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BMW Electrical Sensors, Switches, & Relays

Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

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Safety Pressure Switch
Safety Pressure Switch
Santech - Corporate Logo
T#:641428
Part#: 64531386971
Ships in 1 Business Day
$ 41.97

This product was last offered at the strikethrough price on
07-03-2026

$ 38.59 USD
Only available at this price
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$ 38.59 USD
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Is your air conditioning system faulting by turning on and off at random, leaving you sweating in the hot summer days? The pressure switch shuts off the A/C compressor if the refrigerant pressure is too low or too high to protect your A/C system components from damage. If the switch is faulty, the A/C compressor will shut off at random intervals, or not turn on at all, without cooling the interior cabin. If this is the case with your A/C system, replace your pressure switch to restore cool air.
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Denso Alternator
Denso Alternator
Denso - Corporate Logo
T#:384619
Part#: 12317616119
Back Ordered
$ 442.99 USD
Only available at this price
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$ 442.99 USD
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Denso Brand 

When power starts to fade in your BMW, chances are your alternator is losing power. The warning light should illuminate, warning you of such a failure. Replace with a new unit today. Do not get stuck on the side of the road.

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Denso Starter Motor - BMW N55 S55 3.0L
Denso Starter Motor - BMW N55 S55 3.0L
Denso - Corporate Logo
T#:40004863
Part#: 12417631559
Ships in 1 Business Day
$ 461.99

This product was last offered at the strikethrough price on
05-04-2026

$ 390.99 USD
Only available at this price
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$ 390.99 USD
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If your car won't turn over, there is a good chance your starter is shot. Denso's OEM starter is a high quality replacement that will give you peace of mind thanks to its long life-span.
Alternator - 210A
Alternator - 210A
Denso - Corporate Logo
T#:17140151
Part#: 12317616126
Back Ordered
$ 521.99

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

$ 506.99 USD
Only available at this price
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$ 506.99 USD
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