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Four-part replacement centre-cap system for 15-inch BBS RZ Style 5 wheels used on E30. The creator prototyped and fitted it, documents assembly and temperature-resistant materials, and advises checking the printed nut position regularly. The separate 68 mm badge number is intentionally omitted.

Fits 3 Series · E30

Replacement bushing for the E30 wiper-arm pivot on the passenger side of LHD cars or driver side of RHD cars. It is dimensioned for the standard M22×5.5 nut and physically fitted; BMWFans identifies 61611370387 as the corresponding covering cap.

Fits 3 Series · E30

Two-piece replacement cover and holder for securing the spare wheel in the E30 luggage compartment, shown physically installed. Confirm thread engagement and wheel retention before driving.

Fits 3 Series · E30

Replacement electrical connector housing for the classic Alpina vent gauge, designed around BMW 2.8 mm crimp terminals and compared with the original connector. Match terminal locking and pin order to the vehicle wiring before energizing.

Fits 3 Series · E30

Printed cap wrench for the 76 mm, 14-flute oil-filter housing associated with BMW 11421715960. The creator physically demonstrates the tool and lists E30, E36, E46, E34 and Z3 applications; confirm cap size before applying torque.

Fits 3 Series · E30 · 3 Series · E36 · 3 Series · E46 +2

Replacement clip for retaining the E30 sunroof cables. The creator reports two years of use without an issue and recommends PETG. Verify cable capture and unrestricted sunroof travel after installation.

Fits 3 Series · E30

Dust cap for replacement-style E30 front strut mounts with an approximately 31.3–32 mm opening, where the original cap no longer fits. Test-print the retaining ring and adjust scale for the measured mount before making the full cap.

Fits 3 Series · E30

Press-on replacement cover for the original BMW E21 fuse box. The creator physically installed the ASA print and notes that the 220 mm model can be split and solvent-welded for smaller printers. Verify clearance, electrical isolation, heat resistance and secure retention.

Fits 3 Series · E21

Dimensioned replacement switch knob for the Hella-style interior dome light used in BMW E12, E21 and E30. Physical prints are shown on the lamp. The creator-listed numbers identify complete lamp variants rather than this knob, so no parent-assembly number is submitted.

Fits 3 Series · E21 · 3 Series · E30 · 5 Series · E12

Replacement moonroof slider developed and physically tested for a 1981 BMW E21 320is; the creator expects fit on E21 320 models equipped with a moonroof. Uses two M5 nuts instead of heat-set inserts. Confirm roof cassette, slider travel, nut capture and full open/close operation.

Fits 3 Series · E21

Replacement door-lock knob for BMW E21, E28 and E30, physically shown beside the original hardware and designed to work with the original or matching printable sleeve. The creator's mixed knob/sleeve catalog references are intentionally omitted. Verify pin diameter and retention.

Fits 3 Series · E21 · 3 Series · E30 · 5 Series · E28

Replacement door-lock knob sleeve for BMW E21, E28 and E30, enlarged slightly for improved fit and physically demonstrated with the matching knob. The creator's two catalog references cover both sleeve and knob; neither is submitted here because public catalogs did not unambiguously map one number to this modified sleeve.

Fits 3 Series · E21 · 3 Series · E30 · 5 Series · E28

Replacement trim ring or rosette for the manual sunroof handle on BMW E21, E28 and E30. The creator reports original-location fit and identifies BMW trim ring 54121867887, independently listed for E21 by RealOEM/BMWFans. Verify sunroof-handle version before fitting.

Fits 3 Series · E21 · 3 Series · E30 · 5 Series · E28

Dimensioned replacement wiring clip for BMW E21, E28 and E30, physically shown in use. BMWFans identifies the two creator-listed catalog applications as cable clamp 63121364431 and clamp 61131362825. Use heat-resistant material and verify loom diameter and mounting-hole retention.

Fits 3 Series · E21 · 3 Series · E30 · 5 Series · E28

Center cap designed and physically fitted to the 6×13-inch BBS-Mahle KBA40179 BMW Motorsport wheel used on E21. Refurbished wheels may vary, so test one cap and verify secure retention before road use. The badge number mentioned by the creator is not assigned because it identifies the separate adhesive emblem.

Fits 3 Series · E21

Replacement cable holder corresponding to BMW 61131267476. The creator notes that ABS prints are less flexible than the original and accept a smaller loom or hose. RealOEM and BMWFans list the holder for E21 among many classic BMW applications; only E21 is linked here because the source does not enumerate chassis.

Fits 3 Series · E21

Two replacement seat-rail grommets tested on a European July 1982 BMW E21 323i. The filenames reproduce the two catalog shapes for BMW 52101807432 and 52208238999. Confirm seat-rail version, market and grommet position before installation.

Fits 3 Series · E21

Replacement upper outer plastic cover for BMW E21 Recaro seats. Mirror the geometry for the opposite side. BMWFans identifies 52101877057 as left and 52101877058 as right across E21 variants; verify seat type, side and mounting points before fitting.

Fits 3 Series · E21

Adapter for fitting most 6.5-inch speakers at the factory 4×6 rear-shelf positions of a 1981 BMW E21 320i without cutting new holes. The creator reports successful physical fit and sound. Check magnet depth, shelf clearance, fastener security and wiring before installation.

Fits 3 Series · E21

Replacement expanding nut for securing front trim, grille and valance pieces on the BMW E21. The creator physically fitted the part and recommends flexible, heat-resistant PETG at full infill. Confirm hole diameter, screw engagement and trim retention.

Fits 3 Series · E21

Working replacement retaining clip for the manual window crank of a 1982 BMW E21 320i. The creator reports the reinforced full-base iteration stays installed; other E21 crank variants were not claimed. Print solid and verify positive crank retention before use.

Fits 3 Series · E21

Replacement stand-off spacer for fitting AUTOID rear carbon-fibre wheel-arch extensions to the BMW G42 M240i. The source is specific to that aftermarket arch kit and does not establish G87 fitment. Print in ASA, ABS, nylon, or another exterior-grade heat- and weather-resistant material, and verify the 12.4 mm diameter, 26.05 mm height, fastener engagement, arch alignment, and wheel/tyre clearance before road use.

Fits 2 Series · G42 / G87

Round organizer insert designed specifically for the factory cup holder in BMW F44 2 Series Gran Coupe models. It provides five coin slots, a BIC-lighter pocket, and an open storage compartment. The creator recommends PETG for cabin heat resistance; verify the approximately 80.4 mm outside diameter against the vehicle before printing.

Fits 2 Series · F44 Gran Coupe

Short adapter ring that centers narrow energy-drink cans in the factory cup holder of BMW F45 Active Tourer and F46 Gran Tourer models. The creator physically tested the reduced-height ring and photographed it installed.

Fits 2 Series · F45 / F46 Active / Gran Tourer