Emissions System for BMW 8 Series E31 (1991-1997)

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Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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Victor Reinz Oil Separator O-Ring - E31, E32, E34, E38, E39
Victor Reinz Oil Separator O-Ring - E31, E32, E34, E38, E39 ...
Victor Reinz - Corporate Logo
T#:19104
Part#: 11151747978
Ships in 1 Business Day
$ 5.69

This product was last offered at the strikethrough price on
06-05-2026

$ 5.68 USD
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$ 5.68 USD
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O-RING 11151747978 Manufactured by Reinz

Kayser Oil Separator O-Ring - E31, E32, E34, E38, E39
Kayser Oil Separator O-Ring - E31, E32, E34, E38, E39
Kayser - Corporate Logo
T#:1195920
Part#: 11151747978
Ships in 1-2 days
$ 5.99

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

$ 4.99 USD
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$ 4.99 USD
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Seals the vent pipe to the oil separator
Intake Manifold Cover (PCV)
Intake Manifold Cover (PCV)
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Meyle - Corporate Logo
T#:594546
Part#: 11617501562
Special Order: No Guaranteed ETA
$ 55.99 USD
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$ 55.99 USD
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An integral part of the emissions system, the PVC valve lets the crank case breathe. This allows proper intake and exhaust flow, resulting in proper running and operation. Often split from underhood heat and age, this vents excess oil into the engine compartment. Replace it now.
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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm)
02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...
Bremmen Parts - Corporate Logo
T#:47439371
Part#: 02SB1815
Ships on Feb 22, 2027
Sale - Save 39% $ 3.99

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

$ 2.44 USD
Free Shipping on orders $49 and up
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Sale - Save 39%
$ 3.99

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

$ 2.44 USD
Free Shipping on orders $49 and up
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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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Meyle Oxygen Sensor - Pre-Cat - E36 Z3 M44, E31, E38, E39 M62 (97-98)
Meyle Oxygen Sensor - Pre-Cat - E36 Z3 M44, E31, E38, E39 M62 (97-98)...
2 Required per model, located before the catalyst
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Meyle - Corporate Logo
T#:5944214
Part#: 11781247406
Special Order: No Guaranteed ETA
$ 57.99 USD
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$ 57.99 USD
Free Shipping on orders $49 and up
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This direct-fit Meyle oxygen sensor plugs directly into your factory connector. Fits M44 engine Z3 and 3 series and M62 engine E39, E38, E31 with V8 engines. No cutting or splicing is required. A new oxygen sensor can improve driveability and lengthen engine life. This is the pre-catalytic converter oxygen sensor
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