E46Seller listing
Listed price$69.99
View listing at BimmerWorld; opens in a new tabBMW E36/E46 · Buyer's guide
E46 M52TU/M54 Oxygen Sensors: Pre-Cat, Post-Cat & 02/2003 Split
E46 non-M M52TU/M54 six-cylinder; M56 SULEV and S54/M3 excluded; production-date and sensor-position splits required
Current seller options
WHERE TO BUY
Open an exact listing, then confirm fitment, stock, price, and shipping with the seller before ordering.
Seller links checked . Prices and availability can change.
E46Seller listing
Listed price$69.99
View listing at BimmerWorld; opens in a new tabE46Seller listing
Listed priceSee seller for current price
View listing at FCP Euro; opens in a new tabE46Seller listing
Listed priceSee seller for current price
View listing at Bmwpartsdeal; opens in a new tabE46Seller listing
Listed priceSee seller for current price
View listing at Race German; opens in a new tabWhat you need to know
Confirm production date, pre- versus post-catalyst position, bank, connector and cable length. M56 SULEV and S54/M3 are excluded.
OEM numbers
Checked early pre-catalyst sensor 11781742050 is listed by BimmerWorld for E46 325/330 through 02/2003, bank 1 or 2. Later checked direct-fit path 11787523435 is separate. Post-cat positions and cable lengths must be selected by VIN/catalog, not inferred.Supersession
Production-date and position guide; 11781742050 and 11787523435 are treated as separate application branches, not an asserted universal supersession.
Fitment
Confirm production date, pre- versus post-catalyst position, bank, connector and cable length. M56 SULEV and S54/M3 are excluded.
Aftermarket options
Bosch direct-fit and genuine BMW sensors are checked. Universal splice-in sensors are not promoted.
Before you buy
Do not replace an oxygen sensor from a DTC alone. Diagnose intake/exhaust leaks, fuel control, wiring and heater circuits. Production date and sensor position control the connector and lead length.
Research and fitment sources
Supersede reviewed 8 unique research sources for this guide. 5 also appear above as a seller or official action and are not repeated here; 3 additional citations follow.
Research last verified .