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Genuine BMW
BMW Part Number33 41 1 138 648

Lock Ring

79×2.5 · 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

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Fits E36 316i–328i & more · E46 316i–328i & more 1990–2004

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SedanM52AutomaticCB85

Other sizes · 2 in all

Lock Ring – BMW diagram

Callout 02 on BMW’s drawing “SIDE SHAFT/WHEEL BEARINGS”. Open the drawing →

Also shown on SIDE SHAFT/WHEEL BEARINGS, SIDE SHAFT/WHEEL BEARINGS.

Sold in these kits

Lock Ring — a genuine BMW part, number 33 41 1 138 648. You will find it under Suspension (Other Rear Axle parts). It supersedes the older numbers 33 41 1 123 416 and 33 41 1 129 099, so a part carrying any of them is the same part.

Fits E36 318i, 320i, 323i, 325i and 328i (1992–1999) with the M40, M42, M43, M44, M50 or M52 engines.

BMW draws it on 21 drawings, among them Wheel bearings and Side Shaft/Wheel Bearings. BMW's catalog calls for two of these at each place it is fitted. It weighs about 20 g (under 0.1 lb). It also comes in BMW kits Service kit, wheel bearing, rear (33 41 2 220 987) and Repair kit, wheel bearing, rear (33 41 2 406 277).

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

Details

EnginesM40, M42, M43, M44, M50, M52
Weight0.02 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.

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

  • 33 41 1 138 648currentOut of stock
  • 33 41 1 123 416replaced by 33 41 1 138 648
  • 33 41 1 129 099replaced by 33 41 1 138 648

The other parts on BMW’s drawing “SIDE SHAFT/WHEEL BEARINGS”. Open the drawing →

#PartIn stockAction
01Drive flange hub3 numbers at this calloutOut of stockRequest
02Lock Ring · this part2 numbers at this calloutOut of stock
03Angular contact ball bearing,radial3 numbers at this calloutOut of stockRequest
04Collar nut2 numbers at this calloutOut of stockRequest
05Service kit, wheel bearing, rear2 numbers at this calloutOut of stockRequest
SedanM52AutomaticCB85

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InSuspensionOther Rear Axle parts