running smoothly.

Key Benefits:

  • Prevents coolant leaks and loss
  • Ensures proper coolant expansion and contraction
  • Durable construction for long-lasting performance
  • Direct replacement for damaged tanks
  • Compatible with various BMW models
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OEM Mahle-Behr Thermostat - E82 E9X E60 X3 Z4 with N52 N54 engines
OEM Mahle-Behr Thermostat - E82 E9X E60 X3 Z4 with N52 N54 engines ...
Mahle-Behr - Corporate Logo
T#:341203
Part#: 11537549476
In Stock
$ 135.99

This product was last offered at the strikethrough price on
07-31-2026

$ 108.99 USD
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$ 108.99 USD
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Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands from the engine. And cooling components are working harder than ever. Engine performance is also dependent on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part. 

The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended). 

This thermostat fits the following BMWs:
2008+  E82  BMW 128i 135i
2007+  E9X  BMW 325i 325xi 328i 328xi 330i 335i 335xi
2006+  E60  BMW 525i 525xi 528i 528xi 530i 530xi 535i 535xi
2006+  X3  BMW X3 3.0i X3 3.0si
2006+  Z4  BMW Z4 3.0i Z4 3.0si
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E82 128i, E9X 325/328/330 Automatic OEM Behr Radiator
E82 128i, E9X 325/328/330 Automatic OEM Behr Radiator
For vehicles with Automatic Transmissions only
Mahle-Behr - Corporate Logo
T#:341215
Part#: 17117562079
Ships in 5 Business Days
$ 278.00 USD
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$ 278.00 USD
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This is a RADIATOR for BMW 3 series with the N52/N52N engine (3.0 liter naturally aspirated) from 2006 to 2009 WITH AUTOMATIC TRANSMISSION. Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This part fits the following BMWs
2008+  E82 BMW  128i N52
2006-2011  E90 BMW  325i 325xi 328i 328xi 328i xDrive 330i 330xi N52/N52N- Sedan
2006-2012  E91 BMW  325xi 328i 328xi 328i xDrive N52/N52N - Wagon
2007-2013  E92 BMW  328i 328xi 328i xDrive N52/N52N - Coupe
2007-2013  E93 BMW  328i N52/N52N- Convertible
2009+  Z4 BMW  Z4 sDrive30i
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Active Autowerke Rotrex Traction Fluid - One Liter
Active Autowerke Rotrex Traction Fluid - One Liter
Active Autowerke - Corporate Logo
T#:397307
Part#: 12-032
Ships in 3 Business Days
$ 240.00 USD
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$ 240.00 USD
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Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml). 
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E82 128i, E9X 325i/xi 328i/xi OEM Behr Radiator
E82 128i, E9X 325i/xi 328i/xi OEM Behr Radiator
Mahle-Behr - Corporate Logo
T#:341214
Part#: 17117559273
In Stock at Vendor
$ 316.58

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

$ 316.56 USD
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$ 316.56 USD
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This is a BEHR brand replacement radiator for E90 325i/xi 328i/xi E92 328i/xi, E93 328i, E28 128i, with  N52 or N52N engines  Not for cars with N51 SULEV engine. This radiator is made by BEHR, an original equipment supplier to BMW. BEHR radiators are what we use our own BMWs and customer installs. We've found the BEHR radiator has the highest lifespam, least amount of manufacturing defects, and best continued cooling performance. Simply put, you do not want anything else in your BMW but a BEHR brand radiator.

