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11781433940 - Bosch Oxygen Sensor - mounts after catalytic converter - E46 E39 X3 X5 Z3 Z4

Bosch Oxygen Sensor - mounts after catalytic converter - E46 E39 X3 X5 Z3 Z4

T#: 2118 | Part#: 11781433940

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$122.99

Lifetime Replacement

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Available from Supplier

Est. Ship Date:

Ships Jul 6, 2026

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Product Details

This is the post-cat oxygen sensor for cylinders 4-6 for BMW E46 E39 X3 X5 Z3 Z4. Bosch # 15 109.

This item fits the following BMWs:
1999-3/2003 E46 BMW 323i 323ci 325xi 328i 328ci 330i 330ci 330xi
2001-3/2003 E46 BMW 325i 325ci only for cars with M54 engine
1999-2003 E39 BMW 528i 525i 530i
2004-2006 E83 BMW X3 2.5 - Bank 1 Only
2004-2006 E83 BMW X3 3.0i - Bank 1 - Automatic Transmission Only
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i

Prop 65 Warning

Cross Reference

15109BOSCH
11781433940
15 109
MHK000220
15109
0258005109

Product Q&A

Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

Fits These Cars

MAKE	MODEL	SUBMODEL	ENGINE	Special Fitment Notes
BMW	E39	525i	M54 2.5L	Use vehicle selector to confirm fitment
BMW	E39	528i	M52 2.8L	Use vehicle selector to confirm fitment
BMW	E39	530i	M54 3.0L	Use vehicle selector to confirm fitment
BMW	E46	323Ci	M52 2.5L	Use vehicle selector to confirm fitment
BMW	E46	323i	M52 2.5L	Use vehicle selector to confirm fitment
BMW	E46	325Ci	M54 2.5L	Use vehicle selector to confirm fitment
BMW	E46	325i	M54 2.5L	Use vehicle selector to confirm fitment
BMW	E46	325xi	M54 2.5L	Use vehicle selector to confirm fitment
BMW	E46	328Ci	M52 2.8L	Use vehicle selector to confirm fitment
BMW	E46	328i	M52 2.8L	Use vehicle selector to confirm fitment
BMW	E46	330Ci	M54 3.0L	Use vehicle selector to confirm fitment
BMW	E46	330i	M54 3.0L	Use vehicle selector to confirm fitment
BMW	E46	330xi	M54 3.0L	Use vehicle selector to confirm fitment
BMW	E53	X5	M54 3.0L	Use vehicle selector to confirm fitment
BMW	E83	X3	M54 2.5L	Use vehicle selector to confirm fitment
BMW	E83	X3	M54 3.0L	Use vehicle selector to confirm fitment
BMW	Z3	2.3	M52 2.5L	Use vehicle selector to confirm fitment
BMW	Z3	2.5i	M54 2.5L	Use vehicle selector to confirm fitment
BMW	Z3	2.8	M52 2.8L	Use vehicle selector to confirm fitment
BMW	Z3	3.0i	M54 3.0L	Use vehicle selector to confirm fitment
BMW	Z4	2.5i	M54 2.5L	Use vehicle selector to confirm fitment
BMW	Z4	3.0i	M54 3.0L	Use vehicle selector to confirm fitment

*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.