Skip to content
FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number12 31 1 734 558

Generator (exchange unit)

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, 318i 1990–94 — M40, M42 engines

Select your vehicle to check fitment
See all 22 fitting cars
Generator (exchange unit) – BMW diagram

Callout -- on BMW’s drawing “Alternator, individual parts 105A”. Open the drawing →

Also shown on Alternator, individual parts 105A, Alternator.

This is a genuine BMW generator (exchange unit), part number 12 31 1 734 558. You will find it under Electrical (Alternator with motor and mounting).

Fits E36 318i (1992–1999), sedan and coupe, with the M40 or M42 engines.

BMW draws it on 5 drawings, among them Alternator and Alternator, individual parts 105A. It weighs about 7.0 kg (16 lb).

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

Details

EnginesM40, M42
Weight7.04 kg

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.

The other parts on BMW’s drawing “Alternator, individual parts 105A”. Open the drawing →

#PartIn stockAction
--Generator (exchange unit) · this part2 numbers at this calloutOut of stock
01Hex nutOut of stockRequest
02PulleyOut of stockRequest
03Fan wheelOut of stockRequest
04Fillister head screwOut of stockRequest
05Housing assy frontOut of stockRequest
06Grooved ball bearingOut of stockRequest
07Stator assyOut of stockRequest
08Woodruff keyOut of stockRequest
09RotorOut of stockRequest
10Grooved ball bearingOut of stockRequest
11Gasket ringOut of stockRequest
12Housing assy rearOut of stockRequest
13RectifierOut of stockRequest
14Voltage regulatorOut of stockRequest
15Ventilation capOut of stockRequest
16Insulating coverOut of stockRequest
17Suppression capacitor alternatorOut of stockRequest
18Hex Bolt with washerOut of stockRequest

Reviews

No reviews yet.

InElectricalAlternator with motor and mounting