This item fits the following Manual Transmissionl BMWs:
2008+  E82 BMW  128i
2007-2012  E90 BMW  325i 325xi 328i 328xi 328i xDrive - Sedan
2007-2012  E91 BMW  325xi 328i 328xi 328i xDrive - Wagon
2007-2013  E92 BMW  328i 328xi 328i xDrive - Coupe
2007-2013  E93 BMW  328i - Convertible
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Active Autowerke N54 Blow Off Valve Kit - E82 135i, 1M, E9X 335i
Active Autowerke N54 Blow Off Valve Kit - E82 135i, 1M, E9X 335i ...
Active Autowerke - Corporate Logo
T#:4416
Part#: AABOVKIT-N54
In Stock
$ 565.99 USD
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$ 565.99 USD
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As Used on Project E92 335i
When adding boost to the N54 engine, it's important to consider effects throughout the rest of the system. Additional boost can overwhelm the stock BMW diverter valve system and lead to boost leakage, or boost spikes, and lost horsepower. With the factory components in place it's hard to maintain consistently high boost levels. Instead of the weak plastic components of the stock system, Active Autowerke uses a CNC-machined and mandrel-bent aluminum tube with a Venturi blow-off valve in place of the original diverter valves. The blow-off valve dumps overboost into the atmosphere for that distinctive turbo 'whoosh' sound. The single AA BOV is over-sized for the N54 application - taking the place of the two small diverter valves, and verified to handle over 600hp. With the BOV acting properly your turbos and other components are protected from compressor surge caused by excess pressure build-up.

We like the Active BOV better than other forms of diverter and BOV kits because it's tried and true - AA was the original turbo BMW tuners and their experience is second to none. That's why they took the time to engineer their kit to fit perfectly, using the OE-type connector to the throttle body, and high-strength silicone to the lower intercooler tube. Each connection is a tight, leak-free seal. The kit comes complete with the discharge tube, vacuum plugs for the stock hoses, and instructions. The tube is powdercoated in black and with a wrinkle finish for an OE appearance.

This item fits the following BMWs with N54 engine:
2008-2010 E82 BMW 135i 1M
2007-2010 E90 BMW 335i 335xi 335i xDrive
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive
2007-2010 E93 BMW 335i
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Mahle-Behr Oil Cooler - Multiple BMWs
Mahle-Behr Oil Cooler - Multiple BMWs
Mahle-Behr - Corporate Logo
T#:591695
Part#: 11427525333
In Stock
$ 154.99

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

$ 105.99 USD
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$ 105.99 USD
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Heat Exchanger - This item fits the following BMW Chassis: E70 X5,E71,E82,E83 X3,E85,E86,E89 Z4,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26,N51,N51,N52,N52N,N54,N55
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N55 Charge Pipe Upgrade
N55 Charge Pipe Upgrade
Active Autowerke - Corporate Logo
T#:341887
Part#: 135N55CP-KIT
Ships in 3 Business Days
$ 189.99 USD
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$ 189.99 USD
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Active Autowerke Signature Trunk Emblem
Active Autowerke Signature Trunk Emblem
Active Autowerke - Corporate Logo
T#:590914
Part#: AASIGNATUREPLAQU
Ships in 3 Business Days
4% off MSRP $ 45.00

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

$ 43.00 USD
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4% off MSRP
$ 45.00

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

$ 43.00 USD
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Stand out from the crowd, and give them a hint of what you've got going on under the hood, with the official Active Autowerke Signature Emblem! The emblem can be placed anywhere on the exterior, or interior of your BMW. Hefty stainless steel construction and durable double-sided tape will help ensure that it is never lost, even at speeds over 170+ MPH...Don't ask us how we know! Represent your favorite BMW tuner for all to see today!
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Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i
Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i ...
Active Autowerke - Corporate Logo
T#:388675
Part#: 340366TCKD4AMN6T
Ships in 3 Business Days
$ 189.99 USD
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$ 189.99 USD
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Green Filter Cleaning Kit
Green Filter Cleaning Kit
Active Autowerke - Corporate Logo
T#:397308
Part#: 15-011
Ships in 3 Business Days
$ 32.99 USD
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$ 32.99 USD
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Includes Recharge Oil (8 oz.) and Cleaner Spray (12 oz.). The recharge oil traps the smallest dirt particles, ensuring your engine is breathing clean air. The oil creates a positive magnetic charge with the filter's stainless steel mesh. This positive charge attracts negatively charged dust particles entering the filter, clearing them off the cotton and allowing for maximum airflow. The oil also contains a swelling additive for the cotton filtration media - this allows filtration media to collect small dirt particles that could harm your engine.
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Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i
Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i ...
Active Autowerke - Corporate Logo
T#:340366
Part#: N55CP-KIT
Ships in 3 Business Days
Starting at $ 189.99 USD
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Starting at $ 189.99 USD
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One major weak point in the N55 turbo plumbing is the stock upper chargepipe from the intercooler outlet to the intake manifold. The original N55 charge pipe is made from a weak plastic and can fail with even stock boost levels. The most common problem is a crack that develops along a seam where the pipe connects to the throttle body. Any crack here is bad as it creates a massive vacuum leak and the engine electronics will put the car into limp mode. If you don't want to be sidelined there is a very simple fix - the Active Autowerke N55 charge pipe.

