BMW Electrical Sensors, Switches, & Relays for BMW E90 M3 S65 4.0L

Turner E9x Cowl Delete Kit

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T#:1809115

Part#: 007629LA09KT

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Sale - Save 27% $ 411.78

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05-03-2026

$ 299.99 USD

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Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. Compliment your engine bay and hide away the exposed ECU.

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Turner ECU/ Brake Master Cover Set - E9x

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T#:1809112

Part#: 007629LA03

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$ 134.39 USD

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Our ECU Cover incorporates beauty with OE function. Designed in-house by our industry leading engineering staff, the E9x Turner ECU Cover incorporates beauty with OE function. Made from a heat resistant, textured matte black polymer material, this cover is sure to be turning heads! This cover gives your engine bay the look it should have came with from the factory and hides away the exposed ECU while helping protect it from the elements. We provide a simple cover that installs directly on top of the ECU bracket for an OEM plus look! Installation is a breeze, simply remove screws from the ECU bracket on either side, line up the ECU cover, and hand tighten the screws back on. Add a flash of style and elegance under your hood with our ECU Cover!

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Turner Cowl Delete Harness Mounting Bracket - E9x

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T#:1809114

Part#: 007629LA02

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$ 91.72 USD

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Turner E9x Cowl Delete Harness Mounting Bracket mounts to factory bolt holes; it is an easy no-drill install that creates a solid location to tie back your engine harness. However, removing the cowl introduces the possibility of dirt and debris entering your cabin. To solve this issue we suggest pairing it with Burger's Cabin/Cowl Delete Filters. These are small, dry, and maintenance-free filters that both add a finished look to your engine bay and prevent debris from entering the cabin.

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Turner ECU/ Brake Master Cover Set - E9x

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T#:3136218

Part#: 007629LA10KT

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$ 129.99 USD

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Our ECU Cover incorporates beauty with OE function. Designed in-house by our industry leading engineering staff, the E9x Turner ECU Cover incorporates beauty with OE function. Made from a heat resistant, textured matte black polymer material, this cover is sure to be turning heads! This cover gives your engine bay the look it should have came with from the factory and hides away the exposed ECU while helping protect it from the elements. We provide a simple cover that installs directly on top of the ECU bracket for an OEM plus look! Installation is a breeze, simply remove screws from the ECU bracket on either side, line up the ECU cover, and hand tighten the screws back on. Add a flash of style and elegance under your hood with our ECU Cover!

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Genuine BMW 5 Prong Salmon Relay - Multiple BMWs

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T#:5390

Part#: 12631742690

Ships in 3 Business Days

8% off MSRP $ 24.99

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$ 22.99 USD

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$ 24.99

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This relay is used for the SMG system on the E46 M3 and various applications including secondary air systems on other BMW's. If you find that your SMG-equipped E46 M3 is not starting, this is one of the first places to check as it controls power to the hydraulic unit (the car will not start without hydraulics). Buy one to fix the issue and buy a second so you're not stranded in the future!

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Genuine BMW White Green Relay - Multiple BMWs

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T#:11798

Part#: 61368373700

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4% off MSRP $ 24.65

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$ 23.59 USD

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$ 24.65

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This relay is often the fuel pump relay for many BMW models. To ensure the relay is correct for your car please check the pin locations.

Alternator - 180amp

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T#:26438185

Part#: 12317837981

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$ 259.24 USD

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Genuine BMW Power Distribution Box - E82/88 E9X

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T#:10501

Part#: 61146971370

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7% off MSRP $ 127.59

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$ 118.89 USD

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$ 127.59

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This is found on the top of the battery

Genuine BMW Oil Pressure Switch - M12x1.5

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T#:183226

Part#: 12618611273

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17% off MSRP $ 34.59

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$ 28.79 USD

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$ 34.59

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Genuine BMW Oil Pressure Switch - M12X1,5
This item fits the following BMW Chassis:
E39 M5,E46 M3,E82 1M Coupe,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E63,E65,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F25 X3,F30,F31,i3

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OEM Valeo Alternator - 180amp - E9X M3 S65

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T#:377508

Part#: 12317837981

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$ 630.99

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05-07-2026

$ 403.99 USD

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$ 403.99 USD

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This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

Braille Performance Endurance AGM Battery - B10049 - 58lbs

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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

T#:558078

Part#: B10049

Ships in 9 Business Days

$ 446.99 USD

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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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Genuine BMW Oil Level Sensor - Multiple BMWs

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T#:13104

Part#: 12617607910

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15% off MSRP $ 298.81

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$ 253.70 USD

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$ 298.81

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This is the oil level sensor / sender for BMW E9X E53 E65 E70 E71 E82 E83 When this part fails it will illuminate a check light on the dash which indicates it needs to be replaced. Includes o-ring.

