Check availability
Switch Unit Ignition System BOSCH 0 227 100 123
Switch Unit Ignition System BOSCH 0 227 100 123. Fits 74 car models (ALFA ROMEO, BMW, CITROËN +3), 1968–2006. Replaces 49 OE numbers.

Your car
Does this fit your car?
£59.99 Save £21.00 (35%)
- Delivery time is not yet confirmed.
- Delivery £5.99. Free from £50.00.
- 14-day money-back guarantee
- Earn 38 points on this item
Specification. From the manufacturer's data.
- Brand
- BOSCH
- Category
- Switch Unit Ignition System
- MPN
- 0 227 100 123
- SKU
- 0030-0 227 100 123
- GTIN / EAN
- 3165142184593
- What's included
- 1x Switch Unit Ignition System
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- ALFA ROMEO116976507900
- ALFA ROMEO11697650790001
- ALFA ROMEO116976507901
- OPEL12 08 055
- OPEL12 08 248
- BMW12 14 1 266 702
- BMW12 14 1 273 217
- BMW12 14 1 273 298
- BMW12 14 1 274 698
- CHRYSLER12141466333
- VOLVO1298429
- VOLVO1317820
Show all 49 OE numbers
- SEAT3939219
- SEAT3980641
- ZASTAVA46620553
- ZASTAVA46627428
- PEUGEOT5927 89
- CITROËN / PEUGEOT5927 90
- CITROËN / PEUGEOT5945 02
- CITROËN / PEUGEOT5945 03
- CITROËN / PEUGEOT5945 24
- CITROËN / PEUGEOT5945 25
- CITROËN / PEUGEOT / TALBOT5945 31
- CITROËN / PEUGEOT5945 33
- CITROËN / PEUGEOT5945 48
- CITROËN / PEUGEOT5945 60
- ALFA ROMEO705786
- CITROËN / PEUGEOT79 100 351 00
- OPEL / VAUXHALL90295499
- OPEL / VAUXHALL90350589
- OPEL90414405
- CITROËN / PEUGEOT91 504 912
- TALBOT91 504 912 80
- CITROËN / PEUGEOT91 504 944 80
- CITROËN / PEUGEOT91 506 338
- CITROËN / PEUGEOT / TALBOT91 506 338 80
- CITROËN91 532 831
- CITROËN / PEUGEOT97 522 875
- CITROËN / PEUGEOT97 522 875 80
- CITROËN / PEUGEOT97 522 876
- CITROËN / PEUGEOT97 530 125
- CITROËN / PEUGEOT / FIAT97 530 125 80
- CITROËN / PEUGEOT97 532 831
- FIAT9753283180
- CITROËN / PEUGEOT97 533 831
- TALBOTA 506 338 80
- AUSTINBAU 5332
- FIATK9753012580
- FIATK9753283180
Where this part fits
Original-fit position for OE 12141273217. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
1 available · 18 numbers
All 18 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- BorgWarner (BERU) 0 040 401 001
- BOSCH 0 221 600 016
- BOSCH 0 221 600 017
- BOSCH 0 227 100 102
- BOSCH 0 227 100 111
- BOSCH 0 227 100 112
- BOSCH 0 227 100 123
- BOSCH 0 227 100 148
- BOSCH 1 227 010 002
- BOSCH 1 227 010 008
- BOSCH 0227100148FISK
- BREMI 11716
- BREMI 0040401001
- DUCELLIER 245510
- DUCELLIER 521007
- DUCELLIER 521013
- LETRIKA AEV1401
- LETRIKA AEV140112
Compatible cars. ALFA ROMEO, BMW, CITROËN +3, 74 models.
Matched from the manufacturer's data. Production years 1968–2006.
