BMW E30 Late Model SI Board
About the BMW E30 Late Model SI Board
BMW E30 Late Model SI Board is an open source PCB design by Ansel84, published on GitHub under the MIT license. It is a 2-layer board measuring 300 × 53 mm, with 117 components from 68 distinct parts.
Other key parts include the ITT SAF1190-196 MCU, ITT V3003-393, ITT V3004-520, ITT SAF1194-280 MCU and LP2950-5.0_TO92. By type, the board carries 45 resistors, 23 capacitors, 15 diodes, 12 jumpers, 10 transistors and 5 ICs.
From the project
This project is the documentation of reverse engineering the BMW E30 gauge cluster for post 1988 model years.
Main components on the BMW E30 Late Model SI Board
BMW E30 Late Model SI Board bill of materials (BOM)
117 components, 68 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ITT SAF1190-196 MCU | DIP-40_W15.24mm_LongPads | U1 |
| 1 | ITT V3003-393 | DIP-18_W7.62mm_LongPads | U2 |
| 1 | ITT V3004-520 | DIP-24_W15.24mm_LongPads | U3 |
| 1 | ITT SAF1194-280 MCU | DIP-40_W15.24mm_LongPads | U4 |
| 1 | LP2950-5.0_TO92 | TO-92_Inline_Wide | U5 |
| 1 | BC327-16 | TO-92_Inline_Wide | Q11 |
| 6 | BC337-25 | TO-92_Inline_Wide | Q12, Q17, Q19, Q21, Q22, Q23 |
| 1 | BC337-16 | TO-92_Inline_Wide | Q13 |
| 1 | BC547B | TO-92_Inline_Wide | Q14 |
| 1 | BC557B | TO-92_Inline_Wide | Q15 |
| 1 | Crystal | Crystal_HC18-U_Vertical | Y1 |
| 1 | Crystal | Crystal_C38-LF_D3.0mm_L8.0mm_Horizontal | Y2 |
| 1 | SI LED Board | SILight_1x12_P2.54mm_Vertical_PinHeader | J1 |
| 1 | Coding Plug | PinSocket_1x08_P2.54mm_Horizontal | J2 |
| 1 | Nexus Connector | E30_Early_SI_Conn_Late_P3.5 | J5 |
| 2 | 3V | Batt_CR14250SE | BT1, BT2 |
| 12 | Jumper | Jumper_THT_P9.7mm | JP1, JP2, JP3, JP4, JP5, JP6, JP7, JP8 +4 |
| 2 | 1N4004 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D1, D4 |
| 4 | BAV21 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D2, D3, D6, D9 |
| 2 | BZX55C-5V1 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D5, D10 |
Show 48 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BZX55C-4V7 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D7 |
| 1 | ZW 4.7 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D8 |
| 1 | BZX55C-9V1 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D16 |
| 1 | 1N4148 | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D18 |
| 2 | SD103A | D_Axial_Narrow_L6.7mm_D2.4mm_P9.7mm | D24, D25 |
| 1 | LED | LED_D3.0mm | D26 |
| 2 | 0.1U 0.1u | C_Disc_D6.0mm_W2.5mm_P5.00mm | C1, C3 |
| 3 | 100U 100u | CP_Axial_L18.0mm_D6.5mm_P25.00mm_Horizontal | C2, C4, C12 |
| 3 | 100u | CP_Elec_6.3x5.8 | C2.1, C4.1, C12.1 |
| 2 | 0.1U 0.1u | C_Rect_L7.0mm_W2.0mm_P5.00mm | C5, C18 |
| 1 | 0.033U 0.033u | C_Rect_L7.0mm_W2.0mm_P5.00mm | C6 |
| 1 | 10N 10n | C_Rect_L7.0mm_W2.0mm_P5.00mm | C7 |
| 1 | 47N 47n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C8 |
| 3 | 68N 68n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C9, C10, C17 |
| 1 | 10U 10u | CP_Radial_Tantal_D8.0mm_P2.50mm | C11 |
| 1 | 47U 47u | CP_Radial_Tantal_D9.0mm_P2.50mm | C13 |
| 1 | 10N 10n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C14 |
| 1 | 68U 68u | CP_Radial_Tantal_D5.5mm_P5.00mm | C15 |
| 3 | 0.1N 0.1n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C19, C20, C21 |
| 2 | 2R2 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R1, R3 |
| 1 | 15K 15k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R2 |
| 1 | 6K8 6k8 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R4 |
| 2 | 4K6 4k6 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R5, R9 |
| 1 | 68R | R_Axial_DIN0414_L11.9mm_D4.5mm_P20.32mm_Horizontal | R6 |
| 2 | 27K 27k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R7, R17 |
| 1 | 3K92 3k92 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R8 |
| 1 | 2K2 2k2 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R10 |
| 1 | 2K21 2k21 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R11 |
| 2 | 10K 10k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R12, R21 |
| 1 | 27K4 27k4 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R13 |
| 2 | 47K 47k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R14, R15 |
| 2 | 1K5 1k5 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R16, R18 |
| 1 | 470 470R | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R19 |
| 1 | 22K 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P22.2mm_Horizontal | R20 |
| 1 | 16K 16k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R22 |
| 1 | 39K 39k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R23 |
| 1 | 51K 51k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R24 |
| 2 | 100R | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R25, R46 |
| 1 | 1k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R26 |
| 1 | 47R | R_Axial_DIN0516_L15.5mm_D5.0mm_P20.32mm_Horizontal | R27 |
| 1 | 200R 200k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R28 |
| 1 | 100K 100k | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R29 |
| 1 | 75R | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R30 |
| 7 | 160R | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R32, R33, R34, R35, R36, R37, R38 |
| 3 | 4K7 4k7 | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R39, R40, R41 |
| 2 | 82R | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R42, R43 |
| 1 | 2k | R_Axial_Narrow_L6.8mm_D2.4mm_P22.4mm | R44 |
| 1 | 1M | R_Axial_Narrow_L6.8mm_D2.4mm_P9.7mm | R45 |
BMW E30 Late Model SI Board design files
The KiCad project lives in the Ansel84/BMW-E30-Gauge-Cluster-Late-Model repository on GitHub; these links point at the commit this page was built from.
BMW E30 Late Model SI Board: common questions
How big is the BMW E30 Late Model SI Board?
The BMW E30 Late Model SI Board measures 300 × 53 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BMW E30 Late Model SI Board?
117 components, from 68 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the BMW E30 Late Model SI Board design files?
From the Ansel84/BMW-E30-Gauge-Cluster-Late-Model repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the BMW E30 Late Model SI Board design in my own project?
Yes, under the terms of its MIT license, which Ansel84 chose for the repository.
