Bilstein
B3 OE Replacement

Bilstein 36-225866 Coil Spring - Rear

Brand Bilstein 36-225866
Position Rear
Finish Black powder coat
Series B3 oe replacement
Title Bilstein shock absorbers
Product line B3 OE Replacement
Fits BMW · 14 vehicles

OE replacement. Restores factory suspension function and safety.

Factory-spec dimensions. Matches original spring rates and design types.

Black powder coat. Helps protect the spring finish.

Cross-references CSF 6052, Dayco 70892 and Lesjofors 4208407 for the same application. See all 12.

$39.15Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $39.15
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bilstein B3 OE Replacement Rear Coil Spring

The Bilstein B3 OE Replacement coil spring restores factory-style suspension height and spring rate for the rear of select BMW sedans. Built to OE dimensions and design standards, this spring is a direct replacement for worn or sagging original equipment.

Compatible with rear suspension applications on the BMW 525i, 530i, and 535i listed below, this Bilstein coil spring helps return the vehicle to original ride characteristics and factory-spec suspension function.

Key Features

  • Bilstein B3 OE Replacement series
  • Rear coil spring for standard suspension only
  • Manufactured to OE dimensions, spring rates, and design type
  • Black powder coat finish
  • Restores factory suspension geometry and ride height
  • Part number 36-225866

Detailed Description

Bilstein B3 OE Replacement springs are engineered as direct replacements for original factory springs, matching the OE dimensions and spring rate required for proper suspension performance. This rear coil spring is built for standard suspension applications on BMW 525i, BMW 530i, and BMW 535i models, helping maintain the original ride quality and load support expected from the factory setup. The black powder coat finish adds corrosion resistance for long-term service.

This part cross-references Lesjofors 4208407 for the same application. Part number 36-225866 is the correct reference when searching for a rear OE-style spring for these BMW applications.

What It Helps Address

  • Sagging rear ride height
  • Broken or fatigued original coil springs
  • Uneven rear suspension stance
  • Loss of factory spring rate and support
  • Restoration of OE suspension behavior on BMW 525i, BMW 530i, and BMW 535i

Installation Notes and Tips

  • Fits 1989-1995 BMW 525i, rear, standard suspension only
  • Fits 1994-1995 BMW 530i, rear, standard suspension only
  • Fits 1989-1993 BMW 535i, rear, standard suspension only
  • Verify standard suspension configuration before ordering
  • Inspect related rear suspension components during spring replacement
  • Professional spring compression tools and proper service procedures are recommended

Quality Assurance

Bilstein B3 OE Replacement springs are manufactured to meet OE dimensions, spring rates, and design requirements for factory-spec restoration. Part number 36-225866 is built for consistent fitment and suspension function on the listed BMW rear applications.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
1995BMW525iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1995BMW530iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1994BMW525iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1994BMW530iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1993BMW525iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1993BMW535iBase—RearStandard Suspension Only; B3 OE Replacement
1992BMW525iBaseSedanRearStandard Suspension Only; B3 OE Replacement
1992BMW535iBase—RearStandard Suspension Only; B3 OE Replacement
1991BMW525iBase—RearStandard Suspension Only; B3 OE Replacement
1991BMW535iBase—RearStandard Suspension Only; B3 OE Replacement
1990BMW525iBase—RearStandard Suspension Only; B3 OE Replacement
1990BMW535iBase—RearStandard Suspension Only; B3 OE Replacement
1989BMW525iBase—RearStandard Suspension Only; B3 OE Replacement
1989BMW535iBase—RearStandard Suspension Only; B3 OE Replacement
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CSF — 6052Dayco — 70892Lesjofors — 4208407Wix — 5106033 53 1 132 24836-12933181-815-0314 033 0003996 360895036JCS568SP0442