Switch Unit Ignition System for ALFA ROMEOSwitch Unit Ignition System for BMWSwitch Unit Ignition System for CITROËNSwitch Unit Ignition System for FIATSwitch Unit Ignition System for PEUGEOT
| Model | Engines | Years |
|---|---|---|
| ALFA ROMEO12 models | ||
| ALFA ROMEO 33 (905) | 1.3 (905.A1A, 905.A1C, 905.A1D, 905.A1F, 905.A1H), 1.5 (905.A2A), 1.5 (905A1), 1.5 4x4 (905.A2), 1.5 4x4 (905.A2M, 905.A2T), 1.5 QV (905.A2N, 905.A2V), 1.7 (905A2A), 1.7 (905A3), 1.7 QV (905.A3) | 1983–1993 |
| ALFA ROMEO 33 Sportwagon (905) | 1.5 4x4 (905.A2U), 1.7 (905B3C) | 1984–1989 |
| ALFA ROMEO 75 (162) | 2.5 V6 (162.B3), 3.0 V6 Cat (162.B6A) | 1985–1992 |
| ALFA ROMEO 90 (162) | 2.5 i.e. V6 (162.A, 162.AA), 2.5 i.e. V6 (162A) | 1984–1987 |
| ALFA ROMEO ALFASUD (901) | 1.3 ti (901.G4), 1.5 ti (901.F1, 901.F4, 901.G1), 1.5 ti (901G5A, 901F4D) | 1972–1985 |
| ALFA ROMEO ALFASUD Sprint (902) | 1.5 (902.A1), 1.5 (902.A5), 1.5 (902A5C, 902A5B) | 1976–1989 |
ALFA ROMEO6 more models
| Model | Engines | Years |
|---|---|---|
| ALFA ROMEO ALFETTA (116) | 1.8 (116.B2), 2.0 (116.55F, 116.56F, 116.55N, 116.56N) | 1974–1984 |
| ALFA ROMEO ALFETTA GT (116) | 2.0 (11636, 11610) | 1974–1986 |
| ALFA ROMEO ARNA (920) | 1.3 TI (920.A1B) | 1983–1986 |
| ALFA ROMEO GIULIETTA (116) | 1.6 (116.50B), 1.8 (116.AA, 116.AB), 1.8 (116AA, 116AB), 2.0 (116.A1A) | 1977–1985 |
| ALFA ROMEO GTV (116) | 2.0 (11636) | 1978–1987 |
| ALFA ROMEO SPIDER (115) | 2000 (11538, 115661), 2000 (11538, 115A1) | 1971–1993 |
BMW6 models
| Model | Engines | Years |
|---|---|---|
| BMW 3 (E21) | 315, 316, 318 i, 320/6, 323 i | 1975–1984 |
| BMW 3 (E30) | 316, 318 i, 320 i, 323 i | 1982–1992 |
| BMW 5 (E12) | 518, 518 i | 1972–1981 |
| BMW 5 (E28) | 518, 518 i, 520 i, 525 i, 528 i | 1981–1987 |
| BMW 6 (E24) | 628 CSi | 1975–1989 |
| BMW 7 (E23) | 728 i | 1977–1988 |
CITROËN18 models
| Model | Engines | Years |
|---|---|---|
| CITROËN AXEL | 11 | 1981–1991 |
| CITROËN BX (XB-) | 1.6, 1.9, 1.9 GTi, 11, 14, 14 E, 15, 16, 16 (XB180Z), 19, 19 E 4x4, 19 GTi, 19 GTi 16V, 19 GTi 4x4 | 1982–1994 |
| CITROËN BX Break (XB-) | 1.4, 1.6, 14, 15, 16, 16 (XB180Z), 19, 19 Cat | 1983–1994 |
| CITROËN BX Van (XB-) | 1.4 | 1982–1992 |
| CITROËN C15 Box Body/MPV (VD) | 1.0, 1.1, 1.3, 1.4 E | 1984–2006 |
| CITROËN C15 Estate | 1.4 | 1987–2000 |
| CITROËN C25 Bus (280, 290) | 1.8, 1.8 E, 2.0 E | 1981–1994 |
| CITROËN C25 Platform/Chassis (280, 290) | 1.8 E, 2.0 | 1981–1994 |
| CITROËN C25 Van (280, 290) | 1.8, 2.0, 2.0 E | 1981–1994 |
| CITROËN CX II | 20 RE | 1985–1992 |
| CITROËN CX II Break | 20 | 1985–1992 |
| CITROËN GS | A 1.3 | 1970–1986 |
| CITROËN GS Break | A 1.3 | 1971–1986 |
| CITROËN LNA | 1.0, 1.1 | 1976–1986 |
| CITROËN VISA | 11 E, 14, 14 GT, 16 GTI | 1978–1991 |
| CITROËN VISA Convertible | 11 RE | 1983–1988 |
| CITROËN XM (Y3) | 2.0 i | 1989–1994 |
| CITROËN ZX (N2) | 1.9 i | 1991–1999 |
FIAT6 models
| Model | Engines | Years |
|---|---|---|
| FIAT DUCATO Panorama (280) | 1.8, 2.0 | 1982–1990 |
| FIAT DUCATO Panorama (290) | 2.0, 2.0 4x4 | 1990–1994 |
