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Mercedes-Benz M113K Engine Gasket Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:42705826
Part#: 01-113-00523-6
Ships in 1 Business Day
$ 679.00 USD
Free Shipping on orders $49 and up
Weistec Mercedes-Benz 9 Speed Transmission Tune - 9G 925.9
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:26005188
Part#: 05-725-00162-8
Ships in 1 Business Day
$ 1,827.99 USD
Free Shipping on orders $49 and up
Weistec BMW S63TU W.1 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690713
Part#: 05-563-00069-4KT
Ships on Jul 21, 2026
$ 1,599.00 USD
Free Shipping on orders $49 and up
Increase of +95 Horsepower, and +188 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!

Weistec BMW S63TU W.2 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690714
Part#: 05-563-00070-6KT
Ships on Jul 21, 2026
$ 1,799.00 USD
Free Shipping on orders $49 and up
Increase of +126 Horsepower, and +246 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!

Weistec BMW N62 4.0L W.1 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:22822568
Part#: 05-462-00223-4KT
In Stock at Vendor
$ 1,199.00 USD
Free Shipping
$ 1,199.00 USD
Free Shipping
Increase of +33 Horsepower, and +22 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Weistec BMW N53 W.2 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:22822564
Part#: 05-453-00222-3KT
In Stock at Vendor
$ 1,099.00 USD
Free Shipping
$ 1,099.00 USD
Free Shipping
Increase of +50 Horsepower, and +48 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!

Mercedes-Benz M176/M177/M178 Heat Shield - Stainless Steel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:27372130
Part#: 01-177-02278-5
Ships in 1 Business Day
$ 220.00 USD
Free Shipping on orders $49 and up
Weistec BMW N55 W.2 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690712
Part#: 05-455-00076-2KT
Ships on Jul 21, 2026
$ 1,299.00 USD
Free Shipping on orders $49 and up
Increase of +96 Horsepower, and +94 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!

Weistec BMW N62 4.0L W.2 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:22822569
Part#: 05-462-00224-5KT
In Stock at Vendor
$ 1,299.00 USD
Free Shipping
$ 1,299.00 USD
Free Shipping
Increase of +43 Horsepower, and +37 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!

Weistec BMW N53 W.1 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:22822563
Part#: 05-453-00221-2KT
In Stock at Vendor
$ 999.00 USD
Free Shipping
$ 999.00 USD
Free Shipping
Increase of +19 Horsepower, and +19 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Weistec Mercedes-Bens M113 M113K 55 AMG Head Studs Set Of 20 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:42705808
Part#: 01-113-00791-3
Ships in 1 Business Day
$ 799.00 USD
Free Shipping on orders $49 and up
Weistec BMW S55 W.2 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690715
Part#: 05-555-00068-4KT
Ships on Jul 21, 2026
$ 1,799.00 USD
Free Shipping on orders $49 and up
Increase of +170 Horsepower, and +294 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!


Weistec BMW N55 W.1 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690711
Part#: 05-455-00075-1KT
Ships on Jul 21, 2026
$ 1,199.00 USD
Free Shipping on orders $49 and up
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 US License Plate Frame
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Weistec - Corporate Logo
T#:21374160
Part#: 08-000-00004-2
Ships in 1 Business Day
$ 35.00 USD
Free Shipping on orders $49 and up
Weistec BMW S55 W.1 ECU Tune
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.
Weistec - Corporate Logo
T#:22690716
Part#: 05-555-00067-3KT
EO#: D-691-4
Ships on Jul 21, 2026
$ 1,599.00 USD
Free Shipping on orders $49 and up
Increase of +121 Horsepower, and +269 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!