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Genuine BMW
BMW Part Number11 78 1 247 406

Regulating lambda probe

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E36 316i 1.9, 318i, 318ti · E46 316i, 316i 1.6, 316i 1.9, 318i 1996–2001 — M43, M44 engines

Select your vehicle to check fitment
See all 55 fitting cars
CoupeM43AllBL51
Regulating lambda probe – BMW diagram

Callout 07 on BMW’s drawing “CATALYST/LAMBDA PROBE”. Open the drawing →

Also shown on Catalytic converter/front silencer.

This is a genuine BMW regulating lambda probe, part number 11 78 1 247 406. You will find it under Engine (Exhaust gas control systems). It supersedes the older number 11 78 1 739 846, so a part carrying that number is the same part.

Fits E36 318i and 318ti (1992–1999), sedan, coupe, convertible and compact, with the M44 engine. Also fits E46 316i, 316i 1.6, 316i 1.9 and 318i (1997–2001), sedan, coupe and touring, with the M43 engine.

BMW draws it on 7 drawings, among them Catalytic converter/front silencer and Catalyst/Lambda Probe. It weighs about 106 g (0.2 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM43, M44
Weight0.11 kg
OE / Cross-Reference
0258003559

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

BMW has renumbered this part. All of these numbers are the same part.

  • 11 78 1 247 406currentOut of stock
  • 11 78 1 739 846replaced by 11 78 1 247 406

The other parts on BMW’s drawing “CATALYST/LAMBDA PROBE”. Open the drawing →

#PartIn stockAction
--Hex nutOut of stockRequest
01Exhaust pipe front silencer6 numbers at this calloutOut of stockRequest
02Gasket Asbestos Free2 numbers at this calloutOut of stockRequest
03Hex nutOut of stockRequest
04Hex Bolt5 numbers at this calloutOut of stockRequest
05Compression springOut of stockRequest
06Hex nutOut of stockRequest
07Regulating lambda probe · this partOut of stock
08Lambda Monitor sensorOut of stockRequest
09Guide tube upper partOut of stockRequest
10Guide tube lower partOut of stockRequest
11Vibration absorberOut of stockRequest
12Hex Bolt with washerOut of stockRequest
13Hex head screwOut of stockRequest
14Plug-in nutOut of stockRequest
15Lambda-probe bracketOut of stockRequest
16Lambda-probe bracketOut of stockRequest
17BracketOut of stockRequest
18Cable holderOut of stockRequest
19Cable holderOut of stockRequest
CoupeM43AllBL51

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InEngineExhaust gas control systems