| FIAT DUCATO Platform/Chassis (280) | 2.0 | 1982–1990 |
| FIAT DUCATO Platform/Chassis (290) | 2.0, 2.0 4x4 | 1989–1994 |
| FIAT DUCATO Van (280) | 1.8, 2.0 | 1982–1991 |
| FIAT DUCATO Van (290) | 2.0 | 1989–1994 |
PEUGEOT30 models
| Model | Engines | Years |
|---|---|---|
| PEUGEOT 104 | 1.1, 1.2, 1.4 | 1972–1988 |
| PEUGEOT 104 Coupe | 1.1, 1.4 | 1973–1988 |
| PEUGEOT 205 Hatchback Van | 1.1, 1.4 | 1983–1990 |
| PEUGEOT 205 I (741A/C) | 1.0, 1.1, 1.3, 1.4, 1.5, 1.6, 1.6 GTI, 1.9 GTI | 1983–1987 |
| PEUGEOT 205 I Convertible (741B, 20D) | 1.4 CJ, 1.4 CT, 1.6, 1.6 CJ, 1.6 CTI, 1.9 CTi, 1.9 CTI | 1986–1995 |
| PEUGEOT 205 II (20A/C) | 1.0, 1.1, 1.1 XA, 1.3, 1.4, 1.6, 1.6 Aut., 1.6 GTI, 1.6 GTX, 1.9, 1.9 GTI, 1.9 GTI Cat | 1987–2000 |
| PEUGEOT 305 Estate Van (581S) | 1.5, 1.6 | 1982–1988 |
| PEUGEOT 305 I (581A) | 1.3, 1.5 | 1977–1982 |
| PEUGEOT 305 I Break (581D) | 1.3, 1.5 | 1977–1982 |
| PEUGEOT 305 II (581M) | 1.1, 1.3, 1.5, 1.6, 1.9 | 1982–1990 |
| PEUGEOT 305 II Break (581E) | 1.3, 1.5, 1.6, 1.9 | 1982–1990 |
| PEUGEOT 309 Hatchback Van (10S, 3S) | 1.1, 1.3 | 1985–1993 |
| PEUGEOT 309 I (10C, 10A) | 1.1, 1.3, 1.3 XL, 1.4, 1.5, 1.6, 1.6 Cat, 1.9 | 1985–1989 |
| PEUGEOT 309 II (3C, 3A) | 1.6 GTi, 1.9, 1.9 GTI, 1.9 GTI 16V | 1989–1993 |
| PEUGEOT 405 I (15B) | 1.9, 1.9 (15BDFV), 1.9 4x4, 1.9 Injection, 1.9 Injection 4x4, 1.9 Sport MI-16, 1.9 SPort MI-16 4x4 | 1987–1993 |
| PEUGEOT 405 I Break (15E) | 1.9, 1.9 4x4, 1.9 All-wheel Drive | 1987–1992 |
| PEUGEOT 504 (A, M) | 2.0 (A11, A13, MY1, MY3) | 1968–1986 |
| PEUGEOT 504 Break (D, F) | 2.0, 2.0 (D11, F11) | 1971–1986 |
| PEUGEOT 505 (551A) | 1.8, 2.0, 2.0 GTi, 2.0 TI, STI, 2.2, 2.2 GTI, 2.2 Turbo, 2.2 Turbo Injection | 1979–1996 |
| PEUGEOT 505 Break (551D) | 1.8, 2.0, 2.2, 2.2 GTI, 2.2 Ti | 1982–1995 |
| PEUGEOT 605 (6B) | 2.0 | 1989–1999 |
| PEUGEOT J5 Bus (280P) | 2.0, 2.0 Super 4x4 | 1981–1990 |
| PEUGEOT J5 Bus (290P) | 2.0 | 1990–1994 |
| PEUGEOT J5 Platform/Chassis (280L) | 1.8, 2.0 | 1981–1990 |
| PEUGEOT J5 Platform/Chassis (290L) | 2.0 | 1990–1994 |
| PEUGEOT J5 Van (280L) | 1.8, 2.0 | 1981–1990 |
| PEUGEOT J5 Van (290L) | 1.8, 2.0 | 1990–1994 |
| PEUGEOT J9 Bus | 2.0 | 1980–1987 |
| PEUGEOT J9 Platform/Chassis | 2.0 | 1980–1987 |
| PEUGEOT J9 Van | 1.6, 2.0 | 1980–1987 |
TALBOT2 models
| Model | Engines | Years |
|---|---|---|
| TALBOT SAMBA | 0.9 (51A601, 51A591), 1.1 (51A611, 51A702), 1.2 Rallye (51A692), 1.4 (51A632), 1.4 Rallye (51A642) | 1981–1987 |
| TALBOT SAMBA Convertible | 1.4 (51E642) | 1981–1987 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
BOSCH
Related categories
All Switch Unit Ignition SystemALFA ROMEOBMWCITROËNFIATPEUGEOT
Delivery and returns. No small print.
£5.99
Standard delivery
Delivery estimates depend on current stock availability.
£50.00
Free delivery
Orders from £50.00
14 days
Returns
Money back if the part does not fit.
- Visa
- Mastercard
- PayPal
- Apple Pay
- Google Pay
- Klarna
Secure payments
Encrypted checkout
2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10