Increase of +63 Horsepower, and +165 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Brand:
ES#:
4733137
Mfg#:
05-029-00203-1KT
$1699.00 USD
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Lifetime Replacement
Keep your engine running smooth
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4846295
Mfg#:
06L905110K
$74.99
This product was last offered at the strikethrough price on 04-10-2026
$63.99 USD
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Keep your engine running smooth
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4759140
Mfg#:
9A7905110
$41.99
This product was last offered at the strikethrough price on 04-10-2026
$35.99 USD
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on orders $49 and up
Keep your engine running smooth
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4759139
Mfg#:
9A7905110
$65.99
This product was last offered at the strikethrough price on 02-22-2026
$48.99 USD
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Auxiliary Coolant Pump - Water Pump (Electric)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4726928
Mfg#:
9A7121601
$119.87
This product was last offered at the strikethrough price on 12-31-2025
$112.16 USD
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Lifetime Replacement
does not include filter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456451
Mfg#:
0PB115403
$35.99 USD
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Lifetime Replacement
Keeps the engine running cool, Includes new seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5374649
Mfg#:
PAB121115B
$60.99
This product was last offered at the strikethrough price on 05-07-2026
$58.99 USD
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Turbocharger Boost Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3532157
Mfg#:
PAC906051
$178.99 USD
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Lifetime Replacement
Fix your leaking Oil filter housing with a new seal! Made In Germany!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4402766
Mfg#:
PAB115441
$47.99 USD
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on orders $49 and up
Lifetime Replacement
Keep your engine running strong
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4940000
Mfg#:
9A790560150KT
$293.99 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement
Keep your engine running strong
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3349277
Mfg#:
9A790560150
$48.99 USD
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Lifetime Replacement
Used for proper sealing of downpipe connection
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4402839
Mfg#:
PAB253115A
$30.99 USD
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Lifetime Replacement
does not include hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4897080
Mfg#:
PAB121031
$129.99 USD
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Lifetime Replacement
Replace plugged injectors and restore performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Up to production date 11/4/2018
Brand:
ES#:
3696790
Mfg#:
PAC906036F
$285.99 USD
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Lifetime Replacement
This tube is for the return side mounted to the left side of the radiator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
1846997
Mfg#:
97010623101
$156.99 USD
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on orders $49 and up
Lifetime Replacement
Includes Gasket (4-bolt Pulley Flange)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3348037
Mfg#:
9A712101304
$447.99 USD
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Lifetime Replacement
More About Engine Parts & Accessories
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.