Part number 33521129565 is a Genuine BMW Support Plate (frequently referred to in parts catalogs as a plate, support, or 7-pocket washer). It is a component of the rear suspension assembly, typically used as a support plate within the rear spring strut/shock absorber stack to distribute loads correctly. I have 1 pair in stock - must buy the pair (27c).
- BMW 5-Series (E34 generation, 1989–1996): Fits models including the 525i, 530i, 535i, and 540i (both sedan and Touring/wagon body styles).
- BMW 7-Series (E32 generation, 1988–1994): Fits premium luxury models like the 735i and 740i.
According to official BMW parts catalogs, this 60mm support plate went into active production on June 1, 1986 (06/01/1986). It features the following chassis lifecycles and application windows:
BMW 5-Series (E34)
- Production Era: March 1987 to June 1996 (03/1987 – 06/1996).
- Fitment Range: It applies universally across all model years of the E34 generation (1989–1995 for US sedans, up to 1996 for international/Touring body variants).
- Cutoff Conditions: No production cutoff. Unlike the front suspension components which went through significant mid-lifecycle redesigns on the E34, this rear strut plate was used continuously from the launch of the chassis through the end of the E34 production run, serving both standard and M-Technic sports suspension variants.
BMW 7-Series (E32)
- Production Era: September 1986 to April 1994 (09/1986 – 04/1994).
- Fitment Range: Fits standard rear spring strut assemblies across early and late-model luxury variants (735i, 735iL, 740i, 740iL, and 750iL).
- Cutoff Conditions: Excludes active electronic suspension. This plate is strictly limited to vehicles using standard passive shock absorber configurations. It is not used on vehicles equipped with factory self-leveling suspension (LAD) or early Electronic Damper Control (EDC) systems, which utilized a completely distinct hydraulic rear top mount layout.
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