Genuine BMW Relay - Black

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T#:14043

Part#: 61366901469

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3% off MSRP $ 24.65

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$ 23.81 USD

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Genuine BMW Relay, Make Contact, Black
This item fits the following BMW Chassis:
E60 M5,E63 M6,E70 X5M,E71 X6M,E82 1M Coupe,E53 48IS,E39,E46,E53 X5,E63,E70 X5,E71 X6,E82,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F25 X3,F26 X4,i3i12

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FAE Crankshaft Position Sensor

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T#:583140

Part#: 13627525015

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$ 45.99 USD

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Having a crank but no starting issue? This sensor is often the culprit

Ambient Temp. Sensor

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T#:31589381

Part#: 65816905133

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$ 20.99 USD

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Genuine BMW Adapter Wiring for Battery IBS System - Multiple BMWs ...

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T#:39998

Part#: 12517615476

Ships in 6 Business Days

5% off MSRP $ 73.99

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$ 69.99 USD

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Connects to the IBS system for information relay to the DME via the BSD Interface.

Genuine BMW Battery Hold Down - Multiple BMWs

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T#:186551

Part#: 61217631587

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$ 25.88 USD

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The hold down bracket secures the battery in the battery tray to keep it from sliding around.

Schwaben Automatic Battery Tender

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T#:378277

Part#: 005979SCH01A

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$ 70.69 USD

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This Schwaben Battery Charger is designed to work on 6 or 12 volt Lead-acid batteries only, includes WET, MF,AGM and GEL types. Do not use on dry cell batteries commonly used in appliances. Charger features, Charging voltage auto select. Selectable Charging current,8 LED indicators, No risk of overcharging, overheating protection, Short circuit protection.

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Ground Cable - E90, E92, E93

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T#:39500

Part#: 12427840591

Ships in 1-2 days

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$ 43.99 USD

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$ 45.99

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Genuine BMW Ground Cable -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW 5 Prong Green Relay - Multiple BMWs

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T#:16220

Part#: 61366980177

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$ 23.99 USD

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This 5 prong relay is green in color and is often related to the windshield wiper system. It may also have additional functions.

Ground Cable - E90, E92, E93

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T#:39499

Part#: 12427840580

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3% off MSRP $ 60.99

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$ 58.99 USD

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$ 60.99

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$ 58.99 USD

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Genuine BMW Ground Cable -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW Crankshaft Position Sensor - N52 N54 S85 S65 S63 ...

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T#:367850

Part#: 13627525015

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22% off MSRP $ 175.17

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$ 136.79 USD

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$ 175.17

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This crankshaft position sensor (CPS) provides the engine computer with engine speed data via the harmonic balancer. It mounts off the engine block and reads the front crank pulley to tell the engine what position the engine internals are in. This sensor is crucial for starting the car as the ECU will not allow the engine to start without this signal.

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Crankshaft Position Sensor

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:37858379

Part#: 13627839138

Ships in 2 Business Days

$ 22.43 USD

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The flywheel sensor monitors the rotational speed of the flywheel and transmits this data to the ECU/DME, which uses it to optimize engine performance. A faulty flywheel sensor can lead to rough running or prevent the engine from starting altogether.

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Braille Performance Intensity Carbon Lithium-ION Battery - i48CX - 10...

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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

T#:558047

Part#: I48CX

Ships in 5 Business Days

$ 1,164.99 USD

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$ 1,164.99 USD

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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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100 Piece Mini Car Fuse Assortment

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T#:383674

Part#: ATD382

Ships in 7 Business Days

$ 31.99 USD

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You never know when you will blow a fuse so it always good to have extra

Braille Lightweight Advanced AGM Battery - B3121 - 21lbs

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T#:558042

Part#: B3121

Ships in 6 Business Days

$ 270.99 USD

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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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URO Positive Cable Battery Connection Pole

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T#:42436713

Part#: 61129217031

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$ 130.99 USD

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If your BMW has been in an accident and the Battery Safety Terminal (BST) has been triggered, you'll need a new positive battery cable connection to restore power and get the vehicle running again.

