BMW Electrical Sensors, Switches, & Relays

New Alternator - 140amp | BMW E36 E34 M50 M52 S50 S52

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T#:25042544

Part#: 12311744567

In Stock

Sale - Save 15% $ 219.99

This product was last offered at the strikethrough price on
05-03-2026

$ 186.99 USD

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$ 219.99

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$ 186.99 USD

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New Alternator - 180 Amp

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T#:26438187

Part#: 12317558220

In Stock

Sale - Save 15% $ 294.99

This product was last offered at the strikethrough price on
06-30-2026

$ 250.74 USD

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$ 294.99

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$ 250.74 USD

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Crankshaft Position Sensor - E36 (OBDI), E34 M50/S50

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T#:579816

Part#: 52380

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Sale - Save 20% $ 48.99

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$ 39.19 USD

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Common cause of misfires, poor fuel economy, or a crank no start situation. If your M50 or S50 has any of these symptoms, this crankshaft position sensor from Bavarian Autosport is a likely fix.

New Alternator - 120A

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T#:25042543

Part#: 12317501690

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Sale - Save 20% $ 211.99

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05-03-2026

$ 169.59 USD

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$ 211.99

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$ 169.59 USD

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Bav Auto Camshaft Position Sensor - BMW E36 E39 Z3 M52 S52

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T#:639841

Part#: 12141703221

In Stock

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05-03-2026

$ 30.39 USD

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Faulty camshaft sensors can lead to a number of issues such as hard starts, stalling at low speeds, and check engine (SES) lights. Restore your BMW's smooth operation and reliability by replacing it with a high-quality camshaft sensor from Bav Auto! From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Alternator - 180amp

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T#:26438185

Part#: 12317837981

In Stock

Sale - Save 15% $ 304.99

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05-03-2026

$ 259.24 USD

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$ 304.99

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$ 259.24 USD

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BMW E6X / E8X / E9X - N52 Replacement Starter Kit

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T#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 5% $ 284.99

This product was last offered at the strikethrough price on
08-14-2026

$ 269.62 USD

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$ 284.99

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$ 269.62 USD

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Is your car having trouble starting? Does your starter click when you turn the key? Sounds like it's time for a new starter motor! Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware.

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Alternator - 120amp

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T#:25042542

Part#: 12317831436

In Stock

Sale - Save 20% $ 222.99

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05-03-2026

$ 178.39 USD

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$ 222.99

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Race German Fuse Replacement Kit

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T#:2602229

Part#: E30FUSEKIT

Ships in 2 Business Days

$ 35.99 USD

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Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. Kit includes A complete set of new OEM fuses Extra fuses Fuse puller

Race German C101 Diagnosis Plug Firewall Bracket - E30

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T#:6827884

Part#: C101-HOLDER

Ships in 9 Business Days

$ 44.99 USD

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$ 44.99 USD

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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. BMW's original C101 bracket which connects to the firewall and holds the diagnosis port unfortunately over time becomes heat soaked and brittle. The OEM bracket, which is no longer available, also features a flawed hinge design that easily wears and breaks. Race German has devised a solution to this issue and developed a new bracket! This heavy duty C101 firewall bracket is completely plug and play. These brackets are CAD designed and feature a two piece design with stainless steel hardware.

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Bosch Starter Motor With Hardware

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T#:56110332

Part#: SR0492NKT4

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$ 273.99

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08-14-2026

$ 261.99 USD

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$ 261.99 USD

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At the core is a brand-new Bosch Starter Motor, engineered to withstand extreme operating conditions while delivering immediate cranking speed. This kit includes also the required Genuine BMW Aluminum Mounting Screw Set.

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Valvetronic Camshaft Adjuster replacement kit

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T#:15677492

Part#: 11127556161-KT

In Stock

Sale - Save 19% $ 220.99

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05-03-2026

$ 179.28 USD

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Valv-tronic adjuster unit, Changes the the timing shaft to adjust the valve timing.

Genuine MINI Relay - White Green

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T#:24376

Part#: 61366977982

Ships in 1-2 days

4% off MSRP $ 23.48

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$ 22.46 USD

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4% off MSRP

$ 23.48

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$ 22.46 USD

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Genuine MINI RELAY FOR FAN

Bav Auto Intake Air Temperature Sensor - BMW E9X M3 S65

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T#:639824

Part#: 13627792203

Ships on Jan 28, 2027

Sale - Save 15% $ 24.99

This product was last offered at the strikethrough price on
10-28-2026

$ 21.24 USD

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$ 24.99

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$ 21.24 USD

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This sensor provides your BMW's control unit with intake temperature readings in order to run optimally in any condition. If this sensor has failed, your BMW may be suffering from more performance loss than you realize. Replace your IAT sensor to ensure proper temperature readings and restore lost performance! From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Camshaft Position Sensor - E38 740i 740iL 750iL

