Transform the entire aesthetic of your 1 series with a simple yet effective diffuser upgrade!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4708725
Mfg#:
040790LA01-02
In Stock
ON SALE!
SAVE 37%
$397.99
This product was last offered at the strikethrough price on 05-02-2026
Complete transformation for your 1 series. Direct bolt on muffler delete for a rowdy sound and a new and improved aggressive diffuser to compliment the exhaust.
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4876665
Mfg#:
039172EBKT
In Stock
ON SALE!
SAVE 37%
$947.97
This product was last offered at the strikethrough price on 05-05-2026
Transform the entire aesthetic of your 1 series with a simple yet effective diffuser upgrade!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4708723
Mfg#:
040790LA01-01
In Stock
ON SALE!
SAVE 20%
$405.99
This product was last offered at the strikethrough price on 06-13-2026
Lightweight cat-back featuring an exotic exhaust note AND an upgraded M-Sport Rear Diffuser. Transform the entire aesthetic and sound of your 1 series with this ECS upgrade package!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Individualize your BMW's looks with this carbon fiber rear diffuser
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with M Sport package
Brand:
ES#:
3175905
Mfg#:
3108-18221
In Stock
Limited Qty Sale
$1695.00
This product was last offered at the strikethrough price on 05-02-2026
Lightweight cat-back featuring an exotic exhaust note AND an upgraded M-Sport Rear Diffuser. Transform the entire aesthetic and sound of your 1 series with this ECS upgrade package!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4876427
Mfg#:
019281LAEBKT
In Stock
ON SALE!
SAVE 22%
$1597.97
This product was last offered at the strikethrough price on 05-05-2026
Individualize your BMW's looks with this carbon fiber rear diffuser
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with M Sport package
Lifetime Replacement
