Sensors for BMW 3 Series E46 (1999-2005)

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When it comes to BMW and Mini, there is no shortage of sensors on your vehicle! Below you can find many of the crucial sensors that lead to error messages and check engine lights being displayed when a fault has occurred. Get your BMW/MINI back on the road with these Genuine BMW or high-quality OEM parts.

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Genuine BMW - Corporate Logo
T#:367843
Part#: 13621433076
In Stock
16% off MSRP $ 66.05

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

$ 55.45 USD
Free Shipping on orders $49 and up
16% off MSRP
$ 66.05

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

$ 55.45 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:375994
Part#: 65816936953
Ships in 1 day
6% 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.

$ 67.99 USD
Free Shipping on orders $49 and up
6% 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.

$ 67.99 USD
Free Shipping on orders $49 and up
Common fix for incorrect OBC temperature readings
Febi Camshaft Position Sensor - Intake - E39 E46 E53 E60 E83 Z3 Z4 ...
Includes o-ring.
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:591868
Part#: 12147539165
In Stock
$ 31.99 USD
Free Shipping on orders $49 and up
$ 31.99 USD
Free Shipping on orders $49 and up

Innovate Motorsports - Corporate Logo
T#:28836410
Part#: 38770
In Stock at Vendor
$ 247.99 USD
Free Shipping on orders $49 and up

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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Precision Raceworks - Corporate Logo
T#:35559424
Part#: 201-0411
In Stock
$ 34.99 USD
Free Shipping on orders $49 and up
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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Hitachi - Corporate Logo
T#:48850072
Part#: 12147539165
In Stock
$ 41.99 USD
Free Shipping on orders $49 and up
$ 41.99 USD
Free Shipping on orders $49 and up
A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivabilty issues. Uses O-ring # 12 141 748 398 (not included)
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Febi Camshaft Position Sensor
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Febi - Corporate Logo
T#:368897
Part#: 12147518628
Ships in 1 Business Day
$ 48.99

This product was last offered at the strikethrough price on
09-01-2026

$ 40.99 USD
Free Shipping on orders $49 and up
$ 40.99 USD
Free Shipping on orders $49 and up
A faulty cam sensor can lead to issues like difficulty starting and stalling at low speeds. Replacing the cam sensor often resolves many drivability problems. Requires O-ring #12141748398 (not included).
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Genuine BMW - Corporate Logo
T#:7169
Part#: 12611744292
In Stock
$ 7.99 USD
Free Shipping on orders $49 and up
If you are replacing your oil level sensor for any reason, it is highly recommended that you replace this seal as well to prevent any future leaks. 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.
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Febi Outdoor Temperature Sensor / Probe
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Febi - Corporate Logo
T#:382731
Part#: 65816936953
Ships in 1 Business Day
$ 20.79

This product was last offered at the strikethrough price on
10-21-2026

$ 20.00 USD
Free Shipping on orders $49 and up
$ 20.00 USD
Free Shipping on orders $49 and up
Common fix for incorrect OBC temperature readings

Hitachi - Corporate Logo
T#:48850055
Part#: 12147518628
Ships in 2 Business Days
$ 71.99 USD
Free Shipping on orders $49 and up
The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance. Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.
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Genuine BMW - Corporate Logo
T#:38297
Part#: 12141402705
Ships in 1 day
$ 15.99 USD
Free Shipping on orders $49 and up


Genuine BMW O-Ring - 18X1,2
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Febi - Corporate Logo
T#:56507847
Part#: 12141709616
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
Free Shipping on orders $49 and up
Keep your BMW’s engine management system operating at peak performance with this replacement crankshaft position sensor from Febi Bilstein.


Hitachi - Corporate Logo
T#:48815470
Part#: 12141709616
Back Ordered
$ 32.99 USD
Free Shipping on orders $49 and up
NOTE: Does not include o-ring seal - see BMW # 12141748398 This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.
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