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T#:639840

Part#: 12141742185

Back Ordered

Sale - Save 15% $ 66.99

This product was last offered at the strikethrough price on
05-03-2026

$ 56.94 USD

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Faulty camshaft sensors can lead to a number of issues such as hard starts, stalling at low speeds, and check engine (SES) lights. Restore your BMW's smooth operation and reliability by replacing it with a high-quality camshaft sensor from Bav Auto! From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Genuine MINI Oil Pressure Switch

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T#:476378

Part#: 12617568481

In Stock

21% off MSRP $ 48.74

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$ 38.59 USD

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21% off MSRP

$ 48.74

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$ 38.59 USD

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Eccentric Shaft Sensor Kit

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T#:15677508

Part#: 11127581215-KT

In Stock

Sale - Save 18% $ 270.16

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$ 221.57 USD

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The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Race German Fuse Replacement Kit

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T#:2602224

Part#: E46FUSEKIT

Ships in 2 Business Days

$ 47.99 USD

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Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. Kit includes A complete set of new OEM fuses Extra fuses Fuse puller

Race German Fuse Replacement Kit

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T#:2602226

Part#: E36FUSEKIT

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$ 41.99 USD

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Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. Kit includes A complete set of new OEM fuses Extra fuses Fuse puller

Hitachi Voltage Regulator - BMW E31 E32 E34 E36

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T#:48850064

Part#: 12311747920

Ships in 7 Business Days

$ 37.99 USD

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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.

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Genuine MINI Ping/Knock Sensor

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T#:14760

Part#: 12141487246

In Stock

7% off MSRP $ 71.99

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$ 66.99 USD

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7% off MSRP

$ 71.99

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Genuine MINI PING SENSOR.--

This item fits the following BMWs:
MINI Cooper - Mini Cooper, Mini Cooper Convt, Mini Cooper S, Mini Cooper S Convt

--. Fits BMW Engines including:
W10,W11

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Genuine MINI Relay Black - 5 Post

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T#:144371

Part#: 61361472984

Ships in 1-2 days

2% off MSRP $ 24.65

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$ 24.14 USD

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2% off MSRP

$ 24.65

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$ 24.14 USD

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Genuine MINI RELAY, CHANGE-OVER CONTACT,

Genuine MINI Fuse Box Cover - Panther Black

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T#:103173

Part#: 51437051767

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6% off MSRP $ 123.99

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$ 115.99 USD

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6% off MSRP

$ 123.99

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$ 115.99 USD

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Genuine MINI COVER, LATERAL TRIM PANEL

Genuine MINI Battery Cable Neg -

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T#:39405

Part#: 12427515200

Ships in 5 Business Days

$ 48.99 USD

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Genuine MINI BATTERY CABLE NEGATIVE
Fits BMW Engines including:
W10,W11

Genuine MINI Battery Box Cover

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T#:141367

Part#: 61216924895

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7% off MSRP $ 58.99

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$ 54.99 USD

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$ 58.99

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$ 54.99 USD

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Genuine MINI HEAT RESISTANT BATTERY BOX C

Genuine MINI Battery Cover

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T#:197102

Part#: 51717317737

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6% off MSRP $ 40.00

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$ 37.74 USD

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$ 40.00

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Genuine Bmw Battery Cover

Genuine MINI Ping / Knock Sensor

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T#:410470

Part#: 13627552114

Ships in 1-2 days

8% off MSRP $ 62.99

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$ 57.99 USD

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$ 62.99

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Alternator Pulley - E82 E90 E92 E60

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We Price Match - Give Us A Call or Chat!

T#:19332

Part#: 12317570152

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$ 66.99 USD

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This OEM alternator pulley has a ratcheting mechanism inside that can wear out, causing a rattling sound. This mechanism allows the alternator to freewheel to a degree. This is only for the Valeo brand alternator/

This item fits the following BMWs:
2008+ E82 BMW 128i with N51 engine
2006-2007 E90 BMW 325i 325xi 330i 330xi - Sedan
2006-2007 E90 BMW 328i 328xi - Sedan with N51 engine
2006-2007 E91 BMW 325xi - Wagon
2007-2007 E92 BMW 328i 328xi 328i xDrive - Coupe with N51 engine
2006-2007 E60 BMW 525i 525xi 530i 530xi

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Genuine MINI Battery Box Cover

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T#:24298

Part#: 61216915175

Ships in 1-2 days

7% off MSRP $ 58.99

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$ 54.99 USD

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7% off MSRP

$ 58.99

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$ 54.99 USD

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Genuine MINI HEAT RESISTANT BATTERY BOX C.--

This item fits the following BMWs:
MINI Cooper - Mini Cooper

--.

Genuine MINI Repair Kit for Socket Housing 3 Pol.