This aluminum pipe is much stronger and more durable and nearly indestructable for the N55 application. It uses a CNC-machined factory-style connection and o-ring to the throttle body to ensure a tight and leak-free seal. The piping is a consistent 3" diameter for better flow and an improved throttle response. AA has included a raised boss with two ports should you choose to add a water/meth injection system later. The factory MAP sensor installs in the same location and the pipe is powdercoated black for a factory-type appearance.

With a stronger pipe you don't have to worry about the infamous chargepipe crack and lost boost levels and horsepower. All of the boost in the world is useless if it's leaking so using beefed up components in place of the weak factory pieces is the smart way to consistently high power output.

This item fits the following BMWs with the N55 engine:
2011-2012 E82 BMW 135i
2011 E90 BMW 335i 335xi 335i xDrive - Sedan
2011-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2011-2013 E93 BMW 335i - Convertible
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E82 135i, E89 Z4 28i/35i, E9X 335i/xi Manual OEM Behr Radiator
E82 135i, E89 Z4 28i/35i, E9X 335i/xi Manual OEM Behr Radiator ...
Mahle-Behr - Corporate Logo
T#:341223
Part#: 17117558480
Ships in 1-2 days
$ 338.47 USD
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$ 338.47 USD
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This radiator is the OEM direct replacement for the stock radiator in the 135i, 335i, 335xi, and Z4 35i. Keeping your N54 or N55 at peak performance means including your cooling system in your regular maintenance schedules with the radiator, water pump, and thermostat being the primary components needing replacement. Not only can a failed radiator leave you stranded, but the sophisticated engine electronics will limit engine operability if temperatures reach a certain level. So having an efficient and fully functional cooling system is critical not only for safety but for performance as well. Don't wait until it's too late!

Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This item fits the following BMWs with manual transmissions only:
2008-2012  E82 BMW  135i 1M Coupe
2006-2011  E90 BMW  335i 335xi 335i xDrive - Sedan
2007-2013  E92 BMW  335i 335is 335xi 335i xDrive - Coupe
2007-2013  E93 BMW  335i - Convertible
2009+  Z4 BMW  Z4 sDrive28i Z4 sDrive35i
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Mahle-Behr Air Conditioning Condenser - E82, E84, E88, E90, E91, E92, E93
Mahle-Behr Air Conditioning Condenser - E82, E84, E88, E90, E91, E92,...
Mahle-Behr - Corporate Logo
T#:377557
Part#: 64539229022
Ships in 1-2 days
$ 196.99 USD
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$ 196.99 USD
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Replacement condenser to keep your A/C working
E82 135i, E89 Z4 28i/35i, E9X 335i/xi Automatic OEM BMW Radiator
E82 135i, E89 Z4 28i/35i, E9X 335i/xi Automatic OEM BMW Radiator ...
Mahle-Behr - Corporate Logo
T#:341263
Part#: 17117547059
In Stock
$ 377.99 USD
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$ 377.99 USD
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Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.
Mahle-Behr A/C Evaporator - E82, E88, E90, E91, E92, E93
Mahle-Behr A/C Evaporator - E82, E88, E90, E91, E92, E93
For vehicles with Valeo AC compressor
Mahle-Behr - Corporate Logo
T#:150602
Part#: 64119290888
Ships on Sep 16, 2026
$ 231.99 USD
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$ 231.99 USD
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oem Behr BMW EVAPORATOR

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