Innovate LC-2 Wideband O2 Controller Kit

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T#:28836410

Part#: 38770

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$ 212.99 USD

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Features & Benefits:

Two configurable linear 0-5V analog outputs Ability to calibrate O2 sensors for maximum accuracy Includes LC-2 controller and Bosch wideband O2 sensor Comes with a program cable, manual, and a 10 ft. sensor cable Includes a 1-inch mild steel exhaust bung Innovate MTS serial in/out capability Integrated dual-color status LED (green/red) Patented DirectDigital™ wideband sensor control Positive lock connectors for all connections Real-time display data on screen or with the powerful LogWorks software Range:

AFR (Air-Fuel Ratio) range from 7.4:1 to 22.4:1 (0.5 to 1.5 lambda)

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Genuine BMW Adapter Lead Ibs - 61129123571 - E70,E71,E82,E90,E92,E93 ...

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T#:139076

Part#: 61129123571

Ships in 3 Business Days

12% off MSRP $ 32.48

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$ 28.65 USD

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$ 32.48

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Genuine BMW Adapter Lead Ibs
This item fits the following BMW Chassis:
E60 M5,E70 X5M,E70 X5,E71 X6,E82,E90,E92,E93

Intake Air Temperature Sensor - E9X M3

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T#:14984

Part#: 13627792203

Ships in 6 Business Days

10% off MSRP $ 122.99

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$ 110.99 USD

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$ 122.99

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This is the Genuine BMW intake air temperature sensor that is mounted in the intake manifold for E9x M3 with the S65 V8 engine.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
2006-2011 E90 BMW M3 - Sedan
2007-2013 E92 BMW M3 - Coupe
2007-2013 E93 BMW M3 - Convertible

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Battery Hold Down - E60, E61, E63, E64, E82, E90, E91, E92, Z3 ...

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T#:141373

Part#: 61217566618

Ships in 3 Business Days

4% off MSRP $ 47.99

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$ 45.99 USD

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$ 47.99

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Genuine BMW Battery Hold Down
This item fits the following BMW Chassis:
E60 M5,E63 M6,E82 1M Coupe,E63,E82,E90,E92

Genuine BMW Optical Fiber Cable

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T#:137569

Part#: 61120142318

In Stock

10% off MSRP $ 40.99

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

$ 37.99 USD

Limited Qty Sale

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$ 40.99

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

$ 37.99 USD

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Genuine BMW Optical Waveguide - L=7000Mm Fiber Optic Cable
This item fits the following BMW Chassis:
E60 M5,E63 M6,E70 X5M,E71 X6M,E85 Z4M,E63,E65,E70 X5,E71 X6,E85 Z4,E86 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F25 X3,F26 X4,F30,F31

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Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db

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T#:31158805

Part#: 85115

Ships on Jul 31, 2026

$ 77.99 USD

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Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db

The Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db is designed to make sure your presence is known with powerful, attention-grabbing sound. These high-performance sports horns feature:

Impressive Loudness: Delivers a powerful 112 decibels, ensuring you’re heard in any situation.
Dual Frequency: Includes 330Hz and 400Hz horns for a dynamic and distinct sound.
Lightweight & Durable: Constructed for easy installation with weather-resistant covers, built to withstand the elements.
Easy Installation: Quick and straightforward to install, enhancing vehicle safety with minimal effort.

The kit is a must-have for anyone looking to enhance their vehicle’s horn performance and visibility on the road.

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Genuine BMW Socket repair kit

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T#:207094

Part#: 61132359996

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$ 29.99 USD

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$ 29.99 USD

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Genuine BMW Rep. Kit For Socket Housing - 4 Pol.
This item fits the following BMW Chassis:
E46 M3,E46,E85 Z4,E90,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Genuine BMW Negative Battery Cable, IBS - E9X, E60 M5

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T#:138681

Part#: 61127616200

In Stock

4% off MSRP $ 318.99

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

$ 306.99 USD

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$ 318.99

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Replace your missing or corroded Negative Battery Cable.

URO Power Distribution Box With Fuse - BMW E8X 1', E9X 3'

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T#:49822552

Part#: 61146971370

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$ 91.99 USD

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Ensures the appropriate amount of power is sent to electrical vehicle components.