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T#:525286

Part#: 61132359997

Ships in 1-2 days

7% off MSRP $ 26.99

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$ 24.99 USD

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$ 26.99

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$ 24.99 USD

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BATTERY COVER

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T#:521992

Part#: 51717290817

Ships in 1-2 days

5% off MSRP $ 54.99

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$ 51.99 USD

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5% off MSRP

$ 54.99

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$ 51.99 USD

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Bav Auto Crankshaft Position Sensor - Multiple BMWs

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T#:639826

Part#: 13627525015

Special Order: No Guaranteed ETA

$ 67.99 USD

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$ 67.99 USD

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This crankshaft position sensor provides the ECU with the engine speed signal. It is mounted in either the engine block or the bell housing of the transmission on most cars. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Voltage Regulator

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T#:596879

Part#: 12321350052

Back Ordered

$ 41.99

This product was last offered at the strikethrough price on
05-07-2026

$ 39.71 USD

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$ 39.71 USD

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If you are having issues with voltage peaking, lights fading in and out as your driving, or your battery keeps dying despite the car running, It could be the result of a faulty voltage regulator. Voltage regulators control the amount of power coming from the alternator.

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Covering Cap

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T#:2750708

Part#: 61132471242

In Stock

6% off MSRP $ 16.99

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$ 15.99 USD

Limited Qty Sale

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Qty

6% off MSRP

$ 16.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 15.99 USD

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Battery Hold Down

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T#:212573

Part#: 61217644251

In Stock

5% off MSRP $ 18.99

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$ 17.99 USD

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5% off MSRP

$ 18.99

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$ 17.99 USD

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Genuine MINI Battery Hold Down - 61217644251

PIN CONTACT MQS WITH CABLE

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T#:3586298

Part#: 61130070562

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$ 5.99 USD

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$ 5.99 USD

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BATTERY COVER

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T#:541111

Part#: 51717290727

In Stock

Sale - Save 60% $ 29.99

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$ 11.95 USD

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Sale - Save 60%

$ 29.99

This product was last offered at the strikethrough price on
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$ 11.95 USD

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Genuine MINI Socket Housing 2 Pins - 12527542850

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T#:40566

Part#: 12527542850

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$ 8.06 USD

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$ 8.06 USD

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Most frequently utilized in the thermostat housing coolant temperature sensor harness. If wire terminals and wire are required, ES2676087 x 2.

Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54

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T#:48850072

Part#: 12147539165

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$ 41.99 USD

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$ 41.99 USD

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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivabilty issues. Uses O-ring # 12 141 748 398 (not included)

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Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

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T#:48815454

Part#: 13627525014

Ships in 7 Business Days

$ 40.00 USD

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$ 40.00 USD

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The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.

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Hitachi Engine Crankshaft Position Sensor - 13627582842 - E9x, F3x, F...

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T#:48850074

Part#: 13627582842

Ships in 7 Business Days

$ 184.99 USD

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$ 184.99 USD

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Engine cranks but doesn't start? This sensor is often the issue.

Hitachi Crankshaft Sensor - 13627806782 - F3x, F22, F23, G30 5 Series...

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T#:48850081

Part#: 13627806782

Ships in 7 Business Days

$ 81.99 USD

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$ 81.99 USD

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Tells the computer whether the timing is correct in the engine.

Hitachi Engine Crankshaft Position Sensor - 13627525015 - E9x, E8x, E...

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T#:48815471

Part#: 13627525015

Ships in 2 Business Days

$ 66.99 USD

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$ 66.99 USD

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The crankshaft position sensor transmits the crankshaft's position to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the crank position sensor.

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Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65,...

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T#:48850055

Part#: 12147518628

Ships in 3 Business Days

$ 71.99 USD

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$ 71.99 USD

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The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance. Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.

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Hitachi Voltage Regulator - 12317550469 - E88 128i

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T#:48815477

Part#: 12317550469

Ships in 7 Business Days

$ 79.99 USD

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$ 79.99 USD

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Supplies power to your car's electronics and recharges the battery.

POSITIVE BATTERY LEA

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T#:530720

Part#: 61129364729

In Stock

6% off MSRP $ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 59.99 USD

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6% off MSRP

$ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 59.99 USD

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Genuine MINI Cover - 12907629991

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T#:40999

Part#: 12907629991

Ships in 8 Business Days

$ 35.99 USD

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$ 35.99 USD

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Genuine MINI COVER
Fits BMW Engines including:
N14,N16,N18

Genuine MINI Fuse Box - 61142755704

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T#:141198

Part#: 61142755704

Ships in 8 Business Days

$ 27.03 USD

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$ 27.03 USD

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Genuine MINI FUSE BOX

Genuine MINI Horn - High Pitch

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T#:143812

Part#: 61332753033

Ships in 1-2 days

7% off MSRP $ 61.23

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 56.82 USD

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7% off MSRP

$ 61.23

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 56.82 USD

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Genuine MINI HORN, HIGH PITCH

Genuine MINI Rain Sensor

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T#:50822168

Part#: 61355B4A6B2

Ships in 1-2 days

7% off MSRP $ 351.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 327.99 USD

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7% off MSRP

$ 351.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 327.99 USD

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Ensure precise automated HVAC and wiper operation with an Original MINI Rain & Light Sensor. Engineed to integrate seamlessly with the windshield optical coupling gel pad, this multi-channel sensor continuously tracks environmental conditions to regulate automatic wiping intervals and headlight triggering. Essential during windshield replacements or when resolving interior climate and wiper automation faults, this OEM unit restores factory sensor accuracy across supported chassis.

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