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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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Denso Alternator
Denso Alternator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Denso - Corporate Logo
T#:384619
Part#: 12317616119
Back Ordered
$ 442.99 USD
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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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Denso - Corporate Logo
T#:40004863
Part#: 12417631559
In Stock at Vendor
$ 461.99

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

$ 446.99 USD
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$ 446.99 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.
High Performance AGM Battery Optima REDTOP - 35
High Performance AGM Battery Optima REDTOP - 35
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Optima - Corporate Logo
T#:26238452
Part#: OPT-35
Ships in 3 Business Days
$ 332.99 USD
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$ 332.99 USD
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Elevate your Mini's performance with the REDTOP High-Performance AGM Battery, the ultimate starting battery designed to ensure a reliable ignition every time. Engineered for strong starting bursts, this battery offers high-power delivery and extreme resistance to common causes of battery failure. Enjoy key benefits including up to 3X longer life, 15 times more vibration resistance, virtually spill-proof design, and mountability in any position. With maintenance-free operation and faster recharging, this battery provides optimal starting power for your Mini.

  • Strongest starting burst for reliable ignition
  • Up to 3X longer life for extended durability
  • 15 times more vibration resistance for enhanced reliability
  • Virtually spill-proof design for peace of mind
  • Mountable in virtually any position for convenience
  • Maintenance-free operation for hassle-free use
  • Faster recharging for minimal downtime
  • Optimal starting power for your Mini

Specs:

  • Weight: 31.7 lbs
  • Reserve Capacity: 44 Ah
  • Post Type: SAE Post
  • CCA: 720 Amp
  • Width: 6.75 in
  • Length: 9.38 in
  • Height: 7.69 in
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Alternator - 210A
Alternator - 210A
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Free Shipping on orders $49 and up
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$ 506.99 USD
Free Shipping on orders $49 and up
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