Braille Performance GreenLite Lithium-ION Battery - G30 - 5.5lbs ...

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T#:558046

Part#: G30

Ships in 8 Business Days

$ 522.99 USD

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$ 522.99 USD

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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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Genuine BMW Rep. Wire For B+ - 61129312133

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T#:179169

Part#: 61129312133

Ships in 1-2 days

$ 24.99 USD

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$ 24.99 USD

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Genuine BMW REP. WIRE FOR B+

Genuine BMW Outdoor Temperature Sensor/Probe - Multiple BMWs ...

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T#:375994

Part#: 65816936953

Ships in 1-2 days

7% off MSRP $ 71.99

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

$ 66.99 USD

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7% off MSRP

$ 71.99

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

$ 66.99 USD

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Common fix for incorrect OBC temperature readings

Genuine BMW Voltage Regulator - E9X M3 S65

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T#:39048

Part#: 12317847517

In Stock

7% off MSRP $ 218.99

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

$ 203.99 USD

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7% off MSRP

$ 218.99

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

$ 203.99 USD

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Ensures proper voltage is being sent from the alternator to the electrical system and battery.

Bass Tone Sports Horn Kit 400Hz + 500Hz, 115Db

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T#:31589317

Part#: 85110

Ships in 9 Business Days

$ 77.99 USD

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$ 77.99 USD

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OEM VDO Crankshaft & Transmission Position Sensor - Multiple BMWs...

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T#:14949

Part#: 13627525015

Ships on Jun 25, 2026

$ 70.99 USD

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$ 70.99 USD

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This crankshaft position sensor provides the ECU with the engine speed signal. It is mounted in either the engine block or the bell housing of the transmission on most cars.

OMP Battery Cut Off Switch / Kill Switch

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T#:1614

Part#: EA-462

Back Ordered

$ 65.00 USD

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$ 65.00 USD

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OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.

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Precision Raceworks Ethanol Sensor Breakout Harness

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T#:35559424

Part#: 201-0411

In Stock

$ 35.99

This product was last offered at the strikethrough price on
01-22-2026

$ 34.99 USD

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$ 34.99 USD

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n Ethanol Sensor Breakout Harness provides a clean wiring solution by splitting the signal from your ethanol content sensor between two analyzers, such as an ECU/controller and a gauge or Bluetooth display, without modifying your existing harness.his setup enables real-time ethanol level monitoring and facilitates comprehensive DME/ECU adjustments for enhanced automotive performance.citeturn0search0

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Genuine BMW Camshaft Position Sensor - E90 E92 E93 M3

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T#:14993

Part#: 13627837904

In Stock

10% off MSRP $ 216.99

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

$ 195.99 USD

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10% off MSRP

$ 216.99

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

$ 195.99 USD

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Genuine BMW Camshaft Position Sensor -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Hella Hella Horn - High Tone

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T#:592707

Part#: 2768551

In Stock

$ 30.99 USD

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$ 30.99 USD

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Disc Type High-Tone, 12 V, 400 Hz with Bracket

Hella Hella Horn - Low Tone

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T#:590880

Part#: 2768082

In Stock

$ 36.99 USD

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$ 36.99 USD

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Disc Type Low-Tone, 12 V, 335 Hz with Bracket

Hella Air Horn Kit

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T#:592708

Part#: 3001651

In Stock at Vendor

$ 143.99

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

$ 139.99 USD

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$ 139.99 USD

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Get noticed with this air horn kit from Hella!

Endurance Series AGM Battery - B48-H6-L3

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T#:36947237

Part#: B48-H6-L3

Ships in 4 Business Days

$ 398.99 USD

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$ 398.99 USD

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Facet Intake Air Temperature Sensor - BMW E9X M3 S65

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T#:43885733

Part#: 13627792203

In Stock at Vendor

$ 28.99

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

$ 27.99 USD

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$ 27.99 USD

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This sensor provides your BMW's control unit with intake temperature readings, enabling it to run optimally in any condition. If this sensor has failed, your BMW may be suffering from more performance loss than you realize. Replace your IAT sensor to ensure proper temperature readings and restore lost performance!

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BMW Electrical Sensors, Switches, & Relays for BMW E90 M3 S65 4.0L

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