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Genuine BMW
BMW Part Number12 14 1 748 398

O-ring

17×3 · one of 2 sizes

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–M3 & more · E46 316i–M3 & more 1990–2004

Select your vehicle to check fitment
See all 200 fitting cars
SedanM52AutomaticCB85

Other sizes · 2 in all

O-ring – BMW diagram

Callout 04 on BMW’s drawing “Sensors”. Open the drawing →

Also shown on Cylinder head attached parts, Cylinder head Vanos, Engine block mounting parts and 18 more.

Sold in these kits

O-ring — a genuine BMW part, number 12 14 1 748 398. You will find it under Electrical (Other Engine Electrical System parts). It supersedes the older number 12 14 0 148 893, so a part carrying that number is the same part.

Fits E36 318i, 318ti, 320i, 323i, 325i, 328i and M3 (1992–1999) with the M44, M50, M52, S50 or S52 engines. Also fits E46 316i, 316i 1.6, 316i 1.9, 316ti and 318i (1997–2004) with the M43, N40, N42, N45 or N46 engines.

BMW draws it on 73 drawings, among them Cylinder head attached parts and Cylinder head Vanos. It also comes in BMW kits Gasket set cylinder head asbestos free (11 12 0 004 553) and Set Mounting Parts Short Engine (11 00 0 007 008) and 58 more.

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

Details

EnginesM43, M44, M50, M52, N40, N42, N45, N46, S50, S52

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.

  • 12 14 1 748 398currentOut of stock
  • 12 14 0 148 893replaced by 12 14 1 748 398

The other parts on BMW’s drawing “Sensors”. Open the drawing →

#PartIn stockAction
--Jack SLK 2.8 ELA with cable2 numbers at this calloutOut of stockRequest
01Camshaft sensor2 numbers at this calloutOut of stockRequest
02Camshaft sensorOut of stockRequest
03Pulse generator, crankshaftOut of stockRequest
04O-ring · this partOut of stock
05O-ring · this partOut of stock
06Fillister head screwOut of stockRequest
07Ping Sensor2 numbers at this calloutOut of stockRequest
08Hex BoltOut of stockRequest
09Oil levelling sensor6 numbers at this calloutOut of stockRequest
10Gasket ringOut of stockRequest
11Hex nut2 numbers at this calloutOut of stockRequest
12Oil pressure switch5 numbers at this calloutOut of stockRequest
13Temperature switchOut of stockRequest
14Socket housingOut of stockRequest
15Socket housingOut of stockRequest
16Socket housingOut of stockRequest
17Socket housingOut of stockRequest
18Socket housingOut of stockRequest
19Socket housingOut of stockRequest
20Socket housingOut of stockRequest
SedanM52AutomaticCB85

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InElectricalOther Engine Electrical System parts