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Battery & Electrical

BMW battery & electrical systems are crucial for keeping a BMW performing properly, especially after a full track/race build. Whether you're adding a high-performance Optima battery to your BMW, reworking your data or electrical cutoff systems, or if you're in need of our ultimate BMW front windshield defroster kit, we offer the the highest quality battery and electrical parts available. BMW Battery and Electrical Need help finding Battery & Electrical for your BMW? Call us at 877.639.9648, email us, or live chat for expert assistance.

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OPTIMA 35 REDTOP Battery - 31.7 LBS

Save 5-18 lbs with this advanced high-performance AGM battery for your BMW

Price: $209.99

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OPTIMA D35 Style 1 Battery Mount Kit - All E30, E36, E70 X5

Exclusive BimmerWorld aluminum mount for OPTIMA D35 batteries

Price: $79.99

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OPTIMA D35 Style 2 Battery Mount Kit - All E46

Exclusive BimmerWorld aluminum mount for OPTIMA D35 batteries

Price: $99.99

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OPTIMA D35 Style 3 Battery Mount Kit - All E9X, E83 X3, E85/E86 Z4

Exclusive BimmerWorld aluminum mount for OPTIMA D35 batteries

Price: $99.99

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OPTIMA D35 YELLOWTOP Deep-Cycle Battery - 36.4 LBS

Advanced deep-cycle AGM battery, great for BMWs that sit parked long periods or have upgraded stereos

Price: $244.99

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OPTIMA Digital 1200 12V Performance Charger and Maintainer

Enhance the performance and longevity of OPTIMA AGM and traditional batteries 

Price: $199.99

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OPTIMA Digital 400 12V Performance Maintainer and Charger

Maximize the performance and longevity of your OPTIMA AGM and traditional batteries 

Price: $109.99

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Electrical Cutoff Switch

4 pole switch to cut power to alternator and battery on race cars

Price: $44.99

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Electrical Cutoff Solenoid Kit

Heavy-duty and reliable kill switch kit for your race car - includes driver and corner worker switches

Price: $184.99

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BimmerWorld Front Windshield Defroster Kit

The ultimate solution for fog-free windshields, day and night

Price: $99.99

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Racepak SmartWire

The ultimate wiring solution for modern race cars

Price: $1,799.99

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Racepak SmartWire SwitchPanel

Manual switch panel for system controls through a SmartWire system

Price: $299.99

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Racepak SmartWire SwitchModule

Clean up and fully utilize your existing switch panel through the SmartWire system

Price: $299.99

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BMW E46 Battery Cable "T" Bolt

Cost-effective replacement for your broken negative battery terminal bolt - no need to purchase a whole cable!

Price: $5.49

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Switch - 61 31 1 387 916

Replacement window and sunroof switches for E36/Z3 cars

Price: $19.99

83.98
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Electric Window Switch - E36, Z3 (61318365300)

BimmerWorld Retail - $29.99
Price as marked is 40% off!
Offer valid while supplies last, backorders will not be held, all sales final.
Replacement window and sunroof switch.

Price: $17.96

29.99
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Electric Window Switch - E36 Sedan, Cabrio (61 31 1 393 361)

BimmerWorld Retail - $29.99
Price as marked is 50% off!
Offer valid while supplies last, backorders will not be held, all sales final.
Replacement window and sunroof switch.

Price: $14.96

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ESCORT PASSPORT 8500 X50 Radar and Laser Detector - Closeout

BimmerWorld Retail - $300.00
Price as marked is 50% off!
Offer valid while supplies last, backorders will not be held, all sales final.
Best performance for your ticket-preventing dollar - offered in red or blue display

Price: $150.00

300.00
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E9X Carbon Switch Panel - CTSC Race Program

High-gloss carbon switch panel and surround for your electronics/wiring

Price: $649.99

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Lifeline FIA Approved LED Rain Light

Extremely bright FIA approved LED rain light

Price: $148.99

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What customers are saying...

  • I’ve never dealt with a true “race” shop like BW and I really have enjoyed the experience. I always feel like I’m getting the best advice, and suggestions for true race car set up. Your technical expertise on even the minute details of building race cars is really impressive, and some I value greatly...
    - Paul Read More
  • I just can't express enough how impressed I am with you guys. Thanks so much for the great service from start to finish, and always done with a smile and as professional as possible. Our particular interaction has extended over many months and never have I felt that I wasn't getting first-class service...
    - Chris Read More
  • I just wanted to say what positive experiences I've had over the past few weeks. Your BimmerWorld sales staff have gone above and beyond to help me out, between their service and taking the time to answer all my questions, I'll be buying my parts from BimmerWorld whenever possible...
    - Aaron Read More
  • I would like to thank you and the guys for the service - I know I'm not an easy customer. I always have a lot of questions because I want to do it once and do it right (and not regret anything I buy). I have a budget for my build, and you guys get most of it, and from someone who's very conscious about his shopping...
    - Gislain Read More