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Genuine BMW
BMW Part Number64 50 9 123 157

Self-locking hex nut

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

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Fits E36 316g–M3 & more · E46 316i–M3 & more 1990–2005

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CompactM43ManualCH11
SedanM52AutomaticCB85
Self-locking hex nut – BMW diagram

Callout 10 on BMW’s drawing “EMISSION CONTROL-AIR PUMP”. Open the drawing →

Also shown on SUCTION SILENCER/FILTER CARTRIDGE, SUCTION SILENCER/FILTER CARTRIDGE, Activated Charcoal Filter/FUEL VENTILAT and 27 more.

Sold in these kits

Genuine BMW part 64 50 9 123 157: Self-locking hex nut. You will find it under AC & Climate Control (Compressor, magnetic clutch). It supersedes the older numbers 12 13 1 718 569, 07 14 6 961 200 and 51 16 8 248 320, so a part carrying any of them is the same part.

Fits E36 318i, 318ti, 320i, 323i and 325i (1992–1999) with the M40, M42, M43, M44, M50 or M52 engines.

BMW draws it on 244 drawings, among them Emission Control-Air Pump and Suction Silencer/Filter Cartridge. It also comes in BMW kits Set of sealing and fastening parts (17 22 0 152 418) and Set, mounting parts, bumper, rear (51 12 2 293 990) and 5 more.

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

Details

EnginesM40, M42, M43, M44, M50, M52

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.

  • 64 50 9 123 157currentOut of stock
  • 88 10 0 141 049replaced by 64 50 9 123 157
  • 51 11 0 142 915replaced by 64 50 9 123 157
  • 88 10 0 154 438replaced by 64 50 9 123 157
  • 51 16 0 154 459replaced by 64 50 9 123 157
  • 51 16 0 411 412replaced by 64 50 9 123 157
  • 12 13 1 718 569replaced by 64 50 9 123 157
  • 51 11 1 835 624replaced by 64 50 9 123 157
  • 07 14 6 961 200replaced by 64 50 9 123 157
  • 51 16 8 248 320replaced by 64 50 9 123 157
  • 51 11 8 362 524replaced by 64 50 9 123 157

The other parts on BMW’s drawing “EMISSION CONTROL-AIR PUMP”. Open the drawing →

#PartIn stockAction
01Air pumpOut of stockRequest
02Rubber mountingOut of stockRequest
03Secondary air pump bracketOut of stockRequest
04Hex nut with plate3 numbers at this calloutOut of stockRequest
05Secondary air filterOut of stockRequest
06Suction hoseOut of stockRequest
07Pressure hose assyOut of stockRequest
08Hose clampOut of stockRequest
09ClampOut of stockRequest
10Self-locking hex nut · this partOut of stock
11Expanding rivetOut of stockRequest
CompactM43ManualCH11
SedanM52AutomaticCB85

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InAC & Climate ControlCompressor, magnetic clutch