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BMW 135i Performance Chips, Tunes & Software

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ES#4708348 - 05-455-00075-1KT - Weistec BMW N55 W.1 ECU Tune  - Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - BMW

Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!

Brand:
Weistec - Corporate Logo
ES#:
4708348
Mfg#:
05-455-00075-1KT
Ships in 1 Business Day
$1199.00 USD
This product is lifetime replacement eligible Partial Replacement

***Please see photos and description prior to ordering, all sales final.*** Wirelessly connect your JB4 to your phone! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5529294
Mfg#:
JB4-SPWCK-FSD6
Ships in 1 Business Day
Limited Qty Sale
$158.99

This product was last offered at the strikethrough price on
10-30-2026

$110.99 USD
Free Shipping
on orders $49 and up
ES#3981359 - 77-86311 - SCORCHER BLUE Power Module - Increase performance without sacrificing reliability - AFE - BMW

Increase performance without sacrificing reliability

Brand:
AFE - Corporate Logo
ES#:
3981359
Mfg#:
77-86311
Back Ordered
20% off MSRP

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

$726.99

This product was last offered at the strikethrough price on
11-03-2026

$581.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Chips, Tunes